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<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>Corwyn / Topher Belknap and Nick Pine
responded to my message describing using heat in summer to dry out my
house.</FONT></FONT></SPAN></B></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
color=#984806 face="Courier New"></FONT></SPAN></B> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>Beyond my experience, what strategies do
others use other than refrigerant driven dehumidification for restraining
humidity in house when ambient humidity is high. Assume reasonable control of
humidity at source such as ventilation at baths and kitchens.<SPAN
style="mso-spacerun: yes"> </SPAN>If all living in humid and mixed humid
climates must have refrigerant driven dehumidification to maintain healthy
conditions, we are doomed. Often old equipment stops working after refrigerant
leaks into atmosphere.<SPAN style="mso-spacerun: yes"> </SPAN><SPAN
style="mso-spacerun: yes"> </SPAN></FONT></FONT></SPAN></B></P>
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style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
color=#984806 face="Courier New"></FONT></SPAN></B> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
color=#984806 face="Courier New"></FONT></SPAN></B> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
color=#984806 face="Courier New"></FONT></SPAN></B> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>Corwyn / Topher Belknap wrote in response
to my original message show in italics.<SPAN style="mso-spacerun: yes">
</SPAN>My fresh comment shown in brown.<SPAN style="mso-spacerun: yes">
</SPAN></FONT></FONT></SPAN></B></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> I got the house to 104F.I found that the absolute
humidity went way up </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> over what would be expected if no moisture was added
to the air.This </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> was the moisture being evaporated from house contents
inside thermal </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> envelope.</I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">Right.</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> Since the house was closed up, I would assume minimal
infiltration.</I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">Ha.<SPAN style="mso-spacerun: yes"> </SPAN>Good luck
with that.<SPAN style="mso-spacerun: yes"> </SPAN>Did the pressure in the
house go up with that </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">temperature increase?<SPAN style="mso-spacerun: yes">
</SPAN>No?<SPAN style="mso-spacerun: yes"> </SPAN>Then the house has
leaks.<SPAN style="mso-spacerun: yes"> </SPAN>Even the best
</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">sealed houses would exchange 1/2 their volume of air over an
afternoon.</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>I am sure that I still have leaks in the
house.<SPAN style="mso-spacerun: yes"> </SPAN>Though closing the house up
and turning off HRV reduced the infiltration over open and on HRV.
</FONT></FONT></SPAN></B></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> I would propose that intermittently heating a house
that has humidity </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> build up is a way to manage the humidity.The mold is
dried and must </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> start all over. Yes, control humidity at the source
where </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> possible.However, when the ambient conditions are
humid that strategy </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> is incomplete.</I></FONT></SPAN></P>
<P class=MsoNormal
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style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> </I></FONT></SPAN></P>
<P class=MsoNormal
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style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">The problem with this is that most things which retain
moisture, </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">exchange it fairly slowly in response to changing conditions
(as you </FONT></SPAN></P>
<P class=MsoNormal
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style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">observed).<SPAN style="mso-spacerun: yes"> </SPAN>I
wouldn't expect a change made over the course of a day to </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">last more than a day when conditions are returned to what
they were.<SPAN style="mso-spacerun: yes"> </SPAN>It </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">might be useful if you had a sudden influx of moisture, or if
it was </FONT></SPAN></P>
<P class=MsoNormal
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style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">done at one of the transition points into a drying regime (to
speed up </FONT></SPAN></P>
<P class=MsoNormal
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style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">change that was going to happen anyway).</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>How long the increased dryness would last
would be proportional to how much moisture was removed. Hot air sure works in
clothes dryers.<SPAN style="mso-spacerun: yes">
</SPAN></FONT></FONT></SPAN></B></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> This heating is a is appropriate where the house has
low mass, </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> allowing the temperature to be easily raised and
returned to normal.I </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> would also propose that we take steps to build up the
desiccant </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> capacity of the house such that fewer cycles such as
this would be needed.</I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> </I></FONT></SPAN></P>
<P class=MsoNormal
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style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">The higher the desiccant capacity, the less well this is
going to work.</FONT></SPAN></P>
<P class=MsoNormal
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style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>This summer I did experiment with using
bentonite clay (desiccant) with the aspiration to dehumidify the house non
mechanically.<SPAN style="mso-spacerun: yes"> </SPAN>My experience
validates your statement.<SPAN style="mso-spacerun: yes"> </SPAN>The rate
of adsorption of humidity was way too slow to cycle on a daily basis.<SPAN
style="mso-spacerun: yes"> </SPAN>However, I did achieve the ability to
dry out the clay by setting it in a solar cooker (car parked in the sun) in a
short time. Hot air evaporates liquids.<SPAN style="mso-spacerun: yes">
</SPAN><SPAN
style="mso-spacerun: yes"> </SPAN></FONT></FONT></SPAN></B></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> Because we are taking away the humidity in the humid
seasons, it may </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> result in the house being dryer in the early heating
season.A strategy </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> of humidification might be considered.I am aware that
there is risk if </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> air is flowing through the thermal envelope and
cooling to dew point </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> as a result of higher indoor humidity.However, if a
well designed and </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> built thermal envelope with a thick layer of foam
that is high enough </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> proportion of the total R value such that humidified
air that would </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> penetrate to the warm side will be above dew point in
the expected </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> coldest conditions, this could
work.</I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">Maybe.<SPAN style="mso-spacerun: yes"> </SPAN>On a day
like you were discussing, 80's and high humidity </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">outside, the dew point is going to be in the high 70s,<SPAN
style="mso-spacerun: yes"> </SPAN>With a </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">temperature inside of 104 and evaporating moisture that would
otherwise </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">have been accumulating, the dew point of any intra-wall
surface is </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">ALREADY going to be below the dewpoint, no cold conditions
required.<SPAN style="mso-spacerun: yes"> </SPAN></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">Nor is that surface going to have had time to adjust to the
suddenly </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">increased temperature.<SPAN style="mso-spacerun: yes">
</SPAN>In other words, you might potentially be driving </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">moisture into the walls from both inside AND outside.<SPAN
style="mso-spacerun: yes"> </SPAN>Not good.</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>This statement I do not understand.<SPAN
style="mso-spacerun: yes"> </SPAN>My understanding is that humid air is
drawn to dry air or rather air with low relative humidity.<SPAN
style="mso-spacerun: yes"> </SPAN>How can low RH air push moisture in the
other direction? Is that what creates vapor
pressure?</FONT></FONT></SPAN></B></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> With those risk managed, humidification is much lower
energy </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> consumption and environmental risk than the
refrigerant driven </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> dehumidification.</I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">Got numbers for that?<SPAN style="mso-spacerun: yes">
</SPAN>Do you not have any cheap sources of cold?</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>Do you mean refrigerant driven
dehumidification?<SPAN style="mso-spacerun: yes"> </SPAN>What other
controlable sources of cold are there?<SPAN style="mso-spacerun: yes">
</SPAN>Air conditioners and dehumidifiers rely on cooling air to dew point and
then reheating to achieve lower RH.<SPAN style="mso-spacerun: yes">
</SPAN>With AC the ambient conditions reheat.<SPAN
style="mso-spacerun: yes"> </SPAN>Straight dehumidifier uses another
energy source to produce heat to lower Rh.<SPAN style="mso-spacerun: yes">
</SPAN></FONT></FONT></SPAN></B></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> Perhaps leaving the windows open during the day and
not pulling cold </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> moist air into the house at night is another way to
reduce humidity </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> risk.Though the absolute humidity would be about the
same, the higher </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> relative humidity resulting from the higher
temperature would be less </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> vulnerable to humidity problems.Although, I contend
it is less </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> comfortable.</I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">><I> </I></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">If you assume a set temperature inside, you are better off
letting in </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">night air than day air (at least in my climate).<SPAN
style="mso-spacerun: yes"> </SPAN>Check out a weather </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">graph which shows temperature and dew point (I use
weatherspark).<SPAN style="mso-spacerun: yes"> </SPAN>You
</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">may see that a warm day in a shoulder season starts with the
temperature </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">at the dewpoint, and as the day warms the temperature rises
</FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">significantly, and the dewpoint follows it but at a much
lesser </FONT></SPAN></P>
<P class=MsoNormal
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style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">magnitude.<SPAN style="mso-spacerun: yes"> </SPAN>So
the time of lowest *absolute* humidity is at night.<SPAN
style="mso-spacerun: yes"> </SPAN></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">Pulling in colder, less absolute humidity air in at night is
better than </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">pulling in warmer, higher absolute humidity air in the day,
particularly </FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New">if that air is warmer than the inside.</FONT></SPAN></P>
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style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
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style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
style="FONT-FAMILY: ; mso-fareast-font-family: 'Times New Roman'"><FONT
face="Courier New"></FONT></SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>My observation using RH and Temp to
determine absolute humidity from Psychrometric chart showed that on fair weather
days, the absolute humidity stays about the same inside, but RH fluctuates with
temperature.<SPAN style="mso-spacerun: yes"> </SPAN>On rainy days moisture
is delivered by weather.<SPAN style="mso-spacerun: yes"> </SPAN>On those
high RH rainy days of mid 70'sF, ventilation alone is not effective at reducing
humidity.<SPAN style="mso-spacerun: yes">
</SPAN></FONT></FONT></SPAN></B></P>
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style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
color=#984806 face="Courier New"></FONT></SPAN></B> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>I checked out weatherspark.<SPAN
style="mso-spacerun: yes"> </SPAN>This looks like a great source of
information.<SPAN style="mso-spacerun: yes"> </SPAN>I specified a graph
that that tracks temp and RH on an hourly basis.<SPAN
style="mso-spacerun: yes"> </SPAN></FONT></FONT></SPAN></B></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>July 15, Roanoke, VA illustrates my
point. </FONT></FONT></SPAN></B></P>
<P class=MsoNormal
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style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>5am 72F-96%RH, DP 71F, Humidity Ratio
.0164#humid air/#dry air</FONT></FONT></SPAN></B></P>
<P class=MsoNormal
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style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>4pm 90F-44%RH, DP 65F, HR
.0133#ha/#da</FONT></FONT></SPAN></B></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>The absolute humidity is higher for
minimum temp.<SPAN style="mso-spacerun: yes">
</SPAN></FONT></FONT></SPAN></B></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>In this case, I am comparing outdoor
minimum temp with outdoor maximum temp.<SPAN style="mso-spacerun: yes">
</SPAN>However, I was observing indoor minimum temp which is higher than outdoor
min and max RH inside, which though high is still lower than outdoors. Indoor
absolute humidity compares to absolute humidity at peak outdoor temp.
</FONT></FONT></SPAN></B></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
color=#984806 face="Courier New"></FONT></SPAN></B> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
face="Courier New"><FONT color=#984806>Looking at these fair weather days, the
shape of temperature graph and RH graph are mirror images of each other.<SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
style="mso-spacerun: yes"> </SPAN></FONT></FONT></SPAN></B></P>
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style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
color=#984806 face="Courier New"></FONT></SPAN></B> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt; LINE-HEIGHT: normal; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><B
style="mso-bidi-font-weight: normal"><SPAN
style="FONT-FAMILY: ; COLOR: ; mso-fareast-font-family: 'Times New Roman'; mso-themecolor: accent6; mso-themeshade: 128"><FONT
color=#984806 face="Courier New"></FONT></SPAN></B> </P><PRE style="MARGIN: 0in 0in 0pt"><B style="mso-bidi-font-weight: normal"><SPAN style="COLOR: ; mso-themecolor: accent6; mso-themeshade: 128"><FONT face="Courier New"><FONT color=#984806>Nick Pine writes:<I></I></FONT></FONT></SPAN></B></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"> </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">IIRC, concrete absorbs about 1% of its weight in water as the RH of the </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">surrounding air rises from 40 to 60%, and unpainted wood and paper and </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">fabrics absorb more... </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><A href="http://www.conservationphysics.org/isothrm/isothrm.php"><FONT color=#0000ff face="Courier New">http://www.conservationphysics.org/isothrm/isothrm.php</FONT></A></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"> </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><B style="mso-bidi-font-weight: normal"><SPAN style="COLOR: ; mso-themecolor: accent6; mso-themeshade: 128"><FONT face="Courier New"><FONT color=#984806>I will be studying this diagram.</FONT></FONT></SPAN></B></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"> </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"> </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">You can also estimate the absolute humidity with a Clausius-Clapeyron </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">approximation: vapor pressure Pa = RH/100e^(17./863-9621/(T+460)) "Hg, with </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">RH in % and T in degrees F, and humidity ratio w = 0.62198/(29.921/Pa-1) </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">pounds of water per pound of dry air. For example, 70 F air at 50% RH has Ph </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">= 0.374 "Hg and wh = 0.00788 pounds of water per pound of dry air... 50 F </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">air at 60% RH has Po = 0.220 "Hg and wo = 0.00461 pounds of water per pound </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">of dry air. Air weighs about 0.075 lb/ft^3, so replacing 2000 cfm 70 F house </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">air at 50% RH with 50 F outdoor air at 60% removes 2000x60m/hx0.075(wh-wo) = </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">29 pounds per hour (vs 29 pints per day with a compressor) of water vapor.</FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"> </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"><B style="mso-bidi-font-weight: normal"><SPAN style="COLOR: ; mso-themecolor: accent6; mso-themeshade: 128"><FONT color=#984806>This is an option, only when outside air is 50F and 60%RH. When does that occur in mixed humid climate?</FONT></SPAN></B> W </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"> </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">><I>This also gives dew point.<SPAN style="mso-spacerun: yes"> </SPAN>Absolute humidity and dew point are directly </I></FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">><I>proportional.<SPAN style="mso-spacerun: yes"> </SPAN>I observed that on a hot fair weather day (no </I></FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">><I>precipitation), the absolute humidity was the same inside and out.<SPAN style="mso-spacerun: yes"> </SPAN>If </I></FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">><I>inside was 75F-80%RH and outside 95F-45%RH, the absolute humidity and dew </I></FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">><I>point were approximately the same.<SPAN style="mso-spacerun: yes"> </SPAN>Although the hotter air would be more </I></FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">><I>affective at drying and avoiding humidity problems.</I></FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"> </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">I believe that Smart Vents do this sort of calculation... </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><A href="http://www.smartvent.net/"><FONT color=#0000ff face="Courier New">http://www.smartvent.net/</FONT></A></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"> </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"> </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"> </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"> </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">><I>I found that the absolute humidity went way up over what would be expected </I></FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">><I>if no moisture was added to the air.<SPAN style="mso-spacerun: yes"> </SPAN>This was the moisture being </I></FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">><I>evaporated from house contents inside thermal envelope.<SPAN style="mso-spacerun: yes"> </SPAN>Since the house </I></FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">><I>was closed up, I would assume minimal infiltration.<SPAN style="mso-spacerun: yes"> </SPAN>After a few hours of </I></FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">><I>this, I opened up the house to vent out the heat and moisture.<SPAN style="mso-spacerun: yes"> </SPAN>Returning </I></FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">><I>to night flushing I was able to return house to low 70s and 10% lower RH by </I></FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">><I>morning.<SPAN style="mso-spacerun: yes"> </SPAN>This returned my house to an earlier time in the humid season.</I></FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"> </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">"Smart ventilation" might do this more often with less energy, in times of </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New">low outdoor absolute humidity.</FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><FONT face="Courier New"> </FONT></PRE><PRE style="MARGIN: 0in 0in 0pt"><B style="mso-bidi-font-weight: normal"><SPAN style="COLOR: ; mso-themecolor: accent6; mso-themeshade: 128"><FONT face="Courier New"><FONT color=#984806>How do you respond to high RH ambient conditions?<SPAN style="mso-spacerun: yes"> </SPAN>This product is marketed for ventilated crawls spaces, I presume.<SPAN style="mso-spacerun: yes"> </SPAN>As unoccupied, comfort is not a consideration. I suppose if you could easily identify the dry ambient conditions that would dry the house, this would be an alternative to heating the house. However, this would mean ventilating the house when air is low RH. This is usually when the air is hot.<SPAN style="mso-spacerun: yes"> </SPAN></FONT></FONT></SPAN></B></PRE>
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