<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi, Reuben and Gennaro--<div><br></div><div>Your conversation points up the need for some practical yardsticks that we can use to compare houses.</div><div><br></div><div>I've used annual energy per square foot and annual energy per occupant, because they are easy to calculate and for people to understand, though they have the same flaws John already pointed out.</div><div><br></div><div>Any better ideas?</div><div><br></div><div>Best,</div><div><br></div><div>Mike </div><div><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div>Michael O'Brien</div><div><a href="mailto:obrien@hevanet.com">obrien@hevanet.com</a></div><div><br></div></span><br class="Apple-interchange-newline">
</div>
<br><div><div>On Nov 17, 2011, at 2:17 PM, John Straube wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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<font face="Helvetica, Arial, sans-serif">You must have something
weird going on Gennaro.<br>
A one inch hole in the air barrier overwhelmed the minisplits? I
doubt that unless the air ea passing through the one inch hole was
moving at supersonic speeds or the minisplits had a capacity of a
few hundred BTU/hour.<br>
<br>
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On 11-11-17 4:07 PM, Gennaro Brooks-Church - Eco Brooklyn wrote:
<blockquote cite="mid:CAPV9BxOLaRhMVjLByDa9AmH72pcCwwQvDxSPmkZDc6b6iBPfOw@mail.gmail.com" type="cite">
<pre wrap="">Here is a myth I believed was true:
Insulation is the biggest key to energy efficiency.
After building a Passive House in NY I learned it only needed
insulation to code - R18. What made it or broke it was how well the
6mil plastic air barrier was sealed. Just a one inch hole in the
plastic rendered the house unable to heat with the tiny mini-splits.
Seal the hole and you can heat the house with a hair drier.
That was a pretty crazy realization.
Gennaro Brooks-Church
Director, Eco Brooklyn Inc.
Cell: 1 347 244 3016 USA
<a class="moz-txt-link-abbreviated" href="http://www.EcoBrooklyn.com/">www.EcoBrooklyn.com</a>
22 2nd St; Brooklyn, NY 11231
On Wed, Nov 16, 2011 at 5:05 PM, Reuben Deumling <a class="moz-txt-link-rfc2396E" href="mailto:9watts@gmail.com"><9watts@gmail.com></a> wrote:
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<blockquote type="cite">
<pre wrap="">add away. One could take more time than I just did and do a much better job,
surely.
On Wed, Nov 16, 2011 at 1:07 PM, Michael O'Brien <a class="moz-txt-link-rfc2396E" href="mailto:obrien@hevanet.com"><obrien@hevanet.com></a> wrote:
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<pre wrap="">Hi, Reuben--
Amen!
May I add, Myth No. 6, Computer modeling during building design accurately
predicts actual energy reductions and performance of the constructed
building, and no monitoring or feedback is necessary.
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</blockquote>
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