[Greenbuilding] Just an update
Marilyn
cybercrone at eol.ca
Thu Jul 28 09:45:46 CDT 2011
That sounds amazing! I hope you will tell us how it does in the winter, and maybe some
photos?
~m
-------------- Original message ---------------
thanks for the info--I hope you will keep us posted on performance.
On Wed, Jul 27, 2011 at 9:33 AM, Lynelle Hamilton <lynelle at lahamilton.com> wrote:
I knew I'd raise questions.
I am in Napanee, Ontario (SW of Kingston). HDD annually is 4311; CDD is 215.
These stats are from the Weather Network. The HDD is quite a bit higher than
EnCan's estimates for Kingston, so I don't know how accurate they may be.
Floor is 2200 Sq ft.
I don't have cooling, and the heat is tied to the dryer and DHW and stove. I am
trying to calculate summer usage to give me a rough idea of the winter heat load.
No blower test as yet
The house does rely on solar gain and shading. 3' overhangs on all sides.
Windows calculated at 13% of wall area. Most are south facing (only 30sq ft of
windows on north wall) Windows were 'tuned' to the exposure by Thermotech)
14' door/window combo in great room. Small solarium on south with approx 40 sq
ft of glazing
Concrete floors throughout
L
On 27/07/2011 8:51 AM, Alan Abrams wrote:
Lynelle-
Congrats on the house. One hundred questions come to mind. Such as:
What region are you?
What are the average HDD's and CDD's for your location?
What is the floor area of the house?
Can you isolate the KW's and or BTU's used for heating and cooling for given
periods?
Did you do a blower door test on the house after completion? Do you use heat
recovery ventilation?
Does the house rely on solar heat gain and or solar shading? Any other
consideration of window location and solar exposure?
What sort of glazing did you use?
regards-
AA
*Alan Abrams**
Abrams Design Build LLC*
/A sustainable approach to beautiful space/
6411 Orchard Avenue Suite 102
Takoma Park, MD 20912
office 301-270-NET- ZERO (301-270-6380)
fax 301-270-1466
cell 202-437-8583
alan at abramsdesignbuild.com <mailto:alan at abramsdesignbuild.com>
www.abramsdesignbuild.com <http://www.abramsdesignbuild.com/>
On Wed, Jul 27, 2011 at 8:39 AM, Lynelle Hamilton <lynelle at lahamilton.com
<mailto:lynelle at lahamilton.com>> wrote:
Since I get tremendous information from the folks on this list, I
thought I'd share what has transpired so far on my house, in the
hope it helps others.
House is Durisol, R28, plus 2" of closed cell soy foam on outside.
Slab on grade with 5ft frost wall underneath. North wall bermed
to 5'. Windows are Thermotech. 2200 square feet.
Overall: R42 in walls, R34 under slab, R65 in ceiling.
LED lights (mostly from IKEA) in many areas, CFLs in many. 2
Halogens, bought when the salesperson promised that the GU10 CFLs
would fit in the fixture. They did not, so both are on dimmers
and will be replaced when the budget allows.
HeatKit masonry heater; propane fired radiant in floor (Rinnai on
demand system).
Propane stove and dryer
No waste hot water recovery system, as virtually all drains are
embedded in floor.
Outer taps fed by cistern, run by jet pump as needed. Jet pump
will eventually run on solar.
Performance:
95-98F degree heat last week, for several days. Minimal wind
Interior temp never higher than 75F.
Hydro (electricity) bills past two months <$70/month, even when
running table saw, mitre saw and concrete mixer, in addition to
home office equipment.
I can't gauge propane consumption yet, as the tank won't be
refilled until the fall.
FWIW!
Thanks again for all the information you've given me.
-- Effective immediately, please use the following e-mail address to
reach me: lynelle at lahamilton.com <mailto:lynelle at lahamilton.com>
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--
Effective immediately, please use the following e-mail address to reach me:
lynelle at lahamilton.com
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Cybercrone
http://www.eol.ca/~cybercrone
Hm-m-m-m . . .
A good laugh is sunshine in a house.
--William Makepeace Thackeray
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