[Greenbuilding] Just an update

Wed Jul 27 11:46:00 CDT 2011

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@**abramsdesignbuild.com<alan at abramsdesignbuild.com>
>> >
>> www.abramsdesignbuild.com <http://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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