[Greenbuilding] On The Edge: Sustainable Housing in Canada

[John Straube]

While Darmstadt is a bit further north (4 degrees) than Wakefield (near Ottawa) and thus gets slightly fewer hours of sun, it is also a lot warmer during those dark winter hours, and hence it is actually easier to get a larger proportion of solar gain than it is in Wakefield.   HDD in Darmstadt is about 3350 (Celsius) and Ottawa is 4600 -- about 40% more heating demand.  
On 2013-11-10, at 8:05 AM, nick pine <nick at early.com> wrote:

> "Ross Elliott" <relliott at homesol.ca> writes:
> 
>> I thought perhaps this group would be interested in the presentation I did this week for the National Housing Research Committee?s  Sustainable Housing Working Group on Tuesday, ?On The Edge: Sustainable Housing in Canada?
> 
> http://draftexample.squarespace.com/storage/SHWG%20Nov.%205%202013%20Ross%20Elliott%20POST%20FINAL%20w%20transcript.pdf
> 
> Nice presentation.
> 
> Re: page 78:
> 
>> ... It's an 8000 SF weddings events facility with 15' ceilings, or roughly like a 15,000 SF house with 8' ceilings. Last winter before the final heating system was installed, this entire building was heated just with a single 700 watt plug-in heater and was always comfortable.
> 
> It seems to me that this building could have been less expensive with less insulation and airtightness and more passive solar air heaters like Gary Reysa's http://www.builditsolar.com/Projects/SpaceHeating/solar_barn_project.htm
> 
> Germany has no sun. Why do we have to build like they do?
> 
> Nick 
> 
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John Straube
www.JohnStraube.com