Edelweiss House / Posts

In your Edelweiss house you use 2x6 studs. Why not use 2x4 studs and add 2" rigid on the inside

...Edelweiss house are fully filled with 2x6s, and would have been much thicker if the structure were made out of 2x4s. Designs with higher levels of glazings are ...

Posted by Tom Wagar Aug. 25, 2019, 3:40 p.m. Wall assemblies - new construction 1 Responses

Details regarding the heating and domestic hot water systems of the Edelweiss house

...Edelweiss house where it indicated "a hydronic radiant floor and an air source heat pump". Can you post more details on which systems were used? For example, is...

Posted by August Wehrmann March 10, 2019, 9:26 a.m. Heat pumps, geothermal and AC 1 Responses

Are there any updates on the progress of the second demonstration house?

...House coming soon! Best regards, Mike Thanks for the reply. I noticed this new demo house is 2 stories. Is the Legalett system also supplying radiant air heatin...

Posted by dean c April 30, 2019, 7:58 p.m. Solar thermal collectors 2 Responses

If a passive house is designed well is it worth the extra cost for Low E (High solar gain) coatings?

...house, you may also be able to count on mature deciduous trees as shading as we did with the Edelweiss House, that is a great part of a passive heating and cool...

Posted by Joe Van Kuren June 7, 2019, 8:37 p.m. Passive solar home design 1 Responses

Can you elevate a slab on grade foundation?

...Edelweiss House . This page has a video about how to build passive solar homes , where you can see how we raised the level of the slab with clean compactible fi...

Posted by Raoul Lions July 27, 2019, 2:47 p.m. Slab on Grade 1 Responses

How much does it cost to build a house, by square foot

...house but on the lower end of the cost scale, check out our Edelweiss House for inspiration. It is a 1,450 square foot LEED Platinum house we built in 2015 for ...

Posted by Anonymous Sept. 5, 2017, 4:12 p.m. Concept and design 1 Responses

Slab-on-grade instead of Pressure treated wood foundation

...Edelweiss House) a few years ago (on a slab) and we were careful to choose healthy building materials such as zero VOC paints and finishes, formaldehyde-free pl...

Posted by Margot Simonot May 20, 2019, midnight Slab on Grade 1 Responses

Looking to build a small home as eco as possible, where do we start?

...Edelweiss House. Here are a few pages I would recommend as a starting place. What to look for in a home building lot How to build a passive solar home H...

Posted by Jenn Bisson July 12, 2019, 12:12 p.m. Planning and Design 2 Responses

What is the right amount of insulation?

...house while the super insulated house cost more per month due to the added up front building cost. I'd like to aim for the better built house with instant payba...

Posted by Ryan Gerbrandt Feb. 11, 2019, 9:57 a.m. Passive solar home design 4 Responses

How do I create a complete air barrier using a vapour retarding primer?

...Edelweiss House, we had an entirely separate air barrier in that wall assembly, a peel and stick membrane on the exterior sheathing (seen below). The co...

Posted by Mihai Wilson May 3, 2018, 10:15 p.m. Wall assemblies - renovation 1 Responses

Can you also use a vapour retarder paint on the ceiling instead of using a poly vapour barrier?

...Edelweiss House rather than a standard 6 mil polyethylene vapour barrier partly because we already had an Air Barrier in place as you mentioned. For the ceiling...

Posted by Anwas Qwelten June 8, 2019, 3:56 p.m. Air and vapour barriers 2 Responses

What is the best option for building our next resilient home?

...Edelweiss House , our LEED Platinum Kenogami House , and our newest demo house in Wakefield QC has a feature that may be of interest, we installed a solar air h...

Posted by John Bae Aug. 27, 2019, 3:55 p.m. Efficient home design 1 Responses

Is a vapor barrier necessary under a concrete slab with foam insulation and if so, where does the plastic vapor barrier go??

...Edelweiss Demonstration house we installed a 10-mil underslab vapor barrier from WR Meadows, we found it to be extremely puncture resistant and our final radon ...

Posted by Les Poldark Aug. 17, 2019, 12:19 p.m. Air and vapour barriers 3 Responses

How to seal windows from exterior for water and air seal but not vapour seal?

...Edelweiss House videos. If you did then you know we tried two approaches, backer rod and caulking as well as taping the window to the rough opening, on the inte...

Posted by Piyush Prince Nov. 7, 2018, 12:10 a.m. Windows and doors 1 Responses

What is the optimal setup for mechanical systems for slab on grade?

...Edelweiss House (where we installed the mini-split heat pump for heating and cooling ) is a very well-insulated and airtight envelope, so it doesn't require a l...

Posted by Dave Nuttall July 6, 2019, 9:42 a.m. Mechanical systems 1 Responses

Why do you say building on a slab is more ecological than starting with a basement?

...Edelweiss House that we built a few years ago, it is a 4 bedroom home (or three and storage room). Thanks for the great question, I hope that helps! Regards, Em...

Posted by Anonymous Dec. 11, 2017, 11:45 a.m. Foundations and Basements 1 Responses
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