LEED Platinum / Discussions

What does it take to get a water heater air-conditioner and heater mini-split?

...LEED Platinum Demo house , and since with was a superior building envelope the water pump did provide a noticeable difference, but that combination won’t always...

Posted by Réal Paquin May 28, 2020, 12:44 p.m. Heat pumps, geothermal and AC 1 Responses

What is the best way to make a row house in Montreal Quebec more energy efficient?

...LEED Platinum), you could back off a bit on the insulation levels if it helped you afford a geothermal system. As for a backup heating system, a wood stove wo...

Posted by Elizabeth Brown Feb. 26, 2019, 9:09 p.m. Wall assemblies - renovation 3 Responses

Can you elevate a slab on grade foundation?

...LEED V4 Platinum 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 cle...

Posted by Raoul Lions July 27, 2019, 2:47 p.m. Slab on Grade 3 Responses

The thickness of vapor retarding latex paint - Is measurement wet or dry?

...LEED Platinum Demo House instead of a 6 mil poly vapor barrier , it was for the walls not the floor. As for thickness, that is what we would call a bit of a con...

Posted by Kim Boas July 24, 2020, 10:36 a.m. Basements improvements 3 Responses

Do you have an updated recommendation for attaching exterior mineral wool insulation?

...LEED Platinum Edelweiss House worked well, but was pretty labour intensive. There are a few options for attaching rigid insulation to the exterior of houses, on...

Posted by Fred D Aug. 31, 2020, 1:07 p.m. Wall assemblies - new construction 1 Responses

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

...LEED V4 Platinum Edelweiss Demonstration house we installed a 10-mil underslab vapor barrier from WR Meadows, we found it to be extremely puncture resistant and...

Posted by Grady 22 Aug. 17, 2019, 12:19 p.m. Air and vapour barriers 3 Responses

What is the best way to frame window openings when adding exterior insulation?

...LEED Platinum house ), but it helped get our air leakage rate to about 0.6 ACH (here is our air barrier installation video ). As for ideal window placement wi...

Posted by Anwas Qwelten May 30, 2019, 8:16 p.m. Windows and doors 1 Responses

What is the best heating and cooling system for a slab on grade home?

...Leed Platinum Edelweiss Demonstration house that we built in 2015, it is a super-insulated slab floor with radiant heat, and the cooling is all provided by a co...

Posted by Matthew Gioia July 7, 2020, 11:03 p.m. Heating and cooling 3 Responses

Should I build a basement or slab on grade?

...LEED Platinum Edelweiss House is a 1450 square foot house in Quebec, Canada and is heated for under $300 a year. Yoda wouldn't live long enough to get his money...

Posted by robert baker March 27, 2020, 6:54 p.m. New foundations and slab-on-grade 9 Responses

What is the best type of home heating system?

...LEED Platinum Edelweiss house heating and electrical systems here . If it were me, I would only do radiant heating on floors I occupy as living space, and onl...

Posted by Jennifer Doll Jan. 20, 2020, 11:59 p.m. Heating and cooling 3 Responses