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How much does a Tesla roof cost?
Posted by Anthea Larke June 18, 2019 Renewable energy 1 response

Can you use a vapour retarder paint on the ceiling instead of using a poly vapour barrier?
Posted by Anwas Qwelten June 8, 2019 Air and vapour barriers 2 responses

If a passive house is designed well is it worth the extra cost for Low E window coatings?
Posted by Joe Van Kuren June 7, 2019 Passive solar home design 1 response

Can I spray foam insulate from the outside?
Posted by Kurt Klischuk June 6, 2019 Wall assemblies - renovation 3 responses

What do you think of insulated T Studs in Canada?
Posted by Lee Watt June 3, 2019 Wall assemblies - new construction 1 response

What is the best way to frame window openings when adding exterior insulation?
Posted by Anwas Qwelten May 30, 2019 Windows and doors 1 response

Can I use an old patio door thermal pane as the cover for a solar air heater?
Posted by Fred Miller May 20, 2019 Solar thermal collectors 1 response

Can you help me choose between a slab on grade and pressure treated wood foundation?
Posted by Margot Simonot May 20, 2019 Slab on Grade 1 response

Would you recommend Legalett over water radiant floor heat for a backyard studio in Toronto?
Posted by Christine Pountney May 2, 2019 Delivery: radiant, forced-air and decentralized 1 response

Does hydronic radiant cooling work?
Posted by dean c April 30, 2019 Delivery: radiant, forced-air and decentralized 1 response

Are there any updates on the progress of the second demonstration house?
Posted by dean c April 30, 2019 Solar thermal collectors 2 responses

How do you Insulate a 3 season cottage?
Posted by Terry Skindilias April 23, 2019 Wall assemblies - renovation 4 responses

What type of Insulation can I use on the exterior of my home?
Posted by Scott Muller April 18, 2019 Wall assemblies - renovation 5 responses

Do I need to insulate under the footings of a frost protected shallow foundation?
Posted by Jon Piana April 15, 2019 Slab on Grade 1 response

Do you have on a category on insulating vans?
Posted by chantal fortier April 14, 2019 Tiny house 1 response

Do I need ceiling fans if I have an HRV?
Posted by S McIntyre April 2, 2019 Ventilation 1 response

What are the factors I should consider for choosing between a slab on grade and basement?
Posted by Shaun B April 2, 2019 Slab on Grade 3 responses

What is the best insulation Under 2" Cement flat Roof in NYC?
Posted by Rafael Mor March 29, 2019 Roof assemblies - new construction 1 response