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Which is better to stop odors, an oil or water based sealer?
Posted by Mitch Dante Nov. 6, 2024 Healthy indoor air quality

Does radon gas have an odor?
Posted by Linda Chisholm Nov. 6, 2024 Radon in Homes - Mitigation 3 responses

What is the best way to combine insulation on the inside and outside of my crawl space?
Posted by Maury Miloff Nov. 6, 2024 Crawl spaces 1 response

Should I put an air barrier and vapour barrier on the walls of a bathroom renovation for a 1949s home?
Posted by River Dweller Nov. 4, 2024 Air and vapour barriers

Can you use a ZEHNDER ERV with ground Loop?
Posted by Trish Wise Oct. 29, 2024 HRV and ERV

Where can I find spray hempcrete?
Posted by Jack Wolofsky Oct. 27, 2024 Wood and organic materials 1 response

Are there architects that specialize in hemp, straw bales and cordwood?
Posted by Debbie S Oct. 27, 2024 Wood and organic materials 1 response

Do prefabricated houses that are more energy efficient take longer to build?
Posted by Ross Breton Oct. 27, 2024 Prefab homes 2 responses

Is it worth renovating old farmhouse?
Posted by Kathryn Hayley Oct. 26, 2024 Wall assemblies - renovation 1 response

What kind of paint can seal stucco?
Posted by Jill Gallaher Oct. 26, 2024 Exterior cladding

Is it ok to decommission infloor heating?
Posted by Alexandra Godbeer Oct. 25, 2024 Heating and cooling 1 response

What should I put on concrete basement walls instead of vapor barrier?
Posted by Lauren Brooks Oct. 25, 2024 Foundations and Basements 1 response

How do you insulate a basement slab to keep the benefits of thermal mass in a passive solar home?
Posted by Trudy Lynn Oct. 25, 2024 Passive solar home design 1 response

Are your eco prefab home kits customizable?
Posted by Florine Tseu Oct. 25, 2024 Prefab homes 1 response

Which is the best low carbon concrete for a slab-on-grade and ICF Blocks?
Posted by Ian Shermann Oct. 18, 2024 Concrete and masonry

What is Most Cost Effective HVAC Solution for a Slab House Addition?
Posted by Ross McLeod June 24, 2024 Heating and cooling 4 responses

I need a list of turnkey builders to design my sustainable house, have you one?
Posted by Alexandra Hawksfield June 17, 2024 How to Find Qualified Green Building Professionals 1 response

What grants are available for building my own home?
Posted by Susan Cruch June 10, 2024 Grants and incentives