Demo house / Discussions

What is the best wall design for cold climates?

...house is insulated with Rockwool Mineral wool insulation . Our latest demo house was insulated with dense packed cellulose insulation (recycled newsprint) , you...

Posted by Jeremy Hull Jan. 20, 2021, 10:21 a.m. Concept and design 1 Responses

What is the Kenogami House heating system?

...house that received direct sun, and collected passive solar heat, and moved the water through the tubing to the areas of the house that did not receive direct s...

Posted by dean c March 22, 2019, 3:46 p.m. Passive solar home design 1 Responses

What is the best material to use on top of plywood for water proofing?

...house wrap, which is best? In our 2015 LEED Platinum Demo house we installed a peel and stick weather barrier / exterior air barrier, see our how to install a...

Posted by Babak K July 27, 2020, 12:22 a.m. Air and vapour barriers 3 Responses

Is hydronic slab heat appropriate in a super insulated home?

...demo house which was the first LEED V4 in Canada and it also met Passive House performance requirements even though it we didn’t seek certification. We used the...

Posted by Andrew Wright Feb. 3, 2021, 3:26 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

What is the best type of home heating system?

...demo house in Quebec that is all electric, and the entire electrical load (stove, water heater, lighting, heating) comes to just over $500 per year. Read more a...

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

What are the foundation options for a prefab house?

...house to be shipped in 2 sections, with a final resting place in the mountains of western BC. The site slopes along the long axis of the house approximately 3 f...

Posted by Richard Bowie Nov. 20, 2020, 3:40 p.m. Foundations and Basements 2 Responses

When using larsen trussees, what is the maximum spacing between TJIs

...demo house the S1600 prefab kit home has offset studs and 15 inch deep cavities. My concern with doing 4 foot spacing would be that it might be difficult to h...

Posted by steve outlet March 6, 2020, 12:39 a.m. Wall assemblies - renovation 3 Responses

Lunos HRV - where can I buy them and get advice?

...demo house build a few years ago.

Posted by martin tierney Nov. 16, 2019, 4:57 p.m. HRV and ERV 1 Responses

What is safer than OSB for someone with multiple chemical sensitivities?

...demo house is targeting LEED Platinum, and has extremely safe air quality. All the interior finishing (walls and trim) were done with a formaldehyde-free UV tre...

Posted by Ian Smith April 27, 2020, 1:01 p.m. Healthy indoor air quality 1 Responses

How do you make an airtight house envelope?

...demo houses and hit PH airtightness levels, you can see a video of it here – How to install air barriers properly to make a house airtight – DIY video As fo...

Posted by Valeriy Kraydman Dec. 1, 2020, 2:52 p.m. Air and vapour barriers 1 Responses

Where can I find building plans for an eco home?

...houses. We don’t currently have plans we can offer unfortunately. There are Passive House and LEED certified prefab kit homes available that may meet your needs...

Posted by Derek Kittilsen Aug. 4, 2019, 12:09 p.m. Planning and Design 5 Responses

Have you excavated under one of your slabs middle of winter?

...demo house is in Quebec, Canada, which is about the same climate conditions as yours in Minnesota. By factoring the heat loss of a slab (meaning - how much in...

Posted by Mike Kolder Jan. 31, 2021, 2:31 p.m. Slab on Grade 1 Responses

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

...demo house, this one in Wakefield, QC it is about the size you mention so it may be worth considering, and being nearby you could go have a look at it. It is an...

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

How well do Legalett slab on grade floor forms work?

...house if it were on a crawl space or basement? What I mean here relates to the part above the foundation; i.e. the main house and garage construction. 8) Are ...

Posted by Steve Sykes Aug. 18, 2019, 3:21 p.m. Slab on Grade 3 Responses

What is the best ERV on the market ?

...demo house build and we are very happy with it. You’ve done some pretty diligent research into models, the only thing I would recommend is looking into the cost...

Posted by Brandon Phelps April 18, 2020, 12:09 p.m. HRV and ERV 1 Responses

Air source heat pumps: Which brand has the best performance?

...House high-efficiency zero net energy homes - video In our 2015 demo house build ( the LEED V4 Platinum Edelweiss House ) we used the Mitsubishi Mr. Slim Mini...

Posted by Mike Brigham Jan. 22, 2020, 9:25 a.m. Heat pumps, geothermal and AC 1 Responses

How do you install rigid insulation to the outside of a brick house"

...demo house a few years ago. About insulation now – you could insulate the outside of the bricks, but rather than applying something that will hold moisture, y...

Posted by Gordon CASWELL Dec. 13, 2019, 11:38 a.m. Wall assemblies - renovation 1 Responses

What is the best method of building a slab on grade?

...demo house when we did it by hand. It works fine, but we do now prefer the raft slab system, which we tried in our latest demo house, our LEED Platinum prefab e...

Posted by Jay Law April 19, 2021, 3:09 p.m. Slab on Grade 1 Responses