Demo house / Discussions

Can you do an update on Ecohome’s new demo house?

...demo house, did Legalett also build the Solar Air Panels to ensure a continuation of its closed loop system? In the last article about this latest demo house,...

Posted by dean c Oct. 16, 2019, 2:04 a.m. Concept and design 1 Responses

Is there an update on your demo house solar air heater?

...demo home with the pre fab house on a Legalett air heated slab foundation to do an analysis of its effectiveness? I'm wondering what the numbers are on using th...

Posted by dean c Oct. 24, 2020, 2 p.m. Concept and design 1 Responses

Can I see details about the heating and domestic hot water systems of the Edelweiss house?

I saw the article on the CaGBC site regarding the Edelweiss house where it indicated "a hydronic radiant floor and an air source heat pump". Can you post more ...

Posted by August Wehrmann March 10, 2019, 9:26 a.m. Heat pumps, geothermal and AC 3 Responses

Should I bother testing for radon in a gutted and uninsulated house?

...demo on 100 year old house. With the removal of wall panels and the ancient insulation aka 100-years-of-mold, the house is pretty drafty. I want to test for rad...

Posted by Luba Sharapan March 27, 2021, 12:04 p.m. Radon in Homes - Mitigation 3 Responses

How to air seal & ventilate a partial gut reno of a 1901 house?

I'm renovating a 1901 house, detached wood frame with stone foundation. We are creating a ~1500SF owner's duplex on the 2nd floor and former attic. The basemen...

Posted by Zach Zill Feb. 7, 2021, 4:33 p.m. Air and vapour barriers 0 Responses

What is the best way to insulate embedded joists in a basement Montreal Home?

I've recently purschased a house in Montreal Canada. We get -20C in Winter and we can get +30C in Summer. I have a split level home built in 1961 that is pre...

Posted by Emil Idf Jan. 7, 2020, 8:34 p.m. Foundation and basement improvements 1 Responses

Should I vent the space between a block wall and vapor barrier?

I bought my house about a year ago and I recently took out 4 of the exisiting basement walls. 3 of which where exterior and 1 was just dividing the finished ar...

Posted by Nick Santore Oct. 10, 2020, 2:03 a.m. Basements improvements 1 Responses

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

...house is now standing, it is the first house built of our new prefab modular kit houses available across Canada and the US . you can see a full break down of th...

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

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 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

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

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 to find Aeratron ceiling fans?

...Demo House in 2015 but we have not been in contact with the company since. Have you contacted anyone at the company?

Posted by marlene schaly Feb. 21, 2021, 10:08 a.m. Ventilation 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

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

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