Cold / Discussions

Is an HRV or ERV system best in a cold climate?

...cold / hot climate? How do you recommend we size the HRV or ERV? Which brands do you have experience of/ would you recommend (bearing in mind efficiency and p...

Posted by Michael Duncan Nov. 14, 2019, 3:53 a.m. HRV and ERV 1 Responses

What is the best foam board insulation under drywall

...colder it gets, polyiso is the opposite and its R value tends to drop when it is exposed to cold temperatures, which is not a characteristic that is what you wo...

Posted by Wesley Pracht Jan. 11, 2020, 8:10 p.m. Wall assemblies - renovation 1 Responses

What would you say is the most comfortable heating system for a home?

I currently heat my house with electric radiators but I find it very unbalanced, some spots are too hot and some too cold. Is there any system I can install th...

Posted by Anonymous Dec. 11, 2017, 11:25 a.m. Heating with electricity 1 Responses

How do you seal up an old fireplace chimney?

I have an unused fireplace that feeds a lot of cold into the house so I would like to insulate and shut it. How can I do that in way where I may be able to use...

Posted by Gord Nov. 2, 2017, 10:06 a.m. Wood stove and biomass heat 3 Responses

How much insulation should I install underneath my concrete slab in my basement?

I live in a cold climate - Winnipeg Manitoba, and intend to install radiant heat in the concrete slab. As my basement is below the frost line, I’m not sure if ...

Posted by Scott Antonation Sept. 27, 2019, 1:06 a.m. Slab on Grade 3 Responses

Can you Insulate a Cinder block basement foundation with Rockwool?

...cold foundation wall in the winter during heating season and want to allow wall to dry in the summer . I am also a bit confused about smart retarder and how t...

Posted by Victor B June 19, 2019, 11:41 p.m. Basements improvements 5 Responses

Is There a Difference Between an Air Barrier and vapor barrier?

...cold, dry Edmonton Alberta. My low slope roof doesn't leak, however about once a year in the spring when we have a big temperature increase, I get water drippin...

Posted by Sherri Mccormick Aug. 17, 2018, 3:24 p.m. Roof assemblies - renovation 3 Responses

Will I save energy by lowering my thermostat at night?

I have a 1500 sq ft home just north of Toronto, Ontario. I recently installed a cold climate air source heat pump furnace. I am getting confliciting informatio...

Posted by Ryan Peterson May 1, 2018, 11:51 a.m. Heating and cooling 4 Responses

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

...cold. My plan is to fully demo the basement walls and start from scratch. I've been getting mixed opinions online about properly insulating the "rim joist"....

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

Can you provide Crawlspace Insulation Design Assistance?

Be warned; this is a long post! Apologies in advance. I live in the colder climate of western Massachusetts in an 1830s vintage home. We have a 4'6" crawlspa...

Posted by Randy Christensen Dec. 10, 2019, 12:17 p.m. Crawl spaces 1 Responses

Is Condensation on Windows a bad sign?

Since the recent cold snap our double glazed windows are running with water, every morning it's all over the window sills, running down the wall - in the bathr...

Posted by Greg Olmstead Dec. 12, 2019, 6:21 a.m. Walls and Roofs 1 Responses

Should I insulate my basement ceiling?

...cold next winter and that will spread to the rest of the house with the ceiling opened up down there. Should I insulate the basement ceiling? It’s possible that...

Posted by Nina Hartt March 21, 2019, 8:23 a.m. Basements improvements 1 Responses

What is the best way to insulate the ceiling of my crawl space?

...cold in the winter and in the summer we don't really have to use air conditioning because of the crawl space temperature. It is a wood floor on the other side o...

Posted by Judy Mendel Feb. 17, 2020, 11:10 p.m. Crawl spaces 1 Responses

How do you insulate a crawlspace?

...cold. The most likely cause of your problem is actually the inclusion of ventilation, which is a fairly common mistake. In most regional climates across Canada,...

Posted by Drew Weistend Nov. 14, 2017, 9:22 a.m. Crawl spaces 1 Responses

Why do you say building on a slab is more ecological than starting with a basement?

...cold storage, etc. The way I see it is to build without basement is to decide to build bigger, meaning more materials, more external walls to heat, and a bigger...

Posted by Geri P Dec. 11, 2017, 11:45 a.m. Foundations and Basements 1 Responses

Which type of hot water pipe insulation is best?

...cold water pipe insulation is also a good practice that prevents moisture condensation on the cold walls of the pipe, which protects nearby building materials f...

Posted by Cooper Dec. 11, 2017, 2:36 p.m. Plumbing and water heaters 1 Responses

Have you heard of Gigacrete and is it any good?

...cold side, and will corrode. It seems to be acrylic-based stucco finishes placed straight on the foam, and we know that SIFE-like systems aren't well adapted to...

Posted by Sasha P Aug. 29, 2019, 4:21 p.m. Wall assemblies - new construction 1 Responses

What causes moisture on a ceiling in winter?

...cold surface, so if there is condensation on a ceiling then there be either thermal bridging - a lack of insulation . Or, if there is a reasonable amount of ins...

Posted by Cheri Banet Jan. 23, 2020, 10:22 p.m. Wall assemblies - renovation 1 Responses