Heat loss / Discussions

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

...heat/keeping-heat-chapter-6-basement-insulation/15639#a6-2 " I want to use a professional company to spray foam the joist area while using XPS ridgid boards f...

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

Spray Foam for basements, which of the different types are best environmentally?

...heat loss, as it has one of the highest per-inch r values of commercially available insulation products. There are also some significant ecological downsides ...

Posted by Rose Adams Jan. 9, 2020, 9:33 a.m. Insulation and soundproofing 1 Responses

When I use my stove hood I get smoke odours in my home, is that due to negative pressure and how do I fix it?

...heat loss is insignificant compared to the health risks.

Posted by Anonymous Dec. 11, 2017, 12:37 p.m. Healthy indoor air quality 1 Responses

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

...heat loss of a slab (meaning - how much insulation, and whether or not it is heated, and factoring that with regional climate data, it is very easy to design a ...

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

What type of hrv system should I put in a 4 year old home?

...loss as heated or cooled air escapes, and that escaping air carries moisture with it as it escapes, which in cold climates can condense and leave moisture in yo...

Posted by Ellen Murray Zappone Sept. 1, 2021, 4:35 p.m. HRV and ERV 1 Responses

Will I save energy by lowering my thermostat at night?

...Heat loss increases with a greater differential in temperature, so the warmer it is inside compared to outside the greater your heat loss will be. As for wher...

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

I want to insulate the outside of my house, which type of insulation do you think is best?

...heathing then choose an insulation material, weather barrier, strapping and new siding. Wow! Let’s get the science right. First off, if a material allows air ...

Posted by J. Ferguson Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 12 Responses

What are the most cost-effective green building strategies in new home construction?

...heat loss goes in all directions, not just through the roof) read here to see how much insulation you need for green home construction . Calculating the amoun...

Posted by M T Nov. 4, 2019, 11:07 a.m. Concept and design 3 Responses

What is the best solar water heating system?

...heater (or heat pump water heater for that matter) with your PV panels . That way when there is no requirement for water heating , your system will still produc...

Posted by Geri Rhodes July 6, 2018, 3:35 p.m. Solar thermal collectors 2 Responses

What is the best way to insulate my basement?

...heat loss and water infiltration , see this page here - Best practices for basement construction - new home or renovations Thar should provide all the answe...

Posted by Chris Rogers Oct. 27, 2019, 11:23 a.m. Foundation and basement improvements 3 Responses

How to insulate an apartment you don't own?

I'm a tenant, not a homeowner, so I can't tear down drywall and reinsulate but winter is coming and drafts are already getting in. Is there anything I can do t...

Posted by Teresa Cunningham Oct. 21, 2019, 3 p.m. Wall assemblies - renovation 1 Responses

Why do you shim up basement walls?

...heat loss. And in all but the most cracked and leaky foundations, there isn’t typically a ton of air leakage through walls that would be stopped by the addition...

Posted by t b March 2, 2021, 3:17 p.m. Basements improvements 4 Responses

What are the factors I should consider for choosing between a slab on grade and basement?

...heat loss under all doorways. Below you can see the Thermasill where a door will be, it is a wood fiber cement board that is about R1.7 per inch. When b...

Posted by Shaun B April 2, 2019, 6:35 a.m. Slab on Grade 3 Responses

What is the best way to do a radiant floor in an off grid house?

...heat loss by building super efficient, and if possible incorporate passive solar heating. As for radiant floor heating, a solar air heating panel is nothing but...

Posted by Julien Comtois Oct. 2, 2021, 11:21 a.m. Heating and cooling 6 Responses

What is the best way to install 5" of XPS rigid foam on interior basement walls?

...heat loss. Also, screws over 6 inches start to get really expensive. I would fasten the stud wall to the floor joists above, and attach them to the floor with...

Posted by Sean MacDonald June 14, 2021, 10:42 a.m. Foundation and basement improvements 8 Responses

Do I need to insulate under the footings of a frost protected shallow foundation?

...heat transferring through the footing to stabilize the ground temp. My next thought was to use the FPSF design guidance for an unheated building, however this i...

Posted by Jon Piana April 15, 2019, 8:45 a.m. Slab on Grade 1 Responses

Is there any risk to a concrete foundation from adding interior insulation?

...heat from the natural gas furnace. if I replace the furnace with a heat pump and potentially also install a heat pump water heater, I expect my basement tempera...

Posted by Drew Tozer Jan. 5, 2021, 12:57 p.m. Basements improvements 9 Responses

What is the best way to do Stucco/E.I.F.S exterior window wraps?

...heat loss (usually air leakage around the frames), and water infiltration and damage if there wasn’t a strategy in place to avoid standing water and repel drivi...

Posted by Pat Estes July 17, 2020, 11:50 a.m. Windows and doors 1 Responses