Energy efficiency / Discussions

What can I use as an air barrier under an old wood floor with no sub floor?

...energy efficiency, and air quality. See this page first as it will probably answer all your questions – Crawl Space Insulation Tips for Insulating Crawlspaces...

Posted by Mimi Costley Nov. 6, 2021, 11:11 a.m. Air and vapour barriers 1 Responses

What do you look for when buying an existing home to convert to a green home?

...energy efficiency upgrade and retrofit is as green a home as you will get. We have several pages that will help you in that respect, so I’ll link them below. Ar...

Posted by Ismael Rumzan Nov. 30, 2021, 8:02 a.m. Architecture and plan design 1 Responses

What is the best way to renovate and make a self sustaining eco friendly family house?

...energy audit and blower door test to determine the current energy consumption, that also tells you were your weakest points are so you know where your money is ...

Posted by Emmanuel Sylvestre Aug. 31, 2020, 8:15 a.m. Concept and design 1 Responses

What is the best way to stop thermal bridging between my ICF block construction walls and my footing?

An Uninsulated footing under ICF block construction walls allows thermal bridging into the concrete core of the wall allowing energy stored in the thermal mass...

Posted by Walter van den Broek Sept. 18, 2020, 11:23 a.m. Foundation choices 1 Responses

Where can I buy green home building plans and blue prints?

...energy required to operate them. The best thing you can do for yourself to ensure you get a high efficiency durable home is educate yourself, so you know when...

Posted by Moyra Francis Oct. 25, 2019, 5:55 p.m. Concept and design 2 Responses

What is the best material to use for wall and roof insulation?

...energy efficiency and durability . If walls are not built with airtightness and an ability to dry, they are at a far greater risk of developing mold and they wi...

Posted by Babak K July 12, 2020, 8:43 p.m. Insulation and soundproofing 1 Responses

What is the most comfortable heating system for a home?

...energy retrofit? For perspective – A well-insulated home with good quality windows will be more comfortable, even when you aren’t close to the heat source. If y...

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

Is solar air heating for a floor as efficient as solar hydronic?

...efficiency in heat delivery - there is no great difference in the energy efficiency between air heated floors or hydronic (liquid) radiant floors, at least when...

Posted by Ryan Johnson Dec. 7, 2020, 9:02 a.m. Delivery: radiant, forced-air and decentralized 2 Responses

What is the best type of home heating system?

...energy options. We have an Energy Advisor helping us. Initially, we considered in-floor heating in the basement and pellet stove on the main floor. The house is...

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

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

...energy efficiency and durability Efficient lighting – You will probably have a lot of natural light based on your passive solar orientation, but still choose ...

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

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

...energy-efficiency by reducing heat loss, as it has one of the highest per-inch r values of commercially available insulation products. There are also some sig...

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

Which type of hot water pipe insulation is best?

I have read that heating a product will cause it to release any VOCs, do you have a preferred product for hot water pipe insulation that won’t off-gas into hom...

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

How do you rebuild an existing basement?

...energy-efficiency and durability standpoint, this following page will help - How to build a basement properly for energy efficiency and to prevent mold

Posted by Lisa Tuck April 14, 2020, 11:34 p.m. Basements improvements 1 Responses

What is the best brand for ductless mini-split HVAC system?

...efficiency falls off the colder the exterior air temperature gets. Mitsubishi has an infrared tracking feature that we like as it points conditioned air at us...

Posted by Babak K July 12, 2020, 11:22 p.m. Heating and cooling 2 Responses

What is the best heating system for new home build?

...energy assessment done based off my home plan and 12,000 Btu/h Minisplit, HSPF 12 was recommended with a Hybrid Heat Pump water heater based on Region 5. My c...

Posted by Maureen Thompson Oct. 28, 2021, 11:33 p.m. Heating and cooling 4 Responses

How do you install a ground loop for an HRV?

...energy savings. Especially as a house is often empty during the day when the greatest Solar energy gain is available to the SHWH. Is this theory correct or am...

Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 2 Responses

What is the best way to insulate rim joists with EPS and batts?

I'm trying to insulate Rim joists /cripple walls in basements have read about three methods using EPS & batt with slightly different orders. Plan to insulate c...

Posted by Steve J July 18, 2019, 3:53 p.m. Basements improvements 1 Responses

What is the best way to insulate a 1930s brick house from the outside?

...energy efficiency. A lot of Toronto homes are fairly close together and sometimes there is simply not enough room to add insulation to the outside and not inf...

Posted by Stephane Marcotte Sept. 2, 2021, 2:42 p.m. Wall assemblies - renovation 2 Responses