Energy efficiency / Discussions

I have many issues with my house where should I start?

...energy efficient upgrades. Please have a read on a few of these pages, and once you have a better idea of what you want to get done and your budget we are mor...

Posted by Bryan Squirrell Sept. 29, 2019, 3:08 p.m. Wall assemblies - renovation 1 Responses

Does anyone have any experience or thoughts on a geodesic dome ecohome?

...energy efficiency in a zone 3 climate. Would the advantages of a geodesic shape such as the fewer materials needed per square foot and even distribution of heat...

Posted by Tyler Chidester Dec. 12, 2019, 4 a.m. Concept and design 0 Responses

What is the best insulation Under 2" Cement flat Roof in NYC?

...energy efficiency and water leaks? Maybe 2 layers? The base for the roof will be Metal beams. Thanks, Rafael, Brooklyn We would propose you use a rigid board ...

Posted by Rafael Mor March 29, 2019, 5:19 a.m. Roof assemblies - new construction 1 Responses

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

...energy-efficiency/energy-efficiency-homes/make-your-home-more-energy-efficient/keeping-heat/keeping-heat-chapter-6-basement-insulation/15639#a6-2 " I want to ...

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

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

...energy once we fully assessed the true energy requirements over a year or two. As the house location is off-grid in the North Woods area, it's not a case of sla...

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

What is the optimal setup for mechanical systems for slab on grade?

...energy efficiency! A lot of clients are on a tight budget and the idea of even spending 20% more on insulation was too abstract a notion, for something you don'...

Posted by Dave Nuttall July 6, 2019, 9:42 a.m. Mechanical systems 1 Responses

Should I replace my geothermal system with a gas boiler?

I have an energy efficient 2,000 sq ft bungalow located on acreage just east of Edmonton. The house was built in 2007 and received the Green Vision Award for A...

Posted by Lawrence Brusnyk Oct. 31, 2018, 8:07 p.m. Heat pumps, geothermal and AC 1 Responses

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

...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-split heat...

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

Should I install two small electric hot water heaters - ones or big one?

...energy loss and wasted water in not having to feed hot water from a long distance. The upfront cost of heat pump water heaters would be quite a burden, so I w...

Posted by Shaun B June 28, 2019, 2:14 p.m. Hot water 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

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 insulation for a small energy neutral home project?

...energy efficiency . And we’re always happy to discuss eco friendly building materials , but first let’s start with the right amount of insulation . Can you tell...

Posted by Dan Gull Nov. 11, 2019, 6:40 a.m. Off-grid and Net-Zero Housing 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

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 type of wood can be installed on a radiant floor?

...efficiency as some installers suggest, the heat will get there eventually. If you’re not a big fan of really ‘hot’ floors, wood will actually add to your comfor...

Posted by Colleen Blak Dec. 11, 2017, 1:59 p.m. Flooring and stairs 1 Responses

Can I use an old patio door thermal pane as the cover for a solar air heater?

...efficiency. You may have seen them already, but below are a few pages on solar air heaters that may be of value to you. good luck, and feel free to send us pics...

Posted by Fred Miller May 20, 2019, 11:44 a.m. Solar thermal collectors 1 Responses

Can you spray foam a house from the outside?

I live in Calgary, Alberta. My house is a 1940s bungalow with a second storey added in 1988. We are replacing the vinyl siding with Hardie Board, and want to i...

Posted by Joan Lawrence July 11, 2019, 7:17 p.m. Wall assemblies - renovation 3 Responses

Should I replace my skylights with solar tubes?

...energy wise -if I were starting a new build, that's what I would choose. But do you think that I should close in my skylights and replace them with tubes? Or ar...

Posted by Elizabeth Brown Nov. 30, 2018, 9:32 p.m. Windows and doors 1 Responses