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

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

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 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

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 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

What is the Kenogami House heating system?

...energy efficiency , there are just no mainstream products readily available on the market to date. Our new demo house has a heat storage solution you may find...

Posted by dean c March 22, 2019, 3:46 p.m. Passive solar home design 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

Can I put a breathable peel and stick weather (air) barrier on the inside walls and ceiling?

...energy efficiency purposes.

Posted by Anomika Singhn Oct. 1, 2018, 9:56 p.m. Air and vapour barriers 1 Responses

How do I stop a leak from my attic?

I'm getting water dripping down the inside walls of two opposite exterior walls. I checked the attic and found 1) frost of the underside of the roofing plywood...

Posted by Markus Duess Feb. 11, 2019, 12:42 a.m. Roof assemblies - renovation 1 Responses

What are the options for radiant heat with a slab on grade?

...energy use (and energy bills)” Nope. And this is the part where I become suspicious, when they make claims that just don't line up with the laws of physics. T...

Posted by August Wehrmann Feb. 3, 2019, 6:52 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

How do you know when its time to replace windows?

...energy will you save with new windows compared to your existing ones. Except with very old and badly damaged windows on a house that is otherwise in very good...

Posted by Ted Dec. 11, 2017, 12:50 p.m. Windows and doors 1 Responses

What do I in my basement where new insulation meets old?

I’m insulating my basement with 2” of EPS against poured concrete foundation, then framing a 2x4 wall, then adding Rockwool. Unfortunately, due to some areas, ...

Posted by Steve J July 20, 2019, 10:01 p.m. Basements improvements 2 Responses

How you vent a metal roof?

...energy efficiency - to think of it in its true essence, it is the defining point of the worst performing house that you are legally allowed to build. Here is a ...

Posted by Kim jarrett July 12, 2019, 12:15 p.m. Roof coverings 3 Responses