Efficiency / Discussions

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

My house was built in the Late 1940 - early 1950's, it is a farm buglalow with an addition in 1973, a poured concrete basement and concrete block foundation ad...

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

Improving the efficiency of a home built in 1978 during renovations, do I need an HRV?

I'm looking for ways to tighten up the envelope as I make improvements. One question I have though is does it make sense to install an HRV in an older leaky ho...

Posted by joe cruikshank Feb. 8, 2020, 12:08 p.m. HRV and ERV 1 Responses

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

...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 heating/coo...

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

is there a SketchNanoGard Review?

...efficiency of our building. We've looked at the typical options, but we are also exploring some more unconventional routes. We happened upon a product named Ske...

Posted by Island Lake June 24, 2020, 2:37 a.m. Windows and doors 1 Responses

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

...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 insulat...

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

How do you do insulation the outside of a log home?

...efficiency of the house by insulating the outside. What I have in mind is vertical 2x4 strapping, 3 1/2" Roxul insulation, horizontal strapping with 1x3s and th...

Posted by Michael Hickey Aug. 2, 2018, 6:03 p.m. Wall assemblies - renovation 1 Responses

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

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

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?

...efficiency and power consumption)? To be clear, we aren't building a "Cabin in the Woods" like back in the day - this will be our 3000 sq.ft. main family home r...

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

What is the best way to make a row house in Montreal Quebec more energy efficient?

...efficiency and cost efficiency and eco-friedliness. What would ecohome do?! What you are describing is pretty much exactly my house in Montreal be...

Posted by Elizabeth Brown Feb. 26, 2019, 9:09 p.m. Wall assemblies - renovation 3 Responses

Should I replace my geothermal system with a gas boiler?

...efficiency, problem is that it is American made and will take 6 - 8 weeks to arrive), gas furnace (I have gas to the house since my wife wanted a gas stove, a g...

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

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

...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't actua...

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

How do you rebuild an existing basement?

...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 Kenogami House heating system?

...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 intere...

Posted by dean c March 22, 2019, 3:46 p.m. Passive solar home design 1 Responses

What is the best insulation for a small energy neutral home project?

...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 us wha...

Posted by Dan Gull Nov. 11, 2019, 6:40 a.m. Off-grid and Net-Zero Housing 3 Responses

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

...efficiency purposes.

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

How do you know when its time to replace windows?

...efficiency. For more info we have pages on choosing new windows , replacing or repairing windows , and one on proper window installation if you do end up having...

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

What is your opinion about building a garage on posts (screw piles)?

...efficiency and comfort as a slab-on-grade. It will also be more subject to air leakage, so be sure to incorporate an effective air barrier into the design. Gi...

Posted by Les P Dec. 11, 2017, 2:21 p.m. Foundations and Basements 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