Air leaks / Guides

Frost in Attics: What causes Attic Ice? How to Fix it?
Roof assemblies - renovation

Why is there frost in my attic? Is ice in roofs a problem & How do I stop it?

...air leaks and add insulation. In the unfortunate situation of having no air barrier but a truss system that makes a poly air barrier impossible to install from ...

When should you replace windows
Windows and doors

When should you replace old windows?

...air leaks, so having airtight windows may be only a tube of caulking away. The first step would be determining from where exactly air is leaking. Keep in mind...

Thermal image showing where home heat loss is occurring.
Insulation and soundproofing

How insulation works

...air leakage, heat loss occurs in two ways : 1 - As warm air leaks out it is replaced with cold air, and 2 - if you think of the 'wind chill' effect, a drafty ...

Techniques for reducing sound transmission in buildings
Insulation and soundproofing

Controlling sound transmission in buildings

...Airborne sound: Sound such as voices, TV or stereo sounds. The source does not strike or vibrate against the structure of the building. Structure-borne soun...

Condensation on windows in our homes - why is it there? - how to stop it?
Walls and Roofs

Condensation on windows is a pain but is it a problem & how to stop it?

...leaks! – Any pipes carrying water in the house, both delivery of hot and cold or heating and evacuation, should be checked for leaks and any leaks fixed promptl...

Ice dams on roofs & how to fix them
Roof assemblies - renovation

What causes ice dams and how to fix them

...air leaks, as it passes by the bulbs, this heated air magnifies the problem. Snow: this may be hard to wrap your head around, but snow has an R value of betwe...

The LEED rating system
LEED Homes

The LEED rating system

...air leaks before drywall is installed, so any necessary air seal repairs can be made. Minimum standards must be met for certification and points are awarded for...

The Best 10 Energy Saving Tips for Green Homes - EcoHome
Wall assemblies - renovation

Green home improvements: an energy-saving pyramid scheme that actually works!

...air out of your home and the hot air in can save a fortune in electricity costs for running aircon. The best bit? This tip is for free! Caulking: Air leaks ac...

How to Choose between an HRV and ERV system
HRV and ERV

Choosing between an HRV and an ERV

...air quality © Health Canada How much fresh air is enough? It is very difficult for humans to detect low levels of contaminants in their air , ev...

Healthy indoor air quality

The impact of ambient fragrances on our health

...air quality. Contrary to what many people believe, indoor air is often more polluted than outdoor air. How is inside air worse that outside air? The air you...

Free Energy Audits, Net Zero Home Grants & Interest Free Home Renovation Loans
Grants and incentives

0% loans & Grants for Green Home Renovations & Construction - A Boost for Canadians in 2020

...air leaks. Our Quebec office recently had a full renovation which gave us an opportunity to try an air barrier spray for sealing air leaks , and we were very im...