Airtight homes / Guides

Problem areas of air leakage in a home and blower door test being cond
Air and vapour barriers

Airtight Construction of Homes is Essential: "Your house sucks." "Oh yeah? your house blows!"

...airtight, if the pressure isn't balanced you will be sucking air in or forcing it out and, despite your efforts, making the inside environment all the more like...

Condensation on windows leads to mold & mildew in homes, ERV & HRV systems help
Ventilation

Ventilation & air exchangers

...homes, and condensation on windows was common place and hard to stop . This led to a build up of mould and mildew in homes. Modern day airtight homes need mecha...

Net Zero Homes - Canada's first certified Net Zero House in BC
Green building certifications

The first Net Zero-labelled homes in Canada

...homes, as well as deliver the required training for building significantly more energy efficient homes. Building science training is mandatory for participati...

Wildfire Smoke & How to Keep it Outside Homes
Healthy indoor air quality

How to keep wildfire smoke out of Green Homes with mechanical ventilation systems?

...airtight building envelope Buildings benefit from an airtight envelope, since it allows better control over indoor air quality . Airtightness also improves en...

Leed platinum plaque
Green building certifications

All about green home certification programs & rating systems for USA & Canada

...Homes: ENERGY STAR promotes guidelines for energy efficiency in new homes resulting in homes that are at least 20% more efficient than homes built to provinci...

Radon Mitigation - Installing a radon evacuation stack in a slab floor
Radon in Homes - Mitigation

Mitigating radon gas in homes

...homes are being constructed, it becomes a bit more tricky retrofitting older homes. Radon testing should be carried out in all homes While many people rely ...

Pre-fabricated straw bale SIPS panels, an environmental choice
Wall assemblies - new construction

Modern straw bale SIPS construction: high performance, durable, affordable & interesting

Straw Bale Homes, are they any good? Traditional straw bale home construction can be a low-tech and affordable route to a very ecologically responsible home ...

Preventing radon gas in homes starts with testing for radon - the only sure way
Radon in Homes - Mitigation

Radon Gas Awareness - Up to 10% of North American homes tested have unsafe radon levels

...airtight environment we are exposed to much higher levels than in the drafty homes of the past. In North America, combined figures from the EPA and Health Canad...

Net Zero Energy Home ZNE in Edmonton Alberta
Off-grid and Net-Zero Housing

Award winning Net Zero house in Edmonton Alberta Leads the Way

...Homes here Or Take a Tour of other Green Homes here Project Credits: Architects The design is a collaboration between De Waal Developments and Designex Co...

Air barriers are essential to a properly functioning wall system
Air and vapour barriers

What is an air barrier?

...homes can: Increase heating and cooling costs Cause moisture damage in walls Allow pollutants and debris to collect in wall interiors provide openings...

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

What causes ice dams and how to fix them

...airtight pot lights . Existing buildings - build a drywall box above pot lights (done from above). We recommend using drywall because it's airtight when seale...