Uninsulated basements / Guides

Basement wall insulation
Insulation and soundproofing

Properly insulating basements and concrete slab floors

...basements built to code are still often chronically under-insulated. Current building codes vary by region and state, but what is consistent is that if you in...

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

Ventilation & air exchangers

Homes built in the last 40 years in Canada are relatively airtight . Before that we generally relied on leaky uninsulated walls to provide fresh air and preven...

Poly vapour barriers in air conditioned houses can cause mold and rot
Healthy indoor air quality

Why you should Never Install Air-Con in a Home with a Vapor Barrier

...uninsulated and they devoured the cheap energy that was available in the past, drawing in endless fresh air and removing moisture. We just kept pumping in energ...