Air conditioning / Guides

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...

Reducing the need for air conditioning
Heating and cooling

How to keep homes cool without air conditioning

...air conditioners is blown into the street making air conditioning units another big player in pushing up urban temperatures. If you either want to (or have to...

Heat pump hot water heaters, why they're a good idea
Plumbing and water heaters

How heat pump hot water heaters work and why you should get one

...air conditioning as it removes heat from the air to generate hot water and produces cooler air for in the home. Where there is hot humid air, which is usually t...

Warm light and dimmable LED bulbs

All about LED bulbs - video

...air conditioning system work harder. Compact fluorescent bulbs (CFLs) were a great stop along the way but have passed their usefullness in our opinion. CFL bulb...

The difference between air barriers and vapour barriers
Air and vapour barriers

The Difference between air barriers and vapour barriers

...air barrier is to stop air leakage through differences in air pressure. A wall system should have one vapor barrier, but can have many air barriers. A vapor bar...

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

...air; Polyethylene vapor barriers in combination with air conditioning in homes can rot walls because of the condensation they may cause. This is why if you've a...

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

Ventilation & air exchangers

...air rises, forcing air out the top portion of your home and drawing in cold air from the bottom to replace it. How much air will be changed depends on how well-...

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

Balancing air pressure in a house: "Your house sucks." "Oh yeah? your house blows!"

...air conditioning. Negative air pressure in summer will draw air in and increase either your cooling costs or your discomfort. There is also a minor durability...

Geothermal Heating Systems
Heat pumps, geothermal and AC

Geothermal heating for Homes in North America - Does it work & will it save money?

...air conditioning, only heat is not simply ejected into the outside air, but rather deposited deep in the ground for future use. The result is guilt-free air con...

What is a heat pump
Heat pumps, geothermal and AC

Heat pumps: what they are and how they work

...air into your home. Heat pumps are also quite versatile; they can be used to heat incoming air from the outside, or as an air-to-water heat pump for generating ...

How to Choose between an HRV and ERV system

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...