Air exchangers for homes / Guides

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

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-sealed your home is. While natural convection will offer a certain amount of new air, with most new homes it just isn't sufficient. Properly sealed homes requ...

Heat Recovery Ventilation - Lunos video
HRV and ERV

Lunos ductless air exchanger

...air-sealed high performance home, bringing in fresh air and removing moisture. An HRV uses the heat in stale exhaust air to warm incoming fresh air. Until now, this has meant a centralized heat transfer core and a network of ducts feeding and drawing air throughout the home. With Lunos wall insert air exchangers that i...

Non-toxic building materials can improve home air quality
Healthy indoor air quality

Maintaining healthy indoor air quality

...air than humid air. If you have a mould problem, clean it with detergent. But mould will always come back unless you address the issue that caused it. See our pages on ventilation and air exchangers for more information on home humidity. VOCs Volatile organic compounds form a large part of household chemical poll...

Passive House certification - PHI or PHIUS? The Spring House Passive House
Passive House

Everything you need to know about Passive House certification

...air of sandals and a pair of winter boots to an Alaskan and a Hawaiian, would it be reasonable to expect them to use each pair for six months of the year? If an equivalent amount of energy and resources went into creating the pair of boots and the pair of sandals, why not allow the Yukon resident to wear his boots elev...

Passive home designer Harold Orr, one of the original high performance homes
Passive solar home design

The principal designer of the house that inspired the global Passivhaus movement reflects on the project that started it all.

...fore it entered the tank and the soap caused the water to gel. Air lock entry at the doors. With an air tight building an air lock is not really of much value, the whole house acts as a air lock and air doesn't blow though the house because there are no holes for the air to flow through. Soffits designed to allow f...

Gas powered tankless water heaters
Plumbing and water heaters

Are tankless water heaters good?

...for standard models, and at between 91% and 96% for condensing gas storage models. Some gas-fired models can operate without any electricity. However, these are generally low-end brands that use air from inside the home (instead of outside air) for combustion. These models are not recommended because they draw in a...