Home humidity / Green Building & Sustainable Home Renovation Information & Advice

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

Choosing between an HRV and an ERV

...humidity from the air being extracted to the incoming fresh (and dry) air to help keep the ambient internal humidity level at a reasonable value (between 40 and 60%) at all times. In summer, the humidity transfer in an ERV reverses and the humidity in outside air is removed before it is injected into the home. This sav...

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

Maintaining healthy indoor air quality

...homes is a bad sign, so how to get rid of it or prevent mold in drywall? Mold and mildew in homes develop in conditions of high humidity, most often in bathrooms, kitchens, and basements, unless caused by roof leaks and other building envelope failures. Along with affecting the durability of your home, mold and mildew ...

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

Ventilation & air exchangers

...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 require mechanical ventilation systems to remove moisture...