air-quality / Green Building & Sustainable Home Renovation Information & Advice

Mold in 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...

Is polyurethane floor seal non-toxic? In North America, polyurethane varnish is used almost exclusively as a wood floor finish, but the majority of them are high in VOC's which are detrimental to interior air quality and health. For this reason non-toxic wood floor finishing oils are gaining in popularity. There are a ...

Carbon monoxide prevention and detection: protecting your air quality from dangerous gases Carbon monoxide (CO) is often referred to as the silent killer in homes because it is an odorless, colorless, and tasteless gas that can reach lethal concentrations inside a home without occupants ever realizing it. For homeowner...

Prefab LEED Platinum kit house in Montreal   Ellen and Roman Szumski earned LEED® Platinum certification for their home in Labelle, in the Laurentian Mountains of Quebec and EcoHome took a look. LEED is a point-based green building rating system, so we must emphasize the exceptional performance of this house, particula...

Indoor air quality monitors: a homeowner's & pro's buyers guide You wouldn't buy a car without a dashboard, so why live in a home without a window into its air quality? Indoor air quality (IAQ) is the invisible dashboard of a home's health, telling you what you're breathing and how your home's systems are performin...

It is well-documented that the indoor air in homes is filled with contaminants, mostly due to cooking (specifically burning) and improperly vented combustion appliances like woodstoves and gas ranges. Other significant sources include formaldehyde, VOCs, and chemicals from building materials and furnishings. In recent ...

Construction is a dirty business, and living in a home under renovation can aggravate asthma and other respiratory illnesses, it can also lead to issues developing that people didn't suffer from before. Air that is full of dust and chemicals can cause respiratory irritations even among adults who don't suffer from such...

Do house plants clean indoor air? The idea that house plants filter and clean indoor air is at best a mini-truth, and at worst a total myth, and like any pseudo-science health trend, it can have a negative impact as well. Providing false solutions to human health issues gives people a false sense of security. Having pl...

What are home air filters used for?   Air filters on air handling units such as furnaces, HRV, and ERV systems are intended to clean and purify the air before it enters the ducts of your home, to protect indoor air quality from being contaminated with airborne particulate. Dust, dirt, and pollen in the air of homes are...

In order to ensure comfort and get the most from the various systems of our house air needs to move around. Our air source heat pump and our heat pump water heater work together in boosting the efficiency, and the ceiling fan is a big part of making that happen. This video explains the relationship between those syste...

Given that we spend about three quarters of our time indoors (counting both home and work), it is essential that we work to ensure clear indoor air quality. Contrary to what many people believe, indoor air is often more polluted than outdoor air. How is inside air worse that outside air? The air you breathe inside orig...