airtight-fireplaces / Green Building & Sustainable Home Renovation Information & Advice

Wood Burning Inserts & Stoves - which are best & which burn cleanest? Reading the specifications to find the best wood burning fireplace inserts or wood stove can be rather complicated, so how do you choose? Let's shake loose the important points from all the technical jargon and make the process a bit more enj...

Approximately 100 times more water vapor is carried into our walls by air leakage than is carried by vapor diffusion. That makes air barriers 100 times more important than vapour barriers, so why is no one talking about them? We don't talk about air barriers because we are too busy talking about vapor barriers. An air ...

The cleaner burning process (than diesel fuel) and price has made heating and cooking with natural gas quite popular in the last couple of decades. However, popularity put a pretty heavy dent in supply, so much so that alternative sources are being explored to meet demand. There are some potentially greener sources of ...

Air Tightness in Houses - All about Balancing Air Pressure in the Home We go on incessantly here about the importance of air barriers in home construction to reduce air leakage, but no matter how hard you worked to make a house airtight, if the pressure isn't balanced you will be sucking air in or forcing it out and, d...

Understanding how firewood burns, the technical details Stage 1: The Evaporation of Moisture – otherwise known as “getting the d@mn thing going” If you’ve ever tried to burn wet or unseasoned wood in your fireplace you’ll know how very frustrating this stage can be. Gathering crumpled paper, kindling, an armful of smal...

Having a backup heat source that can operate without electricity should be an important consideration for many homeowners in colder climate zones, especially those who rely on a heat pump or electricity as their primary source of heat. In this guide, we will explore the various factors that can influence the need for a...

Have you ever noticed that at times you can feel cold in your home even though the air temperature is exactly where you like to keep it? That's because, contrary to what most of us think, air temperature is not the main factor that determines human comfort in a building. To illustrate a point, let's start outdoors. I m...

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 prevent mold and mildew, and they did that very well. Cost and comfort had us adding insulation, but not necessarily sealing our walls. The folly of this was quickly re...

What is Passive House certification? The term “Passive House” was once obscure jargon used solely by construction engineers & technically-minded home designers, but now "certified Passive House" is being increasingly specified by construction professionals and homeowners across North America. The concept of Passive...

How to protect indoor air quality from smoke during wildfires in homes with HVAC? As we move towards summer in Canada and the USA, we're hoping that last years wildfires are not going to be as bad again this year - but unfortunately in areas like Calgary and the North East of the USA, there have already been air qualit...

A resilient home for Sustainability Northern Quebec isn’t a place where one might expect to look for a model of resilience. It’s bone-chilling cold in the winter with 10,450 heating degree days per year (Fahrenheit degree-days, base 65°F); there isn’t all that much sunlight in the winter, and Quebec—let alone northern ...