chimney-effect / Green Building & Sustainable Home Renovation Information & Advice

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

Airtight Construction of Homes is Essential: "Your house sucks." "Oh yeah? your house blows!"

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...

Climate change impact of diet
Lifestyle and environment

how your diet affects climate change

How does diet affect climate change? Dwindling water is the next big global resource crisis looming over us, and soil depletion isn't far behind. Living in a green home doesn't instantly equate to a low-impact lifestyle, if for example you have a long gas-powered daily commute and you eat a 12 ounce steak every night. ...

Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope - starting with the perfect wall

What is the best wall system for a home?  We're frequently asked which is the perfect wall system for high-performance LEED, Passive House or Zero Energy Homes, Well, a perfect Answer to that Is, first Ask the Right Questions! - After all, what is the best way to get from one place to another?  You have to choose betwe...

Net Zero Energy homes Edmonton Alberta
Off-grid and Net-Zero Housing

Net Zero Energy house in Edmonton, Alberta

This project, affectionately referred to as Belgravia Green, is a collaboration between home owners, local experts and Effect Home Builders. Together they are pushing the envelope to design and build Net Zero Energy homes that produce as much energy throughout the year as they consume. Net Zero Energy home © Eff...

R values and insulation performance
Efficient home design

Understanding thermal performance

First published in ecoHouse Canada The thermal performance of wall assemblies and insulation products has long been characterized using R-value, a metric which describes thermal resistance. While R-value is useful, it doesn’t tell the whole story about heat flow through building enclosures such as walls and roofs. Rece...

Reflective window film to reduce overheating
Windows and doors

Product feature: window film treatment to reflect heat and lower air conditioning bills

After a difficult first half to 2020, heat waves then took hold across North America, from Canada down into the Southern and Central USA. These extreme summer temperatures pose a very real health risk to the most vulnerable members of society.   There are some tips to help keep a home cool during a heat wave, but faced...

Radon in Homes - Mitigation

Removing radon gas from well water

It is a very wise idea to have the air of your home checked for high levels of radon gas. Health Canada has identified exposure to radon gas as the second leading cause of lung cancer after smoking, estimated to be the cause of 16% of diagnosed cases in the country. A high reading may come, not from having a uranium so...

Crawlspace radon barrier installation for radon mitigation
Radon in Homes - Mitigation

Removing radon gas from basements and crawlspaces

Radon Gas in Crawlspaces & Basements - why is it a problem? Radon gas was not high on the radar of builders and home owners over the last few decades, but as it is the second leading cause of lung cancer (after smoking) in the USA & Canada, it is quickly becoming a household term. Many newer homes will have rad...