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

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

We cannot overstate the importance of airtightness in homes and attic rooms. A proper air barrier reduces heat loss in winter, overheating in summer, and prevents moisture build up in walls which can lead to mould and rot. We recently had a chance to try out a product that at first sounds too good to be true, but one t...

The difference between air barriers and vapour barriers
Air and vapour barriers

The Difference between air barriers and vapor barriers

The difference between air barriers and vapor barriers The job of a vapor barrier is to prevent vapor diffusion, and the job of an air barrier is to stop air leakage through differences in air pressure. A wall system should have one vapor barrier, but can have many air barriers. A vapor barrier can act as a very effect...

Air barriers are essential to a properly functioning wall system
Air and vapour barriers

What is an air barrier?

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 ...

Blower Door Tests - What's the Cost & Who Does Them?
Air and vapour barriers

What is a blower door test? What's the cost? How do you find a company to do one?

What is a blower door test? Blower door tests are becoming part of many State and Provincial mandatory building codes - the new BC Energy Step Code in British Columbia, Canada is one example.  A blower door test is often an essential part of a home audit, we don’t know for sure just yet if it will be part of the free h...

How to Fix a Leaky or Dripping Faucet Easily
Bathrooms

How to fix a Leaky Faucet for under $1 (and stop that tap dripping!)

Why fix leaky faucets? One of the jobs that sat on my honey-do-list for quite a while longer than I care to admit has been to fix the leaky and dripping older-style faucet in the bathroom at the cabin - made worse by us being off grid and only having a finite amount of rainwater available in our outside catchment tank....

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...

Exterior air barrier membrane © Ecohome
Air and vapour barriers

How to install an air barrier for reduced air leakage - video

The Ecohome Demo House has a vapor permeable exterior air barrier, and with an ACH rate of .69 it is  several times more airtight than the average new home. Air leakage can be responsible for up to 1/3 of the total heat loss of a home and cause significant moisture damage in walls, as one small hole can be responsible ...

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

Ventilation & air exchangers

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...

Smart sewage backup device
Plumbing and water heaters

Sewage backup flood prevention and water leak notification on your device - our products of the month

Preventing flood damage in basements is a hot topic as we are regularly seeing the effects of climate change in the form of extreme weather events and unpredictable weather patterns. Snow melt combined with torrential spring rains can lead to very high water tables and consequently, sewage backflow is an increasing dan...

Heat Recovery Ventilation - Lunos video
HRV and ERV

Lunos ductless air exchanger

Almost daily, new products come on the market that are more efficient, more effective, and/or more innovative. The ones we are really impressed with will make it here to our product of the month feature. Today we look at a new solution for changing the air in your home while maintaining excellent energy efficiency in h...

The Best Electric Car - Discover which EV is best for You
Lifestyle, location and commuting

The Best Electric Car - Discover which EV is best for You

Buying an electric car (or EV) is on the increase For a lot of people though there's a nagging question in the back of everyone’s mind - When is the right time to make the switch to an Electric Vehicle - & which is the best EV? Over decades, and even more so over the last few years, the purchase prices of EV's cont...