Can a house be too airtight / Guides

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

The Difference between air barriers and vapour barriers

...ater vapor that can pass through a ripped and torn vapor barrier is insignificant as long as the air seal is intact. Can a house be too airtight? No it cannot...

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

What is an air barrier?

...at can act as air barriers are drywall, sheathing, insulation, house wrap, even the polyethylene we normally install as a vapour barrier can act as an effective...

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

Ventilation & air exchangers

...ast 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, an...

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

Balancing air pressure in a house: "Your house sucks." "Oh yeah? your house blows!"

...aws of physics are pretty ironclad and have yet to be defeated, but there are some fronts where you can actually make a difference. Duct leakage: Air leakin...

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

...as there are too many variables to be able to do that accurately. But to give a reasonable ballpark cost, according to Patrick Rouleau, "we are talking about a ...

Pre-fabricated straw bale SIPS panels, an environmental choice
Wall assemblies - new construction

Modern straw bale SIPS construction: high performance, durable, affordable & interesting

...about, and Straw Bale SIPS are big winners in that arena. Straw is a natural and non-toxic material; raw wood and concrete are equally benign, so this could be ...

Ssolar air heater
Solar thermal collectors

All about solar air heaters - DIY or purchased

...ar air heaters work: Solar air heater diagram © Ecohome The above diagram indicates the basic concept of a solar air heater, and while there are many de...

Tips for finding a reliable green home builder
How to Find Qualified Green Building Professionals

How to choose a home-building contractor

...at is accessible to all of us. And just because someone has been building homes for a couple of decades does not automatically mean they understand all the issu...

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

Choosing between an HRV and an ERV

...at the industry is always evolving, as are opinions and what qualifies as the latest 'best practice'. In Canada, the ventilation capacity is prescribed accord...

Passive House certification - PHI or PHIUS? The Spring House Passive House
Passive House

Everything you need to know about Passive House certification

...ation bodies in the US, PHI (Passive House Institute) and PHIUS (Passive House Institute US) and for Canada there is Passive House Canada and the Canadian Passi...

Choosing the right firewood
Wood stove and biomass heat

Burning the right firewood for maximum heat output and minimum environmental impact

...and seasoned and are in alphabetical order: American beech Apple Ironwood Red oak Shagbark hickory Sugar maple (Music to eastern Canadian's ears!)...

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