Carbon monoxide / Guides

How to Choose between an HRV and ERV system

Choosing between an HRV and an ERV

...carbon monoxide and methane to name but a few), toxic chemicals like formaldehyde in building materials and furnishings continue to off-gas for many years after...

Condensation on windows in our homes - why is it there? - how to stop it?
Walls and Roofs

Condensation on windows is a pain but is it a problem & how to stop it?

...carbon monoxide. None of these are good in homes or our lungs or bloodstreams, so either choose a different heat source where possible, like a nice wood burning...