Air and vapour barriers
What is a blower door test? What's the cost? How do you find a company to do one?
...air you paid to heat leaks out, cold, dry air is pulled in, forcing your furnace to work overtime.
In the summer, the reverse happens: hot, humid outdoor air infiltrates your house, making your air conditioner work much harder not just to cool the air, but also to remove the extra moisture. Sealing those leaks means si...
