Most heating and cooling contractors have some familiarity with the blower door device - that big fan the weatherization guys and insulators plug into the doorway that sucks air from a home in order ...

You spend precious pennies on your power bill every month. You may not realize pennies are wasted when your home isn't properly sealed. So how do you know if your home is airtight? One way is to give ...

Anyone thinking of buying a house or building one should consider having a blower door test performed. It will help determine the cost of future energy bills. The blower door test is a diagnostic tool ...