When HVAC contractors expand into home performance, they often experience a steep learning curve as they discover the new tools they need to add to their fleet. One tool considered an absolute ...

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 ...

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 ...

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