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 ...

It helps you determine what it will cost to heat, and what you should do to seal it up. When Greening Homes did the blower door test on my 100-year-old house before we renovated it, they couldn't even ...

Energy codes are emerging or being updated nationwide. As air leakage testing becomes a requirement, some testers wonder what value it adds over informed visual inspections. Arguments about equipment ...

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 ...

With winter upon us, a favorite gadget of CNET's Martin LaMonica is a blower door, a green building tool for measuring air flow and finding leaks. Martin LaMonica is a senior writer covering green ...

Leaky joints or cracks in a building can lead to heat loss. Homeowners who want to detect such energy leaks in their home can use a proven method called thermography. Thermal images show where heat ...

“There are contractors doing the blower door test already -- we’ve had our blower door for 26 years,” said Paul Tschida, Residential Energy Program specialist for the Montana Department of ...

In the last few weeks, we have been explaining the advancements achieved in the energy efficiency of new homes. A wisely planned renovation can also provide significant efficiencies in an older home ...