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 ...

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 ...

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 ...

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 ...

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 ...