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 ...

GRABEN, Germany — Ian Jack, of Blower-Door-XXL (Lemgo, Germany), was recently recognized by Guinness World Records for executing the world’s largest blower door test. Jack achieved the record using 15 ...

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 ...

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 ...

Did you know that the average home has enough air leakage to add up to a two-foot-square hole 1? That’s the equivalent to leaving a medium-sized window open 24 hours a day 1. Most homeowners would ...