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 ...

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 ...

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 ...

“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 ...

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 ...

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 ...