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 ...

Q: We’ve had a couple of contractors come to our home and talk to us about energy-saving ideas. They’ve both said we need a blower door test. Is this some kind of gimmick or would it really help us? A ...

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 ...

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 ...

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 ...

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 ...

Can a house be too airtight? In this video, we perform a blower door test on one of our most airtight builds to date and explore the benefits and potential concerns of extreme airtightness in ...

“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 ...

Garfield County recently adopted a building code that requires a blower door test to be performed on all new homes to check air-sealing and ventilation, a county news release states. Called the 2018 ...

As the thermometer edges upward, few homeowners would think of leaving a window wide open while running the air conditioner. But Mike Scott found the equivalent of a 3-square-foot hole when he got an ...