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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Can a house be too airtight? In this video, we perform a blower door test on what may be our most airtight build yet. We discuss the benefits and potential concerns of extreme airtightness in ...

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 ...