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 ...

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 ...

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 ...

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 ...