Summer 2023 has been a doozie, hasn’t it? And the season isn’t over yet.

July was the hottest month globally since records have been kept, and likely, the hottest in 120,000 years, according to Scientific American.[1]

A new report just published by the American Council for an Energy Efficient Economy (ACEEE) highlights that pairing residential heat pump heating and cooling systems with air sealing and insulation will reduce likely increases in customer costs and strain on the electric grid. The report’s message is timely as states prepare to implement two key...

In part one of this post, guest contributor Jeremy Begley talked about why equipment replacement without any kind of thermal measures was rarely done. In part two this week, he details why that's the case.

Way back in the late 2000s, when I first took my BPI Building Analyst training and got into home performance, one of the first lessons I can remember learning was the importance of working through the proper order of operations. Things like "always seal the high and low bypasses first" and "air seal then insulate because the pressure boundary and...