Recent Q&A

• Tips for insulating and sealing around mini-split flare connections?

  Any tips for how best to seal and insulate around the flare connections off the indoor unit? For wall-mounted units both lines are usually run by the manufacturer though a…

• New NBER paper shows Weatherization Assistance Program

  Has anyone had a chance to check out this report? http://www.nber.org/papers/w21331?utm_campaign=ntw&utm_medium=email&utm_source=ntw The link is only to an executive summary, the article itself is gated. I have a full copy that…

• I air-sealed my attic too well!

  Not really, of course. But here's my story: I moved into a 1350sf ranch home (3/4 basement and 1/4 crawl) in Columbus, OH last year and have been working to…

• Running exhaust duct through unconditioned attic

  I'm currently air-sealing the ceiling of the house I purchased a few months ago. Among the issues I've encountered are two exhaust fans whose (flexible) ducts terminate in the attic.…

• Great comic related to green building speak.

  What will we run out of first - words or resources? http://xkcd.com/1007/