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I used to skip sealing attic penetrations until I counted 14 gaps on one Fort Worth job
I always figured attic can lights and top plates were a waste of time because heat rises anyway, so why bother. Last month on a rewire in Fort Worth I ran a blower door test with the homeowner and found 14 unsealed can lights plus a couple open top plates. That one house was leaking about 380 CFM, which is like leaving a window cracked open all winter. The homeowner showed me her energy bill before and after, it dropped $68 a month just from foam and caulk. I spent maybe 3 hours up there and now I do it on every single install. Has anyone else had a customer actually track the savings, or am I the last guy to figure this out?
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rosel833d ago
So how did she actually track that $68? Like did she show you two full months of bills side by side, or was it one bill before and one after? I ask because weather swings here in Texas can mess with that math hard, one mild month and you'd think you just invented free energy lol. Also was the $68 from the attic work alone, or did she get new windows or a tune up on the AC around the same time? I've had a couple customers swear the bill dropped, but when I looked closer the temps were like 15 degrees cooler that month. Not saying your numbers are wrong, 380 CFM is a real leak. Just wondering how solid the before and after really was.
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