I have two duplex's 1 is brand new and the other was built in 96. I had Airstream clean all 4 duct systems and am very happy I did. The new one had a ton of sheetrock dust and screws in it from construction while the other... Probably hadn't been cleaned since it was built. Needless to say the result is happy tenants and happy owner (me).
I was charged a fair price and have already recommended them to a buddy.
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