Derek Cole explains how duct systems lose about 10% of energy through air leakage. Metal ducts avoid fiberglass fibers but create joints that are hard to seal with mastic and tape. AirSeal, a pressure-driven aerosol technology, automatically finds and fills leaks more thoroughly than manual sealing methods.
Go with the round number, say it's 10% leakage. So you're leaking 10% of the energy you're paying for out of that new duct system. So if you seal it, you can get down to zero, right? So if you get to zero, that's obviously more efficient than losing 10, right? So that is why you want to seal the new duct system. Now in this area, we see a lot of duct board, fiberglass duct system. Again, that is bad for your lungs, bad for your health. So we go back and we install metal duct. That way you're not breathing in the fiberglass any longer. The downside to installing that metal duct is that you have joints, and no matter how much you try to seal it manually on the way there, you seal it, seal the joints on the outside with mastic, you seal it up with tape, you seal it up with insulation, you seal that up on top of the mastic and tape. Still, you're at 10% leakage because there is no way a human being can actually seal all the places that air flows. Now, with duct sealing with the AirSeal, it works on pressure. There is not— it's an aerosol. There's not a human being, you know, putting mastic and painting it on the joints. No, it's a machine. It's all controlled by this aerosol spray. It's working on pressure and it's filling the holes as it finds the leaks. So that is the most efficient way to do it. If you're okay with 10% leakage and wasting 10% of your energy bill, that's cool, just keep doing it. But most people are not.
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