Quote:
Originally Posted by javadog
Long story short, you want the least amount of resistance on both the supply and return sides. In my world (commercial construction), we don’t use that flexible ductwork. In my opinion it’s crap and it gets used in the residential world because it’s cheap and easy, compared to making and installing sheet metal ductwork.
Anything you can do to shorten the return path, or straighten it, or make it larger will help.
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Cool, that was my thoughts - I just wanted to confirm it with the experts. I actually think perhaps the whole system has been "broken" since it was installed. I never noticed it until the whole system shut down the other day due to "repeated faults", which may have kicked it over the edge with a somewhat dirty filter. I.E. when I installed the new filter, it didn't start working property. Also, the thermostat (which is one of those newer wifi ones) told me "there might be something wrong with the heater because I've been calling for heat for the past two hours, and the temperature has dropped 3 degrees". Pretty clever design I thought. Although by the time I saw the message, the heater had "cycled" and started up again, and the temps were okay, so I shrugged my shoulders and ignored it (this was last year).
-Wayne