Quote:
Originally Posted by AustinChief
Yeah, it basically is just a bunch of dampers in the ducts that open and close based on each room's temp. Which to me seems like it's the same as someone manually opening/closing registers. I just don't see why one is an accepted practice and the other is not. I have no clue if zoning is actually is a good idea... but I can't see any way that it could be ok and the other less technical method is not.
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That type of system is capable of making constant adjustments, most people aren't going to **** with their vents several times a day. They either leave them shut or open.
Plus, I'm guessing that system is costly, whereas using the blower to constantly move air is not.