I want to do some cosmetic surgery on my air return.
My home is around 40 years old in the Bear Creek area. My a/c system is around 8-9 years old. My question is related to the return grill for my a/c system. The size of my return vent is a 20×32. I am looking to reduce the size of this opening from the 20×32 to a 20×24. It’s easier to find filters in the latter size. What I want to know is will reducing the size of opening that much put additional strain on my system?
Steve
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