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u/Head_Philosopher_IC

Image 1 — "Downgrade" from merv 12 to merv 8.
Image 2 — "Downgrade" from merv 12 to merv 8.
Image 3 — "Downgrade" from merv 12 to merv 8.
Image 4 — "Downgrade" from merv 12 to merv 8.
▲ 1 r/hvacadvice

"Downgrade" from merv 12 to merv 8.

Is this the right move to extend the longevity of my heat pump, air handler and its components? My upstairs, new variable system uses 20x20x1 and 12x12x1. My downstairs, single stage uses 14x20x1 and 12x12x1 for the return air filters.

u/Head_Philosopher_IC — 5 days ago