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How do I change my AC/furnace filter(s)?
QUESTION:3 years ago, I had a complete HVAC cut-in on my house. They installed a
Lennox 12ACB air conditioner, a Lennox G40UH gas furnace, and an
Aprilaire 2400 air cleaner. The systems all run great, but I've never
changed any filters. Where are they is the question? I see that the
Aprilaire one is easy to change. Is there also one on the A/C or
furnace unit?
ANSWER: I have manuals for the furnace, the AC, and the air cleaner. Only one
that even mentions a filter is the Aprilaire Air Cleaner, which is
installed in-line with the units. I'm guessing that's the only filter I
need to change.
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