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airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 8391
Experience:  Furnace, A/C and heat pump specialist.
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I am replacing the filters for my Lennox A/C unit, an 8975

Customer Question

I am replacing the filters for my Lennox A/C unit, an 8975 kit. My filter cabinet is a vertical compartment. furnace left/ air duct to right. Should catalytic and filter arrows point UP?
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: The filters need replacement and system was serviced about a month ago.
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: Just whether air flow is UP with filter arrows UP
Submitted: 3 months ago.
Category: HVAC
Expert:  airheatman replied 3 months ago.

Arrows should always be pointed in the direction the air is flowing through the unit