This HVAC central unit was installed in 1991. No maintenance service ppl have ever opened the evap door or foamed out the condenser.
I just opened the evap door and I see that there is NO access to below the coils. Not even from the air handler/furnace. So, I cant even see them. Is it useful to still spray the top side of coils with the cleaning foam? I could only spray 2 of the three coils.
Ive read yearly service should include:
"The underside of the evaporator should be cleaned with a...
HVAC evaporator service problem?
I just opened the evap door and I see that there is NO access to below the coils. Not even from the air handler/furnace. So, I cant even see them. Is it useful to still spray the top side of coils with the cleaning foam? I could only spray 2 of the three coils.
Ive read yearly service should include:
"The underside of the evaporator should be cleaned with a...
HVAC evaporator service problem?
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