What are the main steps in a gas furnace maintenance? I'm going to call a tech out to do a maintenance before we get into winter, but I want to make sure he covers everything... (last hvac tech who came out on a no-cool at my house only checked charge level, when the real problem was a dirty evap)
A forced air furnace clean and check:
Remove and clean burners and pilot
Condition of flames
Visual check heat exchanger
Electronic CO test
Vacume and clean in and around furnace
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Tnx. I'll make sure this all gets covered when the tech comes out.