Which equipment components need cleaning?
Furnace and air-conditioning cleaning can involve separate components, and the equipment installed in a home determines what access and care are appropriate. For a St. Marys project, identify the furnace or air-handler model if possible, note whether central cooling is connected, and photograph accessible components without removing panels. Ask which blower, evaporator coil and heat-exchanger surfaces are included, how controls will be protected, and what reassembly checks are part of the proposed scope.
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