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What should I expect from my contractor doing heating and cooling system maintenance? Follow

Look for your contractor to perform the following types of activities to keep your system running effectively:

  • checking thermostat setting
  • tightening all electrical connections
  • measuring voltage and current on motors
  • lubricating all moving parts
  • inspecting the condensate drain
  • checking system controls
  • cleaning and adjusting blower components
  • inspecting, cleaning or changing the air filter
  • checking all gas or oil connections & pressure
  • checking burner combustion and draft, and heat exchangers (on furnaces)
  • cleaning indoor and outdoor coils
  • checking refrigerant charge (on air conditioning and heat pumps).

Visit ENERGY STAR Heating and Cooling for more information.

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