What Does Furnace Tune Up Include - Tightening and checking all wiring and. Signs that you may be. Cleaning and inspecting the blower motor and fan blades. To help you benefit from furnace maintenance, an hvac contractor should include the following 7 steps in a. This step is crucial to ensure your furnace is. Checking gas connections, the gas pressure, the burner combustion, and the heat exchanger. The expected lifespan of a furnace.
Signs that you may be. To help you benefit from furnace maintenance, an hvac contractor should include the following 7 steps in a. The expected lifespan of a furnace. This step is crucial to ensure your furnace is. Tightening and checking all wiring and. Checking gas connections, the gas pressure, the burner combustion, and the heat exchanger. Cleaning and inspecting the blower motor and fan blades.