Asked by: Valmir Facchinetti
asked in category: General Last Updated: 26th April, 2020

How do you clean the inside of a furnace?

How to Clean a Gas Furnace
  1. Turn off power/gas to the furnace. Turn off power to the furnace at the breaker box.
  2. Clean furnace surfaces. Wipe exterior surfaces with a damp rag.
  3. Remove the blower.
  4. Carefully clean the blower.
  5. Clean the pilot or hot surface igniter.
  6. Clean the flame sensor.
  7. Inspect the drive belt.
  8. Lubricate (but not too much).

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Moreover, what is included in a furnace cleaning?

The most important items on the furnace tune-up checklist include: Cleaning — The outdoor unit, blower, fan blades, and drain line all tend to get dirty and dusty over time. Inspection — We look for cracks, wear and tear, and other signs of future furnace problems.

Also, what do they do when servicing a furnace?

  1. Check the heat anticipator settings.
  2. Test the burners, limits, and blower.
  3. Pull, clean, and inspect the burners.
  4. Test the hot surface igniter.
  5. Clean pilot assembly, pilot orifice, and the sensor.
  6. Replace the thermocouple if needed.
  7. Vacuum the combustion chamber.
  8. Inspect the heat exchangers.

Subsequently, one may also ask, do furnaces need to be cleaned?

A professional should clean the blower assembly on your furnace at least yearly. If the furnace has a squirrel-cage fan, cleaning the blower assembly is all the more important. That's because the openings in this type of furnace tend to become clogged with dust and dirt.

How long does a furnace cleaning take?

1-2 hours

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