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The Ultimate Furnace Cleaning Quiz
by Staff
Your furnace has the tough job of continuously keeping the air in your home warm. Your furnace, therefore, requires some tender loving care for continued efficiency. Not only should you change or clean your furnace filter regularly, you should also clean the interior of your furnace.

Regular furnace cleaning can reduce your energy costs by:

  • 1 to 5 percent
  • 5 to 15 percent
  • 15 to 20 percent

What do you need to clean a permanent furnace filter?

  • a sink and a vacuum
  • a hose and scrub brushes
  • both of the above

What is the most important part of the furnace that needs regular cleaning?

  • the filter
  • the burners
  • the pilot

How often should you clean your furnace?

  • every six months
  • once a year
  • every two years

What should you do after you cut off your furnaces electricity and/or gas?

  • Check for overheating.
  • Perform a visual inspection of the furnace.
  • both of the above

How do you clean a furnace?

  • Vacuum the inside of the furnace.
  • Clean the surface of the furnace with a brush.
  • both of the above

How do you clean a outdoor furnace unit?

  • with a garden hose
  • with a rag
  • both of the above

What is the purpose of coil cleaner?

  • to easily clean the coils on an outdoor furnace unit
  • to clean the burner coils of an indoor furnace unit
  • both of the above

What part of the furnace should be cleaned with a toothpick or toothbrush?

  • the coils
  • the burners
  • the area where the filter sits

How often should a furnace be oiled if it has oil ports?

  • every six months
  • every year
  • every two years

Besides reducing your heating bills, what's another advantage of regularly cleaning your furnace?

  • reduces the risk of carbon monoxide poisoning
  • reduces the risk of a house fire
  • both of the above

Why does your furnace need to be dry before you turn it back on?

  • A wet furnace does not work properly.
  • You can cause an electrical short circuit.
  • The furnace will send water through the vents.

What should you wear when cleaning your furnace?

  • safety boots
  • a mask
  • an apron

What tool from your toolbox will you need to clean your furnace?

  • a screwdriver
  • pliers
  • a hammer

How much does it cost for a professional to clean your furnace?

  • under a hundred dollars
  • around a hundred dollars
  • hundreds of dollars