The Ultimate Furnace Maintenance Quiz
by Staff
Furnaces need proper maintenance to operate efficiently. Knowing how to maintain your furnace will help you preserve your equipment and save money in running costs. Take this quiz to see how hot your furnace maintenance knowledge is.

If your furnace turns on and off repeatedly, what mechanism may be faulty?

  • thermostat
  • pilot light
  • blower

If your furnace does not turn on, what should you do first?

  • Check the power source.
  • Call a technician.
  • Change the filter.

What may indicate a problem with the furnace's electrical system?

  • blown fuse
  • unit turning on and off
  • unit not turning on

What should you do if you smell gas inside your home?

  • Leave the house.
  • Call the gas company or fire department.
  • both answers

How often should you service your furnace?

  • twice every year
  • every year
  • every two years

When is the best time for a quick service call at a possible discounted rate?

  • when no discounts are offered
  • when the weather is coldest
  • when the weather starts to warm up

What else should you have checked when you service your furnace?

  • air conditioner
  • hot water heater
  • fireplace, chimney and flue

What is the nemesis of heating and cooling systems?

  • dirt
  • mold
  • mildew

What is most important maintenance step of furnace maintenance?

  • cleaning
  • lubrication
  • belt adjustment

What effect does dirt have on a furnace?

  • waste fuel
  • increase efficiency
  • blow fuses

The three parts of a furnace are the filter system, blower and:

  • blower motor
  • thermostat
  • fuse box

How often should you change the furnace filter?

  • before you start heating your home for winter
  • once a month during continuous use
  • both answers

Which direction should the arrow printed on the filter point?

  • toward the blower
  • away from the blower
  • toward the return-air duct

What is sprayed on a permanent filter?

  • filter-coating chemical
  • paint
  • anti-rust material

If your furnace blower motor does not have oil ports, how often should you lubricate?

  • not required
  • yearly
  • bi-annually

What should you do if furnace belts are worn or frayed?

  • Replace worn belts only.
  • Replace frayed belts only.
  • Replace worn or frayed belts.

What is fan belt dressing used for?

  • prevents fan belt wear
  • prevents fan belt fraying
  • prevent fan belt squeaking

To replace a furnace belt, what tool will you need?

  • screwdriver
  • wrench
  • hammer

If required, how often should you lubricate your furnace?

  • monthly
  • yearly
  • bi-annually

How much oil should you use when lubricating your furnace?

  • one to two drops
  • two to three drops
  • one-fourth cup