HOW STUFF WORKS
QUIZZES

FOLLOW US
The Ultimate Heating and Cooling Systems Basics Quiz
by Staff
When a home's heating or cooling systems fails, most home owners do not know what to do and call for a professional. Knowing some basic information about how heating and cooling systems work may help you deal with system mishaps by yourself. Take this quiz and see how good your knowledge of heating and cooling system basics is.

What is the power source for air conditioners?

  • electricity
  • propane
  • fuel oil

A heat pump heats and _______ the air.

  • humidifies
  • cools
  • freshens

Some radiant systems depend on gravity. Why might this be a problem?

  • pipes slanting incorrectly
  • mineral clogs
  • both answers

What is the key component of a thermostat?

  • bimetallic element
  • light bulb
  • battery

Modern heating and cooling systems use what type of thermostat to control air temperature?

  • solid-state electronic thermostat
  • two exposed contacts
  • coiled bimetallic strips

How do your repair a faulty solid-state thermostat?

  • replace
  • rewire
  • reset

What is an advantage of solid-state thermostats?

  • more accurate
  • less accurate
  • breaks easily

What type of slab construction is needed for radiant heating systems?

  • concrete slab
  • wood
  • steel stumps

Climate-controlled systems have how many basic components?

  • two
  • three
  • four

What control is used to regulate heating and cooling systems?

  • thermostat
  • rheostat
  • timer device

What can be a source for warm air?

  • air conditioner
  • furnace and air conditioner
  • refrigerator

What is a source for cool air?

  • air conditioner
  • furnace
  • water heater

In homes with central air, other than cool air, what will most likely flow through the same air ducts?

  • moist
  • warm
  • stale

When using heating and cooling systems, how is air moved to the various rooms in a home?

  • forced-air
  • radiant systems
  • both answers

Forced air systems use what mechanism to move air?

  • blower
  • gravity
  • hot water pipes

Gravity systems are based on what principle?

  • hot air rising
  • cold air sinking
  • both answers

In radiant systems, what heats the water?

  • boiler
  • microwave
  • furnace

What is a common problem of forced-air systems?

  • blower issues
  • leaking ducts
  • collapsing ducts

What principle are the systems heating and cooling based on?

  • What goes up must come down.
  • Heat moves from a warm object to a cooler object.
  • Water flows from a higher level to a lower level.

In homes with central air, what does the thermostat usually regulate?

  • heating
  • cooling
  • both answers