Keeping Cool: Air Conditioner Quiz

By: Staff
Image: refer to hsw

About This Quiz

Are you all steamed up because your air conditioner is on the fritz? Knowing some basics about how your air conditioner works will help you keep your cool. Test yourself to see how much you know about the indispensable air conditioner.

Air conditioners can be compared to what other household appliance?

Air conditioners are basically just refrigerators, but they make the space outside them cool, while fridges keep the space inside them cool.

Air conditioners also help __________ the air.

Air conditioners also work as dehumidifiers. Less humid air feels cooler.

The __________ of your home determines your air-conditioning needs.

The size of your home determines what type of air-conditioning system is best for cooling your home.

For most consumers, what is the determining factor when purchasing an air conditioner?

Most consumers are very price-conscious when purchasing an air conditioner. A split unit, used in most homes, costs thousands of dollars.

What is an easy and affordable way to cool a small space?

A window unit is an easy and affordable way to cool a small space. Choose a window to install it in and you're well on your way to chilling out!

Why are some air-conditioning units called split units?

In a split air-conditioning unit, the noisy compressor is located outside, and the air handler is inside the home.

What is the main mechanical difference between a window unit and a larger split unit?

There is no significant mechanical difference between a window unit and a larger split unit; they both operate the same way.

What part of the air-conditioning unit helps to clean the air?

The filter is a very important part of the air conditioner because it cleans dust, pollen, mold and other allergens from the air. Be sure to change your filter frequently.

If you don't see the compressor outside a building, where else should you look?

Some buildings have their air compressor on the roof. Have a look the next time you are taking off in a plane.

Why is it useful to know an air conditioner's British thermal unit (Btu) rating?

A British thermal unit (Btu) is the amount of heat needed to raise one pound of water one degree Fahrenheit. It's a standard unit of efficiency measurement in heating and cooling systems.

An air-conditioning system with a high energy efficiency rating generally has a ___________ price tag.

The higher the efficiency rating, generally the higher the price. A system with a high rating might pay for itself over time.

What is the least expensive cooling system for large buildings?

Chilled water air-conditioning systems are the least costly of these very expensive systems.

What is the most energy-efficient cooling system for residential use?

The most energy-efficient cooling system, and also the most environmentally friendly, is the ground source heat pump.

How can you recoup the cost of an expensive but efficient air-conditioning system?

You can recoup the cost by saving money on your electric bill, but it may take several years to do so.

Passive cooling is air-conditioning without what?

Passive cooling is a method of cooling your house without an air-conditioning unit. Some passive cooling methods include heat shielding, landscaping, ceiling fans and good insulation.

What is a passive cooling method that every home should try?

A popular passive cooling method is to open windows and create airflow. Let some fresh air in!

Why will you likely see several air-conditioner compressors outside a multifamily unit?

Apartment buildings and other multifamily homes have a compressor for each living unit.

How do large campuses with many buildings handle their cooling needs?

Large campuses such as a university have a central cooling unit and run pipes with chilled water to different air handlers.

What does ice have to do with air-conditioning?

Ice cooling is a new "green" type of air-conditioning. It involves freezing water into ice overnight when electricity rates are lowest and then blowing fans over the blocks of ice.

How many ice air-conditioning systems exist worldwide?

As of 2007, there were more than 3,000 ice coolers worldwide, according to New York state officials. They're expensive to install but help reduce air pollution and are easier on the power grid than traditional air conditioners.

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