Quiz: Can you Keep your Cool by Maintaining your Air Conditioner?
You're all hot and bothered because your air conditioner isn't cooling as well as it should. Don't despair -- there is plenty you can do to keep it running smoothly. Take this quiz to see what all you can do to stay cool.
What are the two components of a central air-conditioning system?
central pipe and evaporator
condenser and evaporator
central pipe and condenser
What does the distribution system do?
It distributes cooled air across the motor and up through the piping.
It filters air.
It distributes cooled air through ductwork once it has moved across the evaporator coil.
How do the motor, blower and ductwork differ between the heating and cooling units?
There is no difference.
The ductwork and blower are the same, but there are two motors: one for heating and one for cooling.
The motor and ductwork are the same, but depending on the thermostat, the blower sucks air in or blows air out.
How often should the evaporator be cleaned?
every six months
once a year
Which of the following tools do you need to clean your evaporator?
hammer and clamps
degreaser cleanser and pipe cleaners
wire and screwdriver
What two types of plenum could there be?
foil-wrapped insulation or sealed metal box
paper-wrapped insulation or sealed metal box
foil-wrapped insulation or open metal box
After you remove the plenum, tape and screws, how should you clean the evaporator?
Clean all sides with a stiff brush, wash the tray and clear the weep hole with abrasive scouring powder.
Clean the underneath with a stiff brush and wipe out the tray. Pour bleach into the weep hole and then unclog it with wire if necessary.
Thoroughly wash all accessible parts and clean the weep hole with a pipe cleaner. Then allow air to blow through the evaporator for a few minutes.
Why is there a tray underneath the evaporator unit?
to collect and remove condensation
to catch dirt and dust
to store water
Before you clean the condenser coils, why do you need to know which direction the air blows?
You don't need to know. It makes no difference which way the air blows.
You have to clean them on the output side.
You have to clean them on the intake side.
What damage could overgrown weeds and vines do to the condenser?
They can hinder airflow.
They can cause the condenser to rust.
They can attract bugs to the condenser.
What are the fins of the condenser made of?
How do you clean the fins of the condenser?
Soak them in soapy water, then wipe with a cloth.
Soak them, then scrub them with steel wool pads.
Clean them carefully with a soft brush without any water.
What should you look for when checking the concrete slab the condenser rests on?
that it stays dry
that there are no cracks in it
that it's level
What is the name of the refrigerant used in air conditioners?
If your air conditioner is cooling poorly or not at all, what could be the problem?
The condenser needs more insulation.
There's too much Freon.
There's not enough Freon.
What can you do if the insulation of the coolant lines is damaged?
Replace it with new insulation.
Call a professional to have the coolant lines replaced.
Call a professional because the entire cooling system might be in jeopardy.
What's another name for a room air conditioner?
Which of these options is the easiest way to save on repair costs if your window unit needs professional help?
Remove it from the window and take it in for repair.
Barter for the repair.
Beg the repair company for a discount.
What can you do if the fan malfunctions?
Clean the fan blades and loosen screws as necessary.
Replace the blades immediately.
Clean the fan blades and tighten screws as necessary.
Do you really need a professional to inspect and adjust your central air conditioner?
Yes. You should only do routine cleaning and minor repairs.
Not at all. With instructions, anyone can handle an air conditioner.
It depends. If you're confident you can make the repairs, go for it!