tools for an air conditioner service

Tips for Cleaning Your AC System

With summer ending in Port St. Lucie, now is an ideal time to get a kick start on air conditioner maintenance.

If you haven’t cleaned it recently, it could be clogged with dirt and debris from your yard. This buildup can decrease your unit’s efficiency and cause it to break down. Or wear it down sooner.

We recommend having your air conditioning system professionally maintained every year. Why? Clean equipment can be more energy efficient, which could save you money on electric expenses.

Consistent AC maintenance also helps our technicians discover and take care of small issues before they turn into expensive problems.

Related: How to Keep Your Air Conditioner from Failing

Some of the work we perform consists of:

  • Viewing the blower, motor, drain line and coils
  • Watching pressure and temperature
  • Reviewing lines, refrigerant levels and connections

There’s still time to have service done this fall—and we can get your furnace ready for heating season too.

Schedule maintenance now


There’s also some maintenance you can do by yourself between professional tune-ups. You only need about an hour to wash your outdoor condenser unit, as well as a few parts on your indoor HVAC system.

Related: How Often Should You Expect to Get Air Conditioning Service Done?

How to Clean Your Outside AC Unit

Select a temperate day to wash your air conditioner. At least 60 degrees Fahrenheit (20 degrees Celsius) is ideal. That way, you can check your equipment once you’ve cleaned it.

You’ll only need a few items:

  • Wet-dry vacuum and hose with a soft brush attachment
  • Screwdriver
  • Butter knife
  • Damp rag
  • Small, round paintbrush
  • Replacement furnace filter (if necessary)

Related: How AC Repair and Maintenance Can Actually Save You Money

5 Steps to Clean the Outside Unit

1. Turn Off the Power

Cut the electricity to your air conditioner at the breaker box.

2. Clean the Outside

Take out debris from the unit. This includes branches, bushes, weeds and grass.

Then run the vacuum to slowly clean the metallic fins. These parts are also known as condenser coils and divert heat away from your equipment.

You need to be considerate of these fine coils. Bent or crinkled fins can affect efficiency.

3. Fix Bent Fins

Use a butter knife to straighten misshapen fins. You can also buy a fin comb from an appliance parts store. A pro from Custom Air Systems Inc should take care of severe damage.

4. Clean the Inside

After extracting the fan, dig out leaves and other yard litter. Then wipe the inside of the equipment with a wet cloth.

The only coil cleaner you have to have is water. Use light pressure from a hose nozzle to wash the fins, spraying water from the inside out. Replace the fan once you’re finished.

5. Test Your Air Conditioner

You can now restore power and turn your air conditioner back on. If it’s not working correctly, reach out to us a call at 772-247-2283.

Related: Air Conditioner Service: Pay a Little Now, Save Later

3 Steps to Clean the Indoor Unit

1. Turn Off the Power

Cut the juice to your furnace at the breaker box.

2. Check Your Filter

Furnace filters need to be exchanged every few months, depending on the type you use.

Can’t remember when you last checked yours? Remove it and hold it up to the light. If you can’t see light through it, replace it.

3. Clean the Inside

Remove the blower door and vacuum up dust.

Then examine your air conditioner’s drain line—it’s a supple plastic tube. If it’s moldy, you can freshen it by pouring water-down bleach through the tube to sanitize the line. Or you can get a new tube.

Clean the drain port using a small, round paintbrush. Connect the drain tube and restore power.

Related: How to Keep Your Air Conditioner Running Well Through Fall

Never Forget a Tune-Up Again

Annual air conditioner maintenance from Custom Air Systems Inc can make your unit more efficient and help it last longer. We also provide handy service agreements, so you won’t forget to schedule your regular maintenance!

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