tools for an air conditioner service

Tips for Cleaning Your AC System in Lexington

With summer ending in Lexington, now is an ideal time to get ahead on air conditioner maintenance.

If you haven’t taken care of it recently, it could be blocked with mud and debris from your yard. This collection can decrease your unit’s efficiency and cause it to stop working. Or wear it down sooner.

We advise having your air conditioning system professionally maintained annually. Why? A clean unit can be more energy efficient, which could save you money on utility expenses.

Consistent AC maintenance also helps our technicians discover and handle slight issues before they become costly 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
  • Confirming pressure and temperature
  • Examining lines, refrigerant levels and connections

It’s not too late to have a tune-up done this fall—and we can get your furnace prepared for heating season too.

Schedule maintenance now


There’s also some work you can do alone between professional tune-ups. You only need about an hour to get the grime off your outdoor condenser unit, as well as a few pieces 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 mild day to clean your air conditioner. At least 60 degrees Fahrenheit (20 degrees Celsius) is best. That way, you can test your equipment once you’ve cleaned it.

You’ll only need a few tools:

  • 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

Switch off the juice to your air conditioner at the breaker box.

2. Clean the Outside

Remove debris from the equipment. This includes branches, bushes, weeds and grass.

Then run the vacuum to cautiously clean the metallic fins. These pieces are also called as condenser coils and move heat away from your unit.

You need to be cautious with these delicate coils. Warped or crinkled fins can influence efficiency.

3. Fix Bent Fins

Use a butter knife to adjust misshapen fins. You can also get a fin comb from an appliance parts website. A pro from Kelley Mechanical should fix extensive damage.

4. Clean the Inside

After removing the fan, pull out leaves and other yard waste. Then mop the inside of the unit with a wet rag.

The only coil cleaner you should use is water. Use gentle pressure from a hose nozzle to clean the fins, directing water from the inside out. Replace the fan once you’re completed.

5. Test Your Air Conditioner

It’s safe to restore power and turn your air conditioner back on. If it’s not working like it should, contact us a call at 859-209-3003.

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

3 Steps to Clean the Indoor Unit

1. Turn Off the Power

Turn off the power to your furnace at the breaker box.

2. Check Your Filter

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

Not sure when you last replaced yours? Pull it out and tilt it toward the light. If there’s no light visible, get a new one.

3. Clean the Inside

Remove the blower door and vacuum up dust.

Then take a look at your air conditioner’s drain line—it’s a supple plastic tube. If it’s scummy, you can sanitize it by flowing water-down bleach through the tube to sanitize the line. Or you can replace the tube.

Clean the drain port using a small, round paintbrush. Hook up the drain tube and switch the power back on.

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

Never Forget a Tune-Up Again

Annual air conditioner maintenance from Kelley Mechanical can make your system more efficient and help it last longer. We also provide convenient service agreements, so you won’t forget to book your annual maintenance!

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