Tips for Cleaning Your AC System

September 20, 2019

With summer ending in Katy, now is a good time to get ahead on air conditioner maintenance.

If you haven’t washed it lately, it could be blocked with mud and yard waste. 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 tuned-up once a year. Why? A clean unit can be more energy efficient, which could save you money on utility costs.

Routine AC maintenance also helps our technicians spot and handle small issues before they turn into high-priced 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
  • Examining lines, refrigerant amounts and connections

You can still have service done this fall—and we can get your furnace prepped for heating season too.

Schedule maintenance now


There’s also some work you can do on your own between professional tune-ups. You just need about an hour to get the grime off 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

Pick a warm day to clean your air conditioner. At least 60 degrees Fahrenheit (20 degrees Celsius) is ideal. That way, you can check your system once you’ve cleaned it.

You’ll only need a couple of 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

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

2. Clean the Outside

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

Then use the vacuum to gently 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 fragile coils. Warped or crumpled fins can impact efficiency.

3. Fix Bent Fins

Use a butter knife to adjust warped fins. You can also buy a fin comb from an appliance parts website. A pro from Goode Bros AC & Heating should take care of extensive damage.

4. Clean the Inside

After removing the fan, dig out leaves and other yard rubbish. Then clean the inside of the unit with a wet rag.

The only coil cleaner you should use is water. Use light pressure from a hose nozzle to rinse the fins, directing water from the inside out. Reinstall 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 operating like it should, give us a call at (833)-466-3322.

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

3 Steps to Clean the Indoor Unit

1. Turn Off the Power

Stop the electricity to your furnace at the breaker box.

2. Check Your Filter

Furnace filters must be changed every few months, depending on the model you use.

Can’t remember when you last checked yours? Take it out and angle it toward the light. If light isn’t visible, 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 flexible plastic tube. If it’s dirty, you can sanitize it by draining thinned bleach through the tube to flush the line. Or you can get a new tube.

Clean the drain port using a small, round paintbrush. Hook up 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 Goode Bros AC & Heating can make your unit more efficient and help it last longer. We also have handy service agreements, so you won’t forget to plan your routine maintenance!