End of Summer Tips

By the end of the summer, your air conditioner has gone through quite a workout. If your air conditioner was not serviced in the spring, there could be a buildup of debris in the condenser, among other things; this can cause your air conditioner to run less efficiently. Regular tune-ups keep your AC running at peak efficiency, which can save you money on your energy bills. Here are some tips to help you out before the summer’s end:

Change Your Air Filter

woman cleaning an mini split air conditionerChanging your air filter is one of the easiest things that you can do to maintain your AC. This is not only important for air quality but also for the life of your air conditioning unit. A clogged air filter can cause your system to work harder. This uses more energy and may even cause the unit to break down, both of which are costly. Make sure that you are using the correct AC filter for your unit and replacing the filter on your central air system at least once every other month.

Clean Coils and Drain Line

Blocked coils on the outside unit can also cause your AC to work harder than it needs to, which can lead to issues that need to be repaired. For central units, you can use a broom and your garden hose to remove debris. Similarly, you want to make sure that your AC’s condensate drain line is clean to prevent any malfunctioning. Use boiling water to clear any small blockages.

Remove Any Obstructions from the Unit

Check to make sure that the outdoor unit is not blocked by plants or other debris that might have grown or accumulated over the summer. If you have hedges or other plants that you use to hide the outdoor unit, make sure that they are at least a foot away from the unit to avoid obstructions. Indoor units should also be free of obstructions like curtains or drapes.

Program Your Thermostat

If you have a central system, you should use your thermostat to slightly raise the temperature during the day when you are away from the house and then lower the temperature when you return. This helps reduce any unnecessary strain on your AC, while also helping you save on energy costs. Some thermostats can be controlled from your Smartphone, allowing you to make these adjustments even when you’re not home. Some smart thermostats will even learn your schedule and habits over time, making the process more automated.

Get a Tune-up or Maintenance Services from a Professional

To keep your central AC unit running smoothly throughout the year, it is important to get an annual tune-up from an HVAC professional who will check and clean the filter, test the system, and charge the unit with refrigerant. This is best completed in the spring before you start using it for the summer, but it is never too late for a tune-up.


  • “3 Reasons to Schedule AC Maintenance Before Summer Ends” A Quality HVAC
  • “5 AC Maintenance Tips for the End of the Summer” Air Conditioning Engineers
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