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Mid-Summer AC Maintenance Checklist

Summer is in full swing, and with the hot weather in full effect, your air conditioner is working hard to keep your home cool and comfortable. To ensure your system runs efficiently and avoids unexpected breakdowns during these peak months, now is the perfect time to perform some essential mid-summer maintenance. 

Whether you’re a DIY enthusiast or prefer to leave the details to the pros, following this mid-summer AC maintenance checklist can help prolong the life of your unit, improve energy efficiency, and keep your home comfortable all season long.

Homeowner replaces AC filter during summer maintenance

Check and Replace Air Filters

One of the simplest but most important maintenance tasks is checking your air filters. Dirty or clogged filters reduce airflow, forcing your AC to work harder and consume more energy. This not only raises your utility bills but also risks damaging your system.

Ideally, check your filters every month during heavy use, like summer, and replace them every 30 to 90 days depending on filter type and home conditions. If the filter looks dirty or gray, it’s time to replace it. Even if it appears clean, replacing filters regularly ensures optimal airflow and indoor air quality.

Clear Air Vents and Registers

Blocked or closed vents and registers restrict airflow and cause your system to struggle to cool your home evenly.

  • Inspect vents: Make sure all supply and return vents are open and unblocked by furniture, rugs, or curtains.
  • Clean vents: Dust and debris buildup can reduce airflow. Use a vacuum or a damp cloth to clean the vents and registers regularly.
  • Balance airflow: If you notice certain rooms are hotter or cooler than others, adjusting vents slightly can help distribute air more evenly.

Keep the Outdoor Unit Clean and Clear

Your outdoor condenser unit is critical for transferring heat outside your home. Dirt, leaves, and debris can accumulate and reduce efficiency. Remove leaves, grass clippings, and other debris from around the unit to maintain at least two feet of clearance. Gently brush off dirt and clean fins with a garden hose on low pressure (avoid high pressure which can damage fins). Be sure the unit is off before cleaning.

Monitor Thermostat Settings

Use programmable settings: If you have a programmable or smart thermostat, adjust settings to avoid unnecessary cooling when no one is home. Avoid extreme settings. Setting your thermostat too low can overwork your AC. Aim for a comfortable but efficient temperature, usually around 78°F when home.

Listen and Look for Signs of Trouble

While enjoying cool air, keep an ear out for unusual noises such as grinding, squealing, or rattling, which could indicate mechanical issues. Also, watch for:

  • Weak airflow or inconsistent cooling
  • Excessive moisture or leaks around the indoor unit
  • Higher-than-usual energy bills

Schedule a Professional Tune-Up

Even with your regular care, a mid-summer professional HVAC inspection is invaluable. One of our trained technicians will:

  • Check refrigerant levels and recharge if necessary
  • Inspect electrical connections and components
  • Clean evaporator and condenser coils
  • Test system performance and safety controls
  • Identify minor issues before they become costly repairs

Scheduling a tune-up during mid-summer can prevent breakdowns and keep your system running efficiently through the hottest months.

Schedule an appointment for AC maintenance in Gillette, WY with the team at Climate Solutions, Inc. The trusted source for all your heating and cooling needs.

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