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As summer temperatures rise in Tumwater, WA, your air conditioning unit becomes your best friend. But without regular maintenance, even the most reliable AC system can lose efficiency—or worse, break down when you need it most. At CSM Heating, Cooling, Roofing & Solar, we want to help you stay cool and comfortable all season long. Here are seven essential tips to keep your AC running smoothly: 1. Change Your Air Filter Regularly A clogged or dirty air filter restricts airflow, making your system work harder and reducing indoor air quality. We recommend checking your filter every month and replacing it at least every 60–90 days—more often if you have pets or allergies. 2. Keep the Outdoor Unit Clear Your outdoor condenser unit needs space to breathe. Clear away leaves, grass clippings, and debris from around the unit. Trim back any shrubs or plants at least two feet to ensure proper airflow. 3. Clean the Condenser Coils Over time, dirt and grime can build up on the condenser coils, reducing efficiency. Gently rinse the coils with a garden hose (never a pressure washer) or schedule a professional cleaning during your annual tune-up. 4. Check Your Thermostat Settings Make sure your thermostat is set to “cool” and that the temperature is appropriate for the season. Consider upgrading to a programmable or smart thermostat to save energy and maintain consistent comfort. 5. Inspect the Drain Line Your AC unit removes humidity from the air, which drains through a condensate line. If this line becomes clogged, it can cause water damage or mold growth. Flush it with a mixture of vinegar and water a few times each season. 6. Listen for Unusual Noises Grinding, squealing, or rattling sounds can indicate a mechanical issue. Don’t ignore strange noises—call a professional to inspect your system before a small problem becomes a costly repair. 7. Schedule Annual Maintenance The best way to extend the life of your AC unit is with a yearly professional tune-up. Our certified technicians will inspect, clean, and optimize your system to ensure peak performance and energy efficiency. Need Help with Your AC? If you're in Tumwater or the surrounding areas, CSM Heating, Cooling, Roofing & Solar is here to help. Whether you need a quick repair, a seasonal tune-up, or a full system replacement, our experienced team has you covered. Call us today at 360-352-1996 or schedule your service online to stay cool and comfortable all summer long!
