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Mastering Home HVAC Maintenance – A DIY Guide


Keeping your home’s heating, ventilation, and air conditioning (HVAC) system in top shape can be a daunting task, but with the right knowledge and DIY tips, you can save money and ensure your family’s comfort all year round. Whether you’re a homeowner in Lebanon, TN, Mt. Juliet, TN, or Gladeville, TN, this guide will equip you with the essential skills to maintain your HVAC system like a pro.

Air Filter Replacement

  1. Locate your HVAC system’s air filter and note its size.
  2. Purchase high-quality replacement filters that fit your system.
  3. Turn off the HVAC unit before removing the old filter.
  4. Insert the new filter, making sure it’s facing the correct direction.
  5. Replace the filter every 1-3 months for optimal indoor air quality.

Outdoor Unit Maintenance

  • Clear away any debris, such as leaves or twigs, from around the outdoor unit.
  • Trim back any vegetation that is encroaching on the unit.
  • Gently wash the exterior of the unit with a garden hose and a soft-bristle brush.
  • Straighten any bent fins on the condenser coil using a fin comb.

Thermostat Optimization

  1. Ensure your thermostat is set to the desired temperature for both heating and cooling seasons.
  2. Consider upgrading to a programmable or smart thermostat for better energy efficiency.
  3. Replace the batteries in your thermostat annually to prevent malfunctions.
  4. Keep the thermostat away from direct sunlight, drafts, and heat sources for accurate temperature readings.

Professional Assistance

While DIY maintenance can save you money and prolong the life of your HVAC system, it’s essential to recognize when professional help is needed. If you encounter any major issues or have concerns about the safety or performance of your system, don’t hesitate to contact a reputable HVAC contractor in your area, such as Mayhem Mechanical, for expert assistance.