Columbia HVAC Now

South Carolina's Heating & Cooling Experts


Effortless DIY Tips for HVAC Maintenance


As a homeowner, maintaining your heating, ventilation, and air conditioning (HVAC) system is crucial for ensuring optimal performance, energy efficiency, and indoor comfort. While professional service from ABC Air Conditioning & Heating is recommended for major repairs and installations, there are several DIY tips you can follow to keep your system running smoothly.

Air Filter Replacement

  1. Locate the air filter in your HVAC system, typically in the return air duct or the blower compartment.
  2. Check the manufacturer’s recommendations for the recommended replacement interval, usually every 1-3 months.
  3. Purchase the correct filter size and type for your system.
  4. Carefully remove the old filter and insert the new one, ensuring it’s properly seated and aligned.

Outdoor Unit Maintenance

  1. Clear any debris, such as leaves, twigs, or grass clippings, from around the outdoor unit to ensure proper airflow.
  2. Use a garden hose to gently rinse off any dirt or dust buildup on the condenser coils.
  3. Trim back any vegetation or shrubs that may be encroaching on the unit, maintaining at least 2 feet of clearance.

Thermostat Optimization

  • Adjust the thermostat settings to match your family’s schedule and preferences, avoiding excessive heating or cooling when nobody is home.
  • Consider upgrading to a programmable or smart thermostat for increased energy savings and convenience.
  • Ensure the thermostat is located away from direct sunlight, drafts, or heat sources that could affect its readings.

Duct Inspection

  1. Visually inspect accessible ductwork for any signs of damage, such as holes, tears, or disconnections.
  2. Use a foil-backed tape or mastic sealant to seal any minor leaks or gaps in the ductwork.
  3. Consider scheduling professional duct cleaning or repair if you notice significant leaks or blockages.


By following these DIY tips, you can help extend the lifespan of your HVAC system, improve its efficiency, and maintain a comfortable indoor environment. However, remember that complex repairs or installations should always be handled by professionals like ABC Air Conditioning & Heating to ensure safety and optimal performance.