Kennesaw Home Services

Serving the Kennesaw Area

Savvy DIY HVAC Maintenance Tricks

2 min read


Proper maintenance of your heating, ventilation, and air conditioning (HVAC) system is crucial for ensuring optimal performance, energy efficiency, and longevity. While professional servicing is recommended periodically, there are several DIY tips and tricks you can employ to keep your system running smoothly. In this article, we’ll explore some handy DIY HVAC maintenance tasks.

Air Filter Replacement

  1. Check your air filter monthly and replace it when it appears dirty or clogged.
  2. A clogged filter restricts airflow, reducing efficiency and potentially damaging your HVAC system.
  3. Choose the appropriate filter type and size for your system, as recommended by the manufacturer.

Outdoor Unit Maintenance

  • Clear away any debris, such as leaves, twigs, or dirt, from the outdoor unit’s condenser coils and surrounding area.
  • Trim back any vegetation growing too close to the unit, allowing for proper airflow.
  • During winter, gently brush away any snow accumulation on the unit.

Thermostat Calibration

  1. Check your thermostat periodically to ensure it’s working correctly and accurately reflecting the desired temperature.
  2. If your thermostat is programmable, adjust the settings to match your schedule and preferences.
  3. Replace the batteries in your thermostat annually to prevent inaccurate readings.

Ductwork Inspection

  • Visually inspect accessible ductwork for any signs of damage, leaks, or disconnections.
  • Seal any visible gaps or cracks with duct tape or mastic sealant to prevent air leaks.
  • Consider professional duct cleaning periodically to remove built-up dust and debris.

Condensate Drain Line Clearing

  1. Locate the condensate drain line, typically a PVC pipe near the indoor unit.
  2. Pour a mixture of warm water and vinegar down the drain line to help clear any blockages.
  3. If the line remains clogged, use a wet/dry vacuum or compressed air to dislodge debris.


By following these DIY HVAC maintenance tips, you can help extend the lifespan of your system, improve energy efficiency, and potentially avoid costly repairs. However, remember to always prioritize safety and consult professionals for any complex or hazardous tasks.