Maintaining your Geothermal Heating and Cooling System

What You Need to Know to Maintain Your Geothermal System

Geothermal HVAC systems use ground loops buried in your soil, deep enough that the ground temperature is constant year-round. This provides an abundant source of energy in the winter and a heat sink in the summer, but it also puts the outdoor coils themselves out of reach. Fortunately, geothermal systems are very reliable, and maintaining one is easy for the homeowner even when the ground loops aren’t accessible.

Here are a few tips on maintaining a geothermal system:

  • Use the right thermostat. A wired rather than battery-driven thermostat is always a wise investment, and using a programmable thermostat to run the geothermal system only when necessary will give a boost to your energy efficiency. Make sure the thermostat is set correctly, and that the fan is set to “auto,” not “on.”
  • Change the air filter once a month to avoid obstructing airflow. Use filters that the system is rated to handle. If you want more air filtration, consider a whole-house air cleaner.
  • Check the condensation pans for standing water, and clear the drain of any blockage. Every year, rinse the drain with a dilute bleach solution to keep it flowing freely.
  • Don’t close the vents in your home, and keep an eye on them for any debris or blockage. Make sure not to move furniture or clutter in front of the vents.
  • Keep an eye on your ductwork and repair any leaks. Leaks may be visible as punctures, gaps and tears or they may be found by a pattern of blown-out dust on the ceiling or wall next to the duct.
  • Review your owner’s manual and become familiar with the various indicator lights and system accessories.
  • Schedule seasonal maintenance with your local geothermal experts. They’ll be able to conduct a thorough inspection, including a check of your refrigerant levels, a check of electrical connections and maintenance of your internal components.

For help maintaining a geothermal system in your Indianapolis home or to answer any questions you may have, call us at Airtron Heating & Air Conditioning!

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