DIY Furnace and Heating System Maintenance Tips


Keeping your furnace and heating system in top condition is essential for maintaining a comfortable and energy-efficient home. While professional heating repair and installation services are sometimes necessary, there are several DIY tasks you can perform to ensure your system runs smoothly. In this article, we’ll provide some helpful tips for homeowners in Naperville, IL, Aurora, IL, Geneva, IL, St. Charles, IL, Wheaton, IL, and Glen Ellyn, IL.

Change Air Filters Regularly

One of the easiest and most important DIY tasks is to change your furnace filter regularly. Clogged filters restrict airflow, reducing the efficiency of your system and increasing energy costs. Depending on the type of filter and the number of occupants in your home, you should change your filter every one to three months.

Clean Around the Furnace

  • Clear any debris or clutter around the furnace to ensure proper airflow.
  • Vacuum or sweep the area around the furnace to remove dust and dirt.
  • Check for any obstructions in the furnace vents or ductwork.

Inspect the Thermostat

Your thermostat plays a crucial role in controlling your heating system. Ensure it’s working correctly by:

  • Checking the batteries and replacing them if needed.
  • Cleaning the thermostat cover to remove any dust or debris.
  • Calibrating the thermostat if the temperature readings seem inaccurate.

Check for Proper Airflow

Restricted airflow can cause your furnace to work harder and increase energy costs. To ensure proper airflow:

  • Check that all vents and registers are open and unobstructed.
  • Clean or replace any dirty air filters.
  • Consider having your ductwork professionally inspected for leaks or blockages.

Schedule Professional Maintenance

While DIY tasks can help maintain your heating system, it’s essential to have a professional furnace service and inspection at least once a year. A trained technician can identify and address any potential issues before they become major problems, ensuring your system runs safely and efficiently.


By following these DIY tips and scheduling regular professional maintenance, you can extend the lifespan of your furnace and heating system while keeping your home comfortable and energy-efficient. Remember, if you encounter any issues beyond basic maintenance, it’s always best to contact a reputable heating repair and installation service in your area.