Winter brings on the holiday season, but it also means that more time is spent indoors. You want to make sure your home is being adequately heated. Furnace maintenance is a component of an enjoyable season indoors.

Not maintaining a furnace could lead to the release of carbon monoxide in your home, or stop working when you need it, especially on those frigid winter days.

Here is a checklist to help ensure that your furnace is properly maintained in the winter:

Schedule a Yearly Check-Up

Hiring an HVAC expert to do a yearly checkup is cost-effective and will improve the longevity of your furnace.

Turn it Off Before Maintenance

Turn off the electrical and fuel supply before working on your furnace.


Do some preliminary cleaning to ensure that everything is running smoothly.

  • Sweep or vacuum any dust from around the furnace or the registers so that the air can flow freely.
  • Vacuum the burners and around the base of the furnace.
  • Use a flashlight to spot any soot that’s been collected (this indicates poor combustion).
  • Remove the bolts that secure the blow and lift it out. Use a small brush to clean the blower blades.
  • Remove the lower door and vacuum the blower compartment.
  • Clean the belts and pulleys that lead to the blower.
  • Vacuum all the heat vents in your home once a year before the winter begins.

Replace Disposable Filters

  • Open the filter access and remove the filter.
  • Make sure to check the filter size and type and keep this noted somewhere.
  • If you use a polyester or pleated filter: change it every three months.
  • If you use a fiberglass filter: change it once a month.
  • If you or other members of the household smoke inside the home, or have pets, change the filter each month regardless of the type it is.
  • Place the old filter in the trash. Do NOT recycle.


Do a series of inspections such as:

  • Ensure the combustion air openings are not blocked or restricted.
  • Inspect the flue pipe for any leaks or corrosion.
  • Check the drive belts for any cracked or frayed edges.
  • Clean the pilot.
  • Check the vents for any leaking water and rust.
  • Make sure there are no loose panels.
  • Make sure that the drain lines are clear and draining properly.

Check to see if the electronic thermostat needs its batteries changed.


All credit goes to Home Comfort Center

Home Comfort Center

Home Comfort Center