5 Furnace Maintenance Tips to Prepare for Winter and Avoid Costly Repairs

How Much Does Furnace Maintenance Cost in Portland?

As the crisp autumn air settles in, it's a clear sign that winter is just around the corner. Before the cold temperatures hit, ensuring that your furnace is in top-notch condition is crucial. Regular furnace maintenance keeps your home warm and comfortable and helps you avoid costly repairs down the line. In this blog, we'll explore five essential furnace maintenance tips to prepare your heating system for winter.

  • Replace or clean the air filter
  • Inspect and clean the vents and ducts
  • Check and calibrate the thermostat
  • Inspect the furnace and pilot light
  • Schedule professional maintenance

Avoid costly breakdowns this winter. Schedule furnace maintenance with Four Seasons today.

A small investment in furnace maintenance provides long-lasting yields. Prevent surprise breakdowns, keep energy bills low, and guarantee your household’s comfort this winter with a comprehensive furnace tune-up from Four Seasons Heating & Air Conditioning. Since 1979, we’ve prided ourselves on honest, good old fashioned, 5-star service!

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Replace or Clean the Air Filter

The air filter is a simple yet vital component of your furnace system. Over time, the filter accumulates dust, debris, and other particles, restricting airflow and forcing your furnace to work harder. This increased strain can lead to higher energy bills and potential damage to your system.

To avoid these issues, it's recommended to replace or clean the air filter regularly. Most experts suggest checking the filter every one to three months, especially during heavy usage periods like winter. If you have a disposable filter, replace it with a new one. For reusable filters, clean them thoroughly according to the manufacturer's instructions.

Inspect and Clean the Vents and Ducts

Proper airflow is essential for an efficient furnace system. Over time, vents and ducts can accumulate dust, pet hair, and other debris, hindering the flow of warm air throughout your home. To ensure optimal performance, inspect and clean both the vents and ducts.

Start by removing vent covers and using a vacuum to clear away any visible dust and debris. For a more thorough cleaning, consider hiring a professional duct cleaning service. They have the expertise and tools to eliminate built-up dirt from deep within the duct system, improving air quality and system efficiency.

Check and Calibrate the Thermostat

The thermostat serves as the control center for your heating system, dictating when the furnace should kick in and at what temperature. Before winter arrives, it's essential to check and calibrate your thermostat to ensure accurate temperature readings.

Start by replacing the thermostat batteries, if applicable. Next, set the thermostat to a temperature higher than the current room temperature and listen for the furnace to engage. If the furnace doesn't start or if there are any unusual noises, it may be a sign of a problem that requires professional attention.

For programmable thermostats, review and update your heating schedule to align with your winter routine. This not only ensures comfort but also helps optimize energy usage, potentially lowering your heating bills.

Inspect the Furnace and Pilot Light

Before the cold weather sets in, take the time to inspect your furnace for any visible issues. Begin by turning off the power to the furnace and checking for loose or damaged wires, visible corrosion, or any signs of wear and tear. If you notice anything unusual, it's advisable to contact a professional technician for further inspection and repairs.

Additionally, if your furnace has a pilot light, ensure it's burning a steady blue flame. A flickering or yellow flame could indicate a problem with the combustion process, potentially releasing harmful carbon monoxide into your home. If you notice any irregularities with the pilot light, it's crucial to shut off the furnace and seek professional assistance immediately.

Schedule Professional Maintenance

While many furnace maintenance tasks can be handled by homeowners, there's no substitute for professional expertise. Scheduling an annual furnace inspection and maintenance service with a certified technician is a proactive approach to ensure your heating system is in top condition.

During a professional maintenance visit, the technician will perform a thorough inspection, clean critical components, and address any potential issues before they escalate. This not only helps prevent breakdowns during the winter but also extends the lifespan of your furnace, saving you money in the long run.


Embrace the warmth of a worry-free winter with a furnace tune-up from Four Seasons.

A well-maintained furnace is not just an investment in your comfort—it's a smart way to ensure your heating system operates efficiently and safely throughout the winter months. Schedule a furnace tune-up with Four Seasons and our expert technicians will provide a thorough inspection, cleaning, and optimization of your system. You can rest easy knowing that your home will be warm all winter long without the risk of emergency repairs.

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