Steam coming out of furnace exhaust in winter with snow on ground

How to Prepare Your Furnace for Winter: 5 Essential Steps

Preparing your furnace for winter: 

  • Ensures a warm, comfortable home
  • Prevents costly repairs 
  • Improves energy efficiency

Follow these five essential steps to prepare your furnace for the cold months ahead.

Change or Clean Your Furnace Filter

It’s always a good idea to start by changing or cleaning your furnace filter. A clean filter:

  • Improves air quality
  • Increases energy efficiency
  • Reduces strain on the furnace
  • Prevents overheating and short cycling

Program Your Thermostat for Winter Efficiency

Proper thermostat settings prime your furnace for efficient operation. To set your furnace up for success, you should:

  • Set lower temperatures when you’re asleep or away
  • Program the heat to increase before you wake or return home
  • Consider upgrading to a smart thermostat for better control

Tip: Change your thermostat batteries at the start of the heating season to prevent unexpected shutdowns.

Clear the Area Around Your Furnace

Clutter and debris can impede your furnace’s operation. Prepare your furnace for winter by:

  • Removing any clutter within 30 inches of the furnace
  • Ensuring vents and registers are unobstructed
  • Check that the furnace flue is clear of debris or nests

Safety Note: Never store flammable materials near your furnace.

Conduct a Safety Check

Before heavy winter use, make sure your home’s safety features are operational. You should: 

  • Test your carbon monoxide detectors
  • Check for any unusual noises or odors when the furnace runs
  • Inspect visible ductwork for damage or leaks
  • Ensure the pilot light (if applicable) burns blue

Remember, if you smell gas or suspect a serious issue, turn off your furnace and schedule professional repairs immediately.

Schedule a Professional Winter Furnace Tune-Up

While there are many DIY steps you can take, nothing beats a professional winter furnace tune-up. A comprehensive system check performed by certified technicians:

  • Will catch issues early 
  • Assures all components are functioning properly
  • Maintains your manufacturer’s warranty

Schedule your winter furnace tune-up in early fall to avoid the rush and ensure your system is ready when you need it.

Schedule a Furnace Inspection Today

Learning how to prepare your furnace for winter is an investment in your home’s comfort, safety, and efficiency. While some steps can be DIY, a professional winter furnace tune-up provides the most comprehensive preparation for the cold months ahead. Don’t wait until the first cold snap – start your furnace winter preparation today!

Ready for a professional winter furnace tune-up? Call Residential Heating and Cooling today at (847) 637-5331 to learn more or to schedule a professional inspection.

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