As fall settles in across Washington, it’s the perfect time to prepare your home for the colder weather ahead. At Apex Air, we know just how important it is to stay ahead of seasonal changes to keep your HVAC system running smoothly and efficiently. A little preparation now can save you from bigger problems — and higher energy bills — later in the year.

This Fall HVAC Maintenance Checklist is designed specifically for Washington homeowners to help improve comfort, protect your equipment and avoid costly repairs down the road.

1. Change or Clean Your Air Filters

Dirty filters restrict airflow and force your system to work harder than necessary. Check your filters monthly during the fall, and replace or clean them as needed to maintain air quality and efficiency.

2. Test the Thermostat

Switch your thermostat from cooling to heating, and test the temperature settings. If it doesn’t respond correctly or seems off, consider upgrading to a programmable or smart thermostat for better control and energy savings.

3. Schedule a Professional Furnace Inspection

Your furnace needs an annual inspection to ensure it’s ready for heavier use during the colder months. Schedule a professional furnace inspection to check for wear and tear, clean HVAC key components and verify safe operation.

4. Inspect and Clean Vents and Registers

Dust and vacuum your vents and registers to remove buildup that can affect airflow. Make sure furniture and rugs aren’t blocking them, ensuring warm air can circulate freely throughout your home.

5. Seal Leaky Ductwork

Leaky ducts can waste a large amount of heated air. Inspect any exposed ductwork in your basement, attic or crawlspaces for gaps or holes. Sealing leaks with duct mastic or foil-backed tape can reduce energy loss and improve system performance.

6. Clear the Outdoor Unit

If you use a heat pump, make sure the outdoor unit is free of leaves, dirt and debris. Trim back nearby shrubs or branches at least two feet to ensure proper airflow and to avoid damage.

7. Check Carbon Monoxide and Smoke Detectors

Fall is a good reminder to replace batteries and test all detectors. If you use a gas furnace, a carbon monoxide detector is essential for keeping your home safe.

8. Add Weatherstripping or Insulation

Drafty windows and doors make your HVAC system work harder. Sealing gaps with weatherstripping and checking attic insulation levels can go a long way toward keeping warm air inside where it belongs.

9. Clean the Condensate Drain Line

If your system includes a drain line, clear it of clogs to prevent leaks or mold growth. A quick flush with a vinegar solution can help keep it clean and odor-free.

10. Schedule Your Fall Tune-Up With Apex Air

Preventive maintenance is key to extending the life of your HVAC system and avoiding surprise breakdowns. Our team at Apex Air offers seasonal tune-ups specific to the needs of Washington homes so your heating system is ready when you need it.

Final Tip: Don’t Wait for the First Cold Snap

Waiting too long to address HVAC maintenance can leave you without heat when you need it most. Taking care of these tasks in early fall ensures you’ll be comfortable and prepared for the months ahead.

Looking for HVAC service before the cold weather kicks in? Contact the experts at Apex Air to schedule a consultation. We’re here to help Washington homeowners stay warm with an efficient and safe HVAC system all season long.

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