10 HVAC Preventative Maintenance Tips for Fall and Winter
May 28, 2026

As the leaves begin to change color and the days get cooler, it's a sign that fall and winter are upon us. It's also an indication that it's time to give your HVAC system some much-needed attention. Keeping your heating system in top condition can ensure that your home stays warm and comfortable throughout the colder months. Here are 10 HVAC preventative maintenance tips for fall and winter:

1. Inspect Filters Regularly: Check and replace the air filters in your HVAC system at least once a month. A clean filter ensures optimal airflow and improves indoor air quality. 

 

2. Clean & Check the Vents: Clogged Dryer vents are responsible for more than 15,000 fires each year. Ensure that all vents, both intake and output, are free from blockages like dust, debris, and furniture. This promotes better airflow and helps the system run efficiently. 

 

3. Check for Drafts: Inspect windows and doors for drafts. Seal any gaps with weather stripping or caulk to prevent cold air from entering and warm air from escaping. 

 

4. Program Your Thermostat: If you have a programmable thermostat, set it to lower the temperature when you're away from home and raise it just before you return. This can save on energy costs and reduce wear on your system. 

 

5. Inspect the Furnace: Check the furnace for any signs of wear or damage. Ensure that there's no smell of gas, which could indicate a leak. If you suspect any issues, call a HVAC professional. 

 

6. Test Carbon Monoxide Detectors: Carbon monoxide is a silent killer. Ensure that your detectors are in working order and replace any that aren't functioning properly.

 

7. Clean the Outdoor Unit: If you have an outdoor unit, clear away any leaves or debris, that may have accumulated. This helps prevent blockages and keeps your system running efficiently. 

 

8. Inspect Ductwork for Leaks: Damaged or leaky ducts can let out warm air, making your system work harder. As a result, your HVAC system will consume more energy, which will result in higher energy bills. Seal any gaps and ensure proper insulation around ducts. 

 

9. Prevent Home Heating Fires: Heating equipment causes over 48,000 home fires each year. To keep your family safe this winter, keep combustible items away from heat sources, including space heaters, fireplaces, furnaces, and hot water heaters. Never leave space heaters unattended. Turn off the furnace and call an HVAC professional if you notice any strange odors or noises.

 

10. Schedule a Professional HVAC Maintenance: At Tempacure Air Conditioning and Heating, our 21 Point Preventative Maintenance Plans  make it easy to ensure your equipment operates reliably all year long, and can identify potential problems early to ensure your HVAC system is running smoothly. We offer a wide range of services to cover all of your HVAC maintenance, repairs and installation.

For peace of mind and total comfort control, call Tempacure Air Conditioning & Heating at (850) 678-2665 to schedule the services you need.

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