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As summer winds down and cooler temperatures roll into North Carolina, your HVAC system shifts from working overtime to keep your home cool to preparing for chilly fall nights. Just like you might swap out your wardrobe or schedule seasonal car maintenance, your HVAC system needs a little attention to ensure it runs smoothly throughout the season. A proactive fall checkup can extend the life of your system, prevent unexpected breakdowns, and keep your home comfortable.

Here are some practical steps to get your HVAC system ready for fall:

1. Replace or Clean Your Air Filters

Your HVAC filter plays a huge role in your system’s efficiency. A clogged filter forces your system to work harder, reducing airflow and indoor air quality. Make it a habit to replace your air filters every 1–3 months depending on usage and household conditions.

2. Adjust Your Thermostat Settings

As the weather cools, adjust your thermostat to match the season. A smart thermostat can help you manage energy use efficiently by lowering the temperature while you’re away or asleep and warming things up when you’re home. The U.S. Department of Energy recommends setting your thermostat to 68°F while awake and lowering it when you’re asleep or away to save on energy costs (source).

3. Schedule Preventive Maintenance

A professional tune-up is the best way to prepare your system for the seasonal shift. Seasonal maintenance allows technicians to inspect for worn parts, check refrigerant levels, test safety controls, and clean components to ensure everything is running at peak performance.

4. Seal Drafts and Leaks

Cool air sneaking into your home can strain your heating system. Check doors, windows, and ductwork for leaks. Add weatherstripping or caulk where needed to improve efficiency and comfort. For guidance, check out this EPA guide on air sealing.

5. Clean Around Outdoor Units

Fallen leaves, dirt, and other debris can block airflow around your outdoor unit. Keep at least two feet of clearance around the unit and gently rinse off any dirt buildup with a hose.

6. Test Carbon Monoxide Detectors

If you’re using gas heat, carbon monoxide detectors are a must for safety. Test your detectors and replace batteries to protect your household. Learn more about carbon monoxide safety from the CDC.

7. Check Vents and Registers

Blocked or closed vents can cause uneven heating and stress your system. Walk through your home and make sure all vents and registers are open and unobstructed by furniture, rugs, or curtains.

8. Consider Indoor Air Quality Upgrades

Fall allergies and more time indoors mean air quality matters. Adding a whole-home air purifier or humidifier can reduce allergens and improve comfort.

9. Plan Ahead for Winter

Fall maintenance sets the stage for winter. By addressing issues now, you’ll be less likely to face a surprise breakdown during the colder months when your system is working harder. If your system is showing signs of age or frequent repairs, it might be time to consider a new HVAC installation.

Stay Comfortable All Season Long

Getting your HVAC system ready for fall isn’t just about avoiding surprise repairs—it’s about creating a home that’s comfortable, efficient, and ready for the changing weather. With a few simple steps and the support of a trusted HVAC professional, you’ll enjoy peace of mind as temperatures drop.

Triangle Comfort Pro’s team proudly serves homeowners across Cary and the Triangle area with expert seasonal tune-ups, repairs, and installations. Schedule your fall maintenance today and make sure your system is prepared to keep you cozy all season long.

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