Your HVAC system is essential for keeping your home comfortable in every season. Whether you’re battling Memphis’ hot, humid summers or preparing for chilly winter nights, a well-maintained heating and cooling system ensures efficiency, lowers energy costs, and extends the lifespan of your unit.
Regular maintenance can prevent unexpected breakdowns and costly repairs. Follow these essential HVAC maintenance tips to keep your system running smoothly all year long.
Change Your Air Filters Regularly
One of the simplest yet most important HVAC maintenance tasks is replacing your air filters. Over time, dust, dirt, and allergens clog filters, reducing airflow and straining your system.
How often to change filters:
- Every 1-2 months for households with pets or allergies
- Every 3 months for regular use
- Monthly during peak heating or cooling seasons
A clean filter improves air quality and ensures your system runs efficiently, reducing energy consumption and preventing unnecessary wear and tear.
Schedule Seasonal HVAC Tune-Ups
Professional maintenance is key to keeping your HVAC system in top condition. Ideally, you should schedule two tune-ups per year:
✔ Spring: AC inspection and servicing before the summer heat
✔ Fall: Furnace check-up to prepare for winter
During a tune-up, an HVAC technician will:
- Inspect and clean coils
- Check refrigerant levels
- Test the thermostat for accuracy
- Ensure all components are in good working order
Need expert HVAC maintenance in Memphis? CityLight offers professional inspections and servicing to keep your system running efficiently.
Keep Vents and Ducts Clean
Blocked or dirty vents can restrict airflow, making your HVAC system work harder than necessary.
✅ How to maintain vents and ducts:
- Vacuum registers and air vents regularly to remove dust buildup
- Ensure vents are open and not blocked by furniture or curtains
- Consider duct cleaning every few years to remove deep-seated dirt and allergens
A clean ventilation system ensures even heating and cooling throughout your home, improving both comfort and efficiency.
Monitor Your Thermostat Settings
Using your thermostat efficiently can help reduce energy consumption while keeping your home comfortable.
🌡 Smart thermostat tips:
- Set your thermostat to 78°F (26°C) in summer and 68°F (20°C) in winter for optimal efficiency
- Upgrade to a programmable or smart thermostat to adjust temperatures based on your schedule
- Lower the temperature while sleeping or away from home to save on energy bills
A smart thermostat can automatically optimize your HVAC usage, reducing strain on the system and lowering costs.
Check for Leaks and Insulate Your Home
Air leaks and poor insulation force your HVAC system to work harder, leading to higher energy bills and uneven temperatures.
🔎 How to improve insulation:
- Seal gaps around doors and windows with weatherstripping
- Insulate attics, crawl spaces, and ductwork to prevent heat loss
- Check for air leaks near vents and registers
Proper insulation keeps warm or cool air inside, reducing strain on your HVAC system and maintaining consistent indoor temperatures.

Pay Attention to Unusual Sounds or Odors
If your HVAC system makes strange noises or emits unusual smells, it could be a sign of an underlying issue.
🔹 Warning signs to watch for:
- Loud banging or rattling: Loose or broken components
- Burning smell: Overheated motor or electrical issue
- Musty odors: Mold or mildew in ducts
If you notice these issues, it’s best to call a professional immediately. Delaying repairs can lead to more expensive damage in the long run.
Invest in Professional HVAC Maintenance
Routine maintenance is the best way to avoid unexpected breakdowns and extend the life of your HVAC system. Professional technicians can spot potential problems early, ensuring your system runs smoothly year-round.
At CityLight, we offer expert HVAC maintenance, repairs, and upgrades to keep your home comfortable and energy efficient. Our team provides reliable services tailored to your needs in Memphis and beyond.
Ready to schedule your HVAC maintenance? Contact CityLight today!
Keep your HVAC system in peak condition and enjoy year-round comfort with ease!