The answer to 'best maintenance' is regular HVAC maintenance by a professional technician. This typically includes an annual tune-up in the spring or fall to ensure your system is running efficiently and safely. The technician will clean and inspect the components, check for any issues, and make adjustments as needed. This helps extend the lifespan of your HVAC system and can also improve indoor air quality and reduce energy costs.
In addition to the annual professional tune-up, there are some simple DIY maintenance tasks homeowners can do year-round, such as regularly changing the air filter, clearing debris around the outdoor unit, and keeping the area around the system clear of clutter. Following the manufacturer's recommendations for maintenance will help keep your HVAC system in peak condition.