How often should ductless AC units be serviced?

Ductless AC units should be professionally serviced once a year. Annual maintenance helps prevent breakdowns, lowers energy use, and keeps manufacturer warranties valid. Our tune-up includes a system inspection, air filter cleaning, thermostat checks, and repair or replacement of necessary parts. We provide mini-split maintenance in Novato and across Northern California. Between visits, clean indoor filters as needed and keep the outdoor unit clear of debris.