Choose Frinj Energy-Heating & Air Conditioning, Inc. to handle all your AC maintenance concerns in Corona, CA, and the surrounding areas. Just because you’re not using your air conditioner as much now doesn’t mean you won’t need it soon. Taking care of your AC unit keeps it efficient and reliable. It’s better to schedule service in the off-season than risk a breakdown when the temperature reaches unbearable heights. Count on us to provide superior AC tune-up and maintenance services in Corona.