CJ's Mechanical Services Inc. has been serving the greater North Bay for over 30 years. We install, repair, and maintain a wide variety of appliances and HVAC systems for residential and commercial clients in Sonoma, Marin, Napa, Solano, and Butte Counties. We have the experience and equipment to work on everything from dishwashers and refrigerators to heating and air conditioning units, and it also offers ongoing service contracts to restaurants and other light commercial establishments.