About us Commercial Appliance Service, LLC Strategically located in Sacramento, California. Commercial Appliance Service, LLC. covers, with 100% self-performing technicians, service in Northern California, Sacramento, Stockton/Modesto, East San Francisco Bay Area, Lake Tahoe, Northern Nevada, Reno, and Carson City quickly and professionally. Our technicians are factory trained and CFESA certified, so you can be sure you will receive high-quality workmanship on your equipment repairs. Commercial Appliance Service, LLC. offers 24-hour service - 7 days a week with a live answering service so you are never without service in an emergency.