Service First Air Conditioning and Heating is a local ac repair, installation, and service company serving San Antonio, Texas 24 hours a day. Founded by Jack Overman in 2001, Service First always puts customers first. If you need a commercial or residential AC service, repair, or installation, call today. With over 20 years of experience in the business, our friendly and knowledgeable staff will have your heating or cooling system back up and running smoothly in no time. Estimates are always free, call now!