About Us

Hammack Service Company, Inc. is your source for heating and AC services in Richardson, TX and surrounding areas. We ensure that our customers across Dallas and Collin counties remain warm in winter and stay cool in the summer. In fact, we’ve been doing just that since we opened our doors in 1972. Homeowners can rely on our family-owned company for prompt, friendly and professional service.

Hammack Service Company has been BBB accredited since 1991. We also maintain a perfect A+ rating with that organization. Furthermore, we’re a member of the Air Conditioning Contractors of America. When we work with refrigerants, customers should know that we’ve been certified by the EPA. In addition, our highly skilled technicians are NATE-certified.