Mullins Mechanical Air Conditioning & Heating is an HVAC service provider established in 1979 by Curtis Mullins, Sr. Based in Lancaster, Texas, the company serves the Dallas/Fort Worth area, including communities such as Mesquite, DeSoto, Dallas, and Arlington. Its certified technicians work on residential and commercial properties, including existing buildings and new construction, and service all makes and models of comfort systems.

Mullins Mechanical offers heating, cooling, and indoor air quality services, with options for system tune-ups, repairs, installations, and replacements. Specific services include gas furnace work, air conditioning repair, and AC maintenance. The company also emphasizes preventative maintenance to help customers avoid additional repair costs. Its stated service commitments include a guarantee on its work, screened and certified technicians, upfront pricing with no surprises, and prompt service without compromising quality. Supported by customer-friendly office staff, Mullins Mechanical aims to provide a hassle-free experience and reliable HVAC care throughout the Metroplex.