DNR Refrigeration Heating & AC is San Antonio's trusted source for expert heating and Air conditioning repair, maintenance, and installation services. For over 25 years, we have been providing prompt, reliable HVAC services to homeowners and businesses across the greater San Antonio area. Our NATE-certified technicians are highly trained to diagnose and repair all makes and models of furnaces, heat pumps, central air conditioning systems, ductless mini splits, and more. We offer comprehensive maintenance plans to keep your HVAC system running efficiently and help prevent costly breakdowns. In addition to repairing and servicing existing units, we also handle complete heating and AC system installations for new construction or replacement systems. Whether you need a routine AC tune-up, emergency furnace repair or a brand new air conditioning installation, we have the skill, experience and equipment to get the job done right. Our technicians are background checked, drug tested, and professionally trained so you can trust DNR Refrigeration Heating & AC for all your indoor comfort needs.