Proudly serving San Antonio & Pleasanton areas
South Texas Heating and Cooling
Miller Cooling & Heating helps homeowners and business owners stay comfortable with dependable HVAC repair, maintenance, and installation throughout San Antonio, Pleasanton, and surrounding South Texas communities. When your system stops keeping up, our team responds with clear communication, practical solutions, and workmanship built to last.
From air conditioners and heat pumps to furnaces, ductless systems, air handlers, and thermostats, we handle repairs, replacements, tune-ups, and energy-saving upgrades with the same honest approach on every job. Our goal is simple: make your heating and cooling service easier, more reliable, and less stressful from the first call to the final walkthrough.
Based at 3090 Coughran Road, Miller Cooling & Heating proudly serves South Texas with local service, fair pricing, and dependable support.
With more than 20 years of experience, we handle diagnostics, repairs, maintenance, replacements, upgrades, and comfort-focused system planning.
We work across San Antonio, Alamo Heights, Converse, Boerne, New Braunfels, Bexar County, Castroville, Leon Valley, Pleasanton, Floresville, and nearby areas.
Outlast your South Texas summer in complete comfort with our full AC repair, maintenance, and installation expertise. Call now.
Keep warm without breaking the bank with our smart, caring plan for heating solutions. Let us handle your furnace, boiler, and more. Call now.
Your thermostat does two jobs: making you comfortable and saving energy wisely. When it is struggling, it is an emergency. We can help.
South Texas summers can be brutal and in business, a comfortable environment isn’t optional—it’s what keeps customers coming back and employees working at their best. At Miller Cooling & Heating, we specialize in commercial HVAC repair, installation and maintenance that help businesses in San Antonio and beyond stay cool, efficient and worry-free.
We’ve built trusted relationships with businesses across San Antonio, Alamo Heights, Converse, New Braunfels, Boerne, Castroville and the surrounding South Texas communities. From quick-response emergency AC repairs to tailored maintenance plans for offices, restaurants, retail spaces and industrial facilities, we keep your systems running strong—so you can focus on running your business.
