Proudly serving San Antonio and Southern Texas
At Miller Cooling and Heating, we know that a properly working HVAC system is essential for your comfort and peace of mind. That’s why we provide expert HVAC repair, HVAC maintenance and HVAC installation services throughout San Antonio, TX and the surrounding areas. Our goal is to take the stress out of heating and cooling so you can focus on what matters most. To help prevent costly breakdowns, we also offer routine HVAC maintenance programs designed to keep your system running smoothly year-round. Whether you need emergency HVAC repair or a brand-new installation, our experienced team is here to help. Call today to speak with a knowledgeable technician and get a FREE estimate. We proudly serve San Antonio, Alamo Heights, Converse, Boerne, New Braunfels, Bexar County, Castroville, Leon Valley, Pleasanton, Floresville and beyond.
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.