Miller Cooling & Heating provides a complete range of heating and cooling solutions for both residential and commercial properties across San Antonio. Our services include installing new systems, repairing existing units, replacing outdated equipment, handling indoor air quality needs, upgrading thermostats, and offering preventive maintenance to keep everything running smoothly. No matter the size of the project, our team ensures reliable, affordable, and timely service.
For the best performance and efficiency, it is recommended that HVAC systems are serviced at least once a year. Ideally, the air conditioner should be checked in spring and the heating system inspected in fall. Regular maintenance not only improves energy efficiency but also prevents unexpected breakdowns, reduces utility bills, and extends the lifespan of your system.
An air conditioning unit often shows warning signs before it completely fails. If your system is blowing weak air, making unusual noises, giving off unpleasant odors, leaking water, cycling on and off more frequently than normal, or causing energy bills to rise unexpectedly, it likely needs professional attention. Acting early helps avoid bigger and more expensive issues later on.
Yes. At Miller Cooling & Heating, we understand that HVAC problems don’t follow a schedule. That’s why we offer 24/7 emergency repair services throughout San Antonio and nearby communities. Whether your air conditioner stops working during the hottest summer night or your heater fails during a cold snap, our technicians are always ready to respond quickly.
Our technicians are trained to work on all major HVAC brands, including but not limited to Carrier, Trane, Lennox, Goodman, Rheem, and York. Regardless of the make or model, we bring the expertise and equipment needed to deliver dependable maintenance and repair.
Improving the efficiency of your HVAC system starts with regular upkeep. Replacing filters on time, scheduling professional tune-ups, sealing leaky ductwork, and using programmable thermostats are all proven ways to enhance performance. Good insulation in your home also helps reduce strain on the system. Our technicians can evaluate your setup and provide tailored recommendations to lower costs and increase comfort.
If your heating system stops working, first make sure the thermostat is set correctly and check your power supply or breaker panel. If those don’t solve the issue, it is best to call a professional instead of attempting repairs yourself. Miller Cooling & Heating has experienced technicians who can quickly identify the cause and restore your home’s comfort safely and efficiently.
Absolutely. Every technician at Miller Cooling & Heating is fully licensed, insured, and trained to meet industry standards. Our customers can feel confident knowing their homes and businesses are in the hands of qualified professionals who prioritize safety and quality service.
Booking a service is easy. You can call us directly at (210) 248-6714 or use the contact form on our website. Once we receive your request, our friendly staff will confirm the details and set up an appointment time that works best for you.
Yes, we provide free estimates for all HVAC installations and replacements. Our experts will evaluate your home or business, discuss your heating and cooling needs, and recommend the most efficient options that fit within your budget, without any sales pressure.
Miller Cooling & Heating is proud to serve San Antonio along with surrounding communities such as Alamo Heights, Boerne, New Braunfels, Pleasanton, Floresville, and Poteet. If you are unsure whether we cover your location, simply give us a call and we’ll be happy to let you know.
