MD Air Conditioning & Heating

When the Texas sun is blazing, your air conditioner is the most important appliance in your home. At MD Air Conditioning & Heating, we specialize in complete air conditioning solutions for homeowners in San Antonio. Whether your AC is blowing warm air, making strange noises, or has stopped working entirely, our licensed technicians can diagnose and fix the problem fast. We offer same-day service and are open seven days a week because we know you cannot wait days for relief.Our AC services includ...

While San Antonio is known for heat, our winters can bring surprising cold snaps that leave you scrambling for heat. MD Air Conditioning & Heating provides complete heating services to keep your family warm and safe when temperatures drop. From gas furnaces to electric heat systems, our technicians have seen it all and can repair any issue quickly. We are open seven days a week, so you never have to spend a freezing night waiting for help.Common heating problems we solve include no heat at all,...

Heat pumps are the smart choice for year-round comfort in San Antonio's mild winters and hot summers. MD Air Conditioning & Heating specializes in heat pump installation, repair, and maintenance. A heat pump provides both cooling and heating from a single efficient system, saving you space and money on your energy bills. We can help you decide if a ductless mini-split or a traditional central heat pump is right for your home.Ductless mini-splits are perfect for homes without existing ductwork, s...

When your air conditioner blows warm air, rattles, or quits altogether, our licensed technicians will find the cause and get it running again. We work on all makes and models, and we explain the problem and your options in plain language before any work begins. Our repairs range from filter changes and refrigerant fixes to compressor replacements, and every job comes with upfront pricing and no surprise charges. We wear shoe covers and clean up completely before we leave. If your unit keeps need...

San Antonio winters are mild, but a cold snap can leave a home without heat fast. We repair gas furnaces, electric heat systems, and other heating equipment, and we troubleshoot the root cause instead of guessing. Common calls include no heat at all, burning smells, short cycling, uneven warmth, and banging or squealing noises. Many repairs are finished in about an hour because we carry common parts on our trucks. You will get a clear price before we start. If your heater is old and inefficient,...

A new heating and cooling system is a big decision, and we want you to make it with good information. We install complete HVAC systems, and we favor premium Trane equipment for its durability and efficiency. Before recommending a system, we perform a load calculation so the unit is sized correctly for your home, since an oversized or undersized system will cost you in comfort and in energy bills. Our technicians handle the installation cleanly and explain every option in plain English. Reach out...

When your AC fails on the hottest day of the year, you need someone to answer the phone and come quickly. We are open seven days a week, and when you call you will reach a real person who can dispatch a licensed technician. Our emergency crews handle sudden breakdowns, frozen coils, no-cooling calls, and other urgent problems, and they work to restore cooling as soon as possible. You will be told the price up front, with no hidden fees added later. Call us at the first sign of trouble so a small...

A furnace that will not ignite, shuts off on its own, or makes strange sounds needs prompt attention. Our technicians diagnose gas and electric furnaces and repair the faulty parts, from igniters and blower motors to thermostats and safety controls. We always identify the root cause before replacing anything, and we give you a clear price before work begins. If your furnace is near the end of its life, we will tell you honestly whether repair still makes sense or whether replacement will save yo...

A heat pump provides both cooling and heating from one system, which makes it an efficient choice for San Antonio's warm summers and mild winters. We repair, maintain, and install heat pumps, and we can help you decide whether a central unit or a ductless system suits your home. Routine maintenance keeps the system running efficiently and helps catch small issues early. Whether your heat pump needs a repair or a tune-up, our technicians will explain what they find and what it will cost. Call us...

Ductless mini-split systems are a practical option for homes without existing ductwork, as well as for additions, garages, and converted spaces. Each indoor unit runs on its own, so you can set different temperatures in different rooms, which cuts down on hot and cold spots and wasted energy. Our technicians install mini-splits neatly and with minimal disruption to your home. We will help you choose the right number of zones and the correct capacity for each space. After installation, we can set...

Your heating, ventilation, and air conditioning system keeps your home comfortable through every season, and it deserves reliable service. We handle repairs, maintenance, and installation for residential HVAC systems in San Antonio. Our licensed technicians work on all major brands, and we recommend premium Trane equipment when a replacement makes sense. Every job starts with a clear explanation of the problem and your options, and every price is given up front. We are open seven days a week, so...