(956) 253-1451
HVAC in San Antonio, TX: row of townhomes with outdoor AC condensers along the side

HVAC in San Antonio, TX

Trusted Heating & Cooling Service in San Antonio, TX

Serving local homes and businesses with expert air conditioner, furnace, heat pump, and mini-split work.

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Our technicians providing HVAC in San Antonio, TX

Experienced HVAC Pros You Can Count On

Local residents trust Mission HVAC for no-AC and no-heat emergencies because we combine fast arrival times with thorough, professional workmanship.

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San Antonio HVAC, Done Right

Comfort in San Antonio shouldn't depend on the season. Mission HVAC keeps local homes and businesses at the right temperature year-round with fast, professional heating and cooling service, from quick furnace repairs to properly sized new systems. We've worked in nearly every neighborhood in the area, which means we've seen how these systems fail locally and we arrive prepared, with capacitors, contactors, igniters, and motors already on the truck. One call to (956) 253-1451 and the problem starts getting solved.

Technician explaining thermostat settings to a homeowner in San Antonio, TX
A quick walkthrough of the thermostat settings is part of the visit.

Heating and Air Conditioning Service Across San Antonio

Heating and cooling around here means a wide mix of equipment: older gas furnaces on the older streets, high-efficiency heat pumps in recent construction, ductless mini-splits in additions and converted garages, and packaged units on commercial buildings. Our team handles all of it. Our technicians have years in the field, and we've learned how the weather here, the housing stock, and code requirements affect the way equipment performs and fails.

Most homeowners we meet need one of three things: a repair, a replacement, or a seasonal tune-up. Repairs tend to be straightforward: a failed capacitor, a dirty flame sensor, a refrigerant leak, or a seized blower motor. Replacements get a proper load calculation, not a guess based on the old unit's tonnage, which keeps temperatures even and stops the new equipment from short-cycling itself to an early death. Maintenance visits cover coil cleaning, a refrigerant charge check, safety control testing, and a static pressure reading, which does more than anything else to extend equipment life.

Commercial service is a big part of what we do as well. We maintain and repair rooftop units, split systems, and ventilation equipment for restaurants, retail stores, offices, and multi-unit properties, and we know that every hour of downtime costs your bottom line. To keep disruptions short, we carry common parts on every truck, diagnose quickly, and plan larger jobs around your operating hours whenever possible.

Fast HVAC Response in San Antonio

Heating and cooling failures rarely wait for a convenient day, which is why we offer fast, flexible scheduling for most situations. When you call, you'll speak with a real person who gets a technician headed to your door without delay. Arrival in the area is typically within a day for urgent calls, and a dead AC in a heat wave or a furnace out on a freezing night is the kind of call we move to the front of the line.

Common emergencies we handle include air conditioners blowing warm air, outdoor units that hum but won't start, furnaces that ignite and then shut down, breakers that trip every time the system runs, iced-over evaporator coils, clogged condensate drains backing up into the furnace cabinet, and thermostats that have simply given up. Our trucks carry the capacitors, contactors, igniters, flame sensors, universal control boards, and fittings needed to finish most repairs in a single visit. We provide upfront pricing every time, so you know exactly what the work will cost before we begin.

If your AC has iced over, the most helpful thing you can do before we arrive is switch the system off at the thermostat and set the fan to "on" so the coil can thaw. Running it frozen can flood the drain pan and strain the compressor. If a furnace is short-cycling or you smell something burning, turn it off at the service switch and call (956) 253-1451. A few minutes of caution can head off a much larger repair.

Keeping Your San Antonio HVAC System Running Longer

Routine maintenance makes all the difference between a system that runs for years and one that quits in the middle of the season. Our advice for homeowners is a short list: fresh filters every one to three months, at least two feet of open space around the outdoor condenser, a gentle rinse each spring for the condenser coil, and a professional tune-up every spring and fall, so small issues get caught early.

Equipment age matters just as much. With regular service, a central air conditioner usually runs 12 to 15 years, a furnace 15 to 20, and a heat pump 10 to 15. Once a system passes that range and starts showing warning signs, like rising energy bills, rooms that won't reach the setpoint, or repeat service calls, it's smart to start planning a replacement. Replacing on your own schedule is cheaper and is far less stressful than an emergency swap during the worst heat wave of the year.

The sooner you call about a comfort problem, the smaller the repair tends to be. A capacitor that's starting to fail is an easy, low-cost part to replace, yet the same part, neglected for a season, can ruin the compressor and turn a simple fix into a full system replacement. Save our number in your contacts today so you can reach us fast the moment something sounds or feels wrong in your home. Early intervention saves time, money, and miserable nights.

Comfort Challenges San Antonio Homeowners Face

The service calls we run around here tend to follow the calendar. In summer it's air conditioners humming but not cooling, weak capacitors that finally quit on the first hot week, and iced-over evaporator coils. In winter it's furnaces that light and shut back down, dirty flame sensors, and igniters that fail on the first cold night. Year-round we see thermostats misreading rooms, rising energy bills from dirty coils, and ductwork that leaks conditioned air into attics and crawlspaces. All of them start small, and all of them cost less to fix early. If your system is showing symptoms, call (956) 253-1451 before the season turns it into an emergency.

Your Neighborhood Technicians

Living and working here gives us firsthand knowledge of what local homes need to stay comfortable. From capacitors that quit in a heat wave to igniters that fail on the first cold night, our technicians know what to look for and how to fix it.

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Heating & Cooling Services We Provide

We provide a full range of residential and commercial HVAC services to residents across the community, including:

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The Reason San Antonio Keeps Calling Us

Mission HVAC treats this community like our own backyard, because it is. We show up when we say we will, we diagnose before we quote, and we put real numbers on both repair and replacement so you can decide with facts instead of pressure. Our technicians are seasoned on everything from 20-year-old furnaces to inverter heat pumps, our trucks carry the parts that actually fail, and our work is tested before we leave. That's why neighbors here pass our number around.

Homeowners reviewing repair options at the kitchen table in San Antonio

HVAC FAQ for Local Residents

Most repairs fall between $150 and $650 depending on the part and system type, while full system replacements usually run from around $5,000 to $12,000 installed, depending on size and efficiency. Every job starts with a diagnostic and a written, upfront quote. The price you approve is the price you pay, with no surprise line items.
There isn't one magic number, but a few rules of thumb help. Most component failures on systems under about 10 years old are worth the repair. Past the 15-year mark, or after a failed compressor or cracked heat exchanger at any age, a replacement usually makes better financial sense, especially with the efficiency gains newer equipment offers. We'll show you both numbers honestly and let you decide, because we'd rather earn your trust than sell you a system you don't need yet.
We do offer twice-a-year maintenance across the area. The spring visit focuses on cooling: coil cleaning, a refrigerant charge check, capacitor testing, and airflow readings. The fall visit covers heating: cleaning the burners, checking combustion, and testing every safety control. Keeping up with both visits adds years to your equipment, helps prevent breakdowns during the worst weather of the year, and usually pays for itself in energy savings.
In many cases, yes. Ductless mini-splits work especially well in room additions, garages, sunrooms, and older homes that never had ducts. Our approach starts with sizing each zone for the real load of that room, followed by careful placement of the indoor and outdoor units and a clean install of the line set, condensate drainage, and electrical connections. If central equipment would be the better choice for your home, we'll let you know.
Most calls are scheduled the same day, and a home with no heat or no cooling moves to the top of our list. When you call at (956) 253-1451, you'll get a straight arrival window, and because the technician arrives with capacitors, contactors, igniters, and motors on the truck, most repairs wrap up in one trip.
Yes. We repair all major brands of air conditioners, furnaces, heat pumps, and ductless mini-splits. When a system is beyond saving, we handle the complete replacement: hauling away the old equipment, installing a properly sized new system, and testing everything in every mode. You get a clear quote for each option before deciding.
Check the thermostat setting and batteries, the filter, and the breakers for both the indoor and outdoor units. If the outdoor unit hums but won't start, or ice has built up on the copper lines, shut the system off so the compressor isn't damaged and call us at (956) 253-1451. We'll get a technician headed your way as quickly as possible.
All major brands, including Carrier, Trane, Lennox, Rheem, Goodman, and York, plus ductless systems from Mitsubishi, Fujitsu, and LG. Our technicians carry universal parts that fit most units and can source brand-specific components quickly when a repair calls for them.

Other Communities Nearby

Beyond this community, we cover the surrounding towns with the same fast service.

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