HVAC trouble is stressful, fixing it shouldn't be. Mission HVAC makes it simple with same-day appointments, honest quotes, and workmanship that lasts.
A house with no cooling in summer or no heat in winter can't be put on hold, so we don't. We send experienced technicians out for same-day visits and repairs built around how these systems actually fail in our local homes.
One call handles it all. AC repairs, furnace service, heat pumps, mini-splits, duct cleaning, and emergencies, handled by experienced professionals.
Cold air back fast, with the common parts already on the truck.
Igniters, flame sensors, blowers, and boards fixed, most in one visit.
Heating systems of every type repaired and tested before we leave.
One call for any breakdown, heating or cooling, with the fault found and fixed.
Targeted comfort for additions, garages, and rooms the ducts never reached.
New furnaces installed with proper venting, gas work, and a full startup test.
New HVAC systems, sized, sealed, and commissioned the right way.
Coils cleaned, charge checked, safeties tested, twice a year.
Aging system? We'll show you the numbers before you decide.
Heat pumps sized for your climate, with backup heat set up correctly.
Efficient AC systems, correctly sized and installed to last.
Dust, odors, and weak airflow traced back to the ductwork and fixed.
Taking calls now·Talk with someone about your HVAC needs
Most of the calls we answer come down to two things: a house that won't cool, or a house that won't heat. Here's how we handle both.
Most air conditioner breakdowns trace back to one failed part: a weak capacitor, a burned contactor, a seized fan motor, or a slow refrigerant leak. We diagnose it with gauges and meters, not guesswork. Pricing is upfront, and we'll tell you honestly whether a repair is worth it on an older unit.
When the furnace clicks but never lights, lights and shuts off, or runs without warming the house, the cause is usually one component. We test the ignition, airflow, and safety controls to find it. Every visit includes a safety check of the burners and venting, and you'll know the price before we start.
HVAC trouble shows up in many ways. If you're facing any of these problems, call us today for expert help.
Low refrigerant, a failed compressor start, or a dirty condenser can all masquerade as the same symptom. Real diagnosis beats parts-swapping every time.
AC repairIf the blower runs but the air never warms, or the unit clicks without lighting, the failure is diagnosable in minutes with the right tools.
Furnace repairWeak airflow at the vents points to duct restrictions, a struggling blower, or high static pressure. A tune-up finds it before it kills the motor.
Maintenance & tune-upsWe size replacements with a real load calculation, not a guess, so the new system delivers even temperatures and lower bills from day one.
System replacementYour ducts move the same air thousands of times a day. Years of dust, dander, and construction debris ride along until they're cleaned out.
Air duct cleaningA garage office, a converted attic, or that one bedroom the ducts never reached, a ductless mini-split solves it without tearing open walls.
Mini-split installationA house at 90 degrees is an every-hour problem, so we treat it like one. Same-day appointments across Mission, with evenings and weekends available.
Experience is what separates a lasting fix from a temporary one. Our technicians have spent years reading these systems, refrigerant behavior, combustion, airflow, electrical faults, and matching the repair to the actual cause.
We treat your budget like our own: fix what's fixable, replace what isn't, and size every new system to your home instead of the biggest thing on the truck.
We don't just swap the failed part. We check what killed it, airflow restriction, voltage, refrigerant charge, drainage, and correct that too, so the same failure doesn't repeat next season.
For over a decade, Mission HVAC has been the trusted name for HVAC service in this part of TX. Our locally based technicians understand the unique challenges that local comfort systems face, from the age of local housing stock and its ductwork quirks to the code requirements local inspectors actually check.
Anyone can bolt in a condenser. Lasting comfort comes from understanding the home and the system together, and that's where our years working in this area pay off, fewer callbacks, faster fixes, and installs that pass inspection without drama.
Speak directly with a local HVAC expert. Upfront pricing, no obligation.
From the first call to the final airflow check, our method is built to solve the problem completely the first time.
Ring (956) 253-1451 whenever it suits you. We'll talk through the symptoms, tell you if anything needs immediate attention, and lock in a visit time that fits your schedule.
Our technician tests the system, capacitors, motors, refrigerant charge, ignition, airflow, safeties, pinpoints the actual fault, and presents your options with clear, upfront pricing.
From swapping a contactor to setting a new condenser, every job gets the same standard: right parts, right sizing, right workmanship.
The job isn't done until conditioned air is flowing and verified. We'll also show you the simple habits, and offer the maintenance schedule, that add years to the system's life.
Upfront pricing · Same-day service available
A house with no AC in a heat wave isn't something to wait out. Here's what our team does the moment you call to get it under control.
When you call (956) 253-1451, you reach our local team directly. We listen to what's going on, note the details that matter, and get you on the books, often within hours, with quick guidance on what to do until we arrive.
Your technician shows up ready to work, not just to look. The common failure parts ride on every truck, so the visit moves straight from diagnosis into repair.
The fault is identified, capacitor, motor, refrigerant leak, control board, or the compressor itself. Right away, we complete the repair on the spot whenever parts allow, or quote the replacement with real numbers if the unit is done.
Seasonal maintenance runs on your schedule, so you never have to think about it, to clean coils and test components before they cost you a compressor. Staying ahead of the problem is how equipment reaches year 15 and beyond.
"Half our house was always five degrees warmer than the thermostat said. The tech found crushed flex duct and a dampener stuck half-closed, then set up a new smart thermostat and actually taught us how to use it. The whole house is finally even."
"When our old furnace was on its last legs, they walked us through converting to a heat pump instead of just quoting a like-for-like swap. The first winter's bills were noticeably lower, and we got cooling out of the same equipment. Zero regrets on this one."
"From the estimate to the final walkthrough, the whole install was smooth and organized. The crew wore shoe covers, put down drop cloths, hauled off the old equipment, and the final bill matched the quote exactly. The new system is so quiet we barely notice it running. I'd send anyone in Mission their way."
Good HVAC service comes down to doing the small things right. These are the commitments that earn Mission HVAC repeat customers and referrals year after year.
The difference shows up in the results. Our technicians have logged real years on these systems, so they identify the actual fault the first time and fix it properly instead of throwing parts at your system until something sticks.
We match every replacement to an actual load calculation rather than defaulting to whatever's on the truck. Installations include the details that matter: sealed duct connections, correct line sets, proper condensate handling, clean electrical work. You get a system that performs for years, not just on day one.
A maintained system simply lasts longer, and we'd rather earn your trust than sell you a condenser early. Every maintenance visit is thorough and documented. For hard-working systems, a $40 capacitor caught early can save a $2,000 compressor. Period.
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