HVAC Repair in San Antonio, TX78254
Arctic Air Heating & Cooling dispatches licensed, insured heating and air conditioning technicians toSan Antonio and the 78254 ZIP code 24 hours a day, 7 days a week. Target response time in this service zone: 60-90 minutes.
We treat 78254 as a dedicated service zone. Extended extreme heat, attic temperatures well above 140 degrees, and grid stress during heat waves are the norm. Because the equipment here works hard for a long season, we lean heavily on catch-it-early diagnostics rather than emergency replacements.
Talk to a live dispatcher in San Antonio
Serving 78254 and Bexar County — no phone trees, no callback waiting.
- No overtime charges for evenings, weekends or holidays
- Manufacturer-trained on Mitsubishi Electric, Rheem and Carrier equipment
- Free second opinion on any replacement quote over $3,000
- Upfront honesty: if it is a $40 capacitor, we say so
★★★★★4.7 average · 238 verified reviews
- Licensed & Insured Technicians
- Background-Checked Crews
- Upfront Flat-Rate Pricing
- Same-Day & Next-Day Service
- No Overtime Charges
- All Work Warrantied
The San Antonio78254 calls we answer most often
If your system is doing any of the following, it is worth a diagnostic before the fault gets more expensive.
Outdoor condenser humming but the fan not turning
Water pooling around the indoor unit or ceiling stains
Loud banging on start-up (compressor slugging)
Refrigerant leak at a flare or coil connection
Short cycling — on and off every few minutes
Dead or bulging run capacitor on the condenser
Heating and air conditioning service built around San Antonio
Serving San Antonio and the wider Bexar County area, our crews carry the common failure parts on the truck — capacitors, contactors, igniters, flame sensors, motors and filters — so the first visit is usually the last one.
Local homeowners often run their system harder than the design intended, especially during March through November. That accelerates wear on contactors, capacitors and blower bearings.
We recommend two maintenance visits a year in Texas: one before March through November and one before December through February. It is the single highest-return thing a homeowner can do for equipment life.
Typical San Antonio service pricing
| Service | Typical Range |
|---|---|
| Diagnostic / service call | $70 – $140 |
| Capacitor replacement | $167 – $391 |
| Contactor replacement | $177 – $419 |
| Refrigerant leak repair + recharge | $298 – $837 |
| Blower motor replacement | $419 – $884 |
| Compressor replacement | $1,302 – $2,697 |
| Hot surface igniter / flame sensor | $149 – $372 |
| Furnace control board | $353 – $791 |
| Condensate drain / float switch | $121 – $316 |
| Thermostat install (wired or smart) | $140 – $419 |
| Duct cleaning (whole home) | $353 – $837 |
| Full system replacement (installed) | $5,580 – $12,090 |
Market ranges reported for San Antonio, TX and the wider South-Central region. Your flat-rate quote is confirmed on site before any work begins.
Services available in 78254
Residential and light commercial, all major brands, all hours.
Air Conditioning Repair in San Antonio
Diagnosis and repair for central air conditioners, heat pumps in cooling mode, ductless mini-splits and packaged rooftop units.
Furnace Repair in San Antonio
Gas, propane, oil and electric furnace troubleshooting and repair.
HVAC Installation & Replacement in San Antonio
Full system replacement and new construction installs with a Manual J load calculation so the equipment is actually sized for your home.
Heat Pump Repair & Service in San Antonio
Heat pump diagnosis and repair for both heating and cooling operation, including cold-climate units, defrost board failures, reversing valve problems, auxiliary heat strip faults and refrigerant charge issues.
24/7 Emergency HVAC Repair in San Antonio
Around-the-clock response for no-heat in freezing weather, total AC failure during a heat wave, gas smells, carbon monoxide alarms, water flooding from the indoor unit and complete system shutdowns.
Air Duct Cleaning & Sealing in San Antonio
Whole-home duct cleaning and aeroseal-style duct sealing to recover lost airflow, reduce dust and lower the load on your equipment.
HVAC Maintenance & Tune-Up in San Antonio
Seasonal precision tune-ups that catch failing components before they strand you.
Commercial HVAC Service in San Antonio
Service for light commercial and commercial properties including rooftop packaged units, VRF and VRV systems, split systems, make-up air units and building automation controls.
What happens when you call
No forms, no waiting for a callback window. One phone call starts the whole process.
- Step 1: Call the dispatch lineYou reach a live dispatcher, not a recording. They confirm your address, the symptom you are seeing and how urgent it is.
- Step 2: Get matched to the nearest licensed techDispatch routes your job to the closest available licensed technician who already carries the common parts for your equipment.
- Step 3: On-site diagnosis with a flat quoteThe tech tests the system, shows you what failed and gives you a written flat-rate price before any work starts.
- Step 4: Approved repair, same visit when possibleMost repairs are finished on the first visit. If a part has to be ordered you get a firm return window, not a maybe.
Servicing San Antonio and Bexar County
Our 78254 coverage zone centres on San Antonio and extends to the surrounding communities listed below. Every technician dispatched into this area is licensed, insured and background-checked, and every job carries a workmanship warranty.
What San Antonio homeowners say
“AC died during a heat advisory. Dispatch was honest that it would be a few hours, then called me the moment a slot opened.”
— Angela W., verified San Antonio customer
“New ductless install, clean work, and they actually did a load calculation instead of just matching the old unit size.”
— Kevin M., verified San Antonio customer
San Antonio78254 HVAC questions, answered
What does a new system cost in San Antonio?
A complete residential replacement in the 78254 area generally lands between $6,000 and $13,000 installed, depending on capacity, efficiency rating and how much ductwork has to be modified. We always perform a Manual J load calculation first, because an oversized unit costs more to buy and runs worse than a correctly sized one.
Are your technicians licensed and insured?
Every technician dispatched into San Antonio is licensed, insured and background-checked. We can provide proof of insurance on request before the visit if you would like it on file.
How quickly can a technician get to San Antonio?
For the 78254 service area our target response time is 60-90 minutes from the moment dispatch confirms your address. Real-world timing depends on the day — the first sustained heat or cold snap of the season is always our busiest period — but we hold technicians locally specifically so that window is achievable rather than aspirational.
Why is my system short cycling?
Short cycling in San Antonio most often comes from a restricted airflow path — a loaded filter, a closed register, an undersized return — or from an oversized unit. It can also be a failing flame sensor or a pressure switch fault. We measure static pressure and temperature rise before concluding anything, because guessing at this one is expensive.
Is my system low on refrigerant, or is it leaking?
Refrigerant does not get "used up" the way fuel does. If your charge is low, there is a leak somewhere — usually at a flare connection, a schrader core or the evaporator coil. We locate and repair the leak rather than simply topping up the charge, because a top-up alone will fail again.
How much does an HVAC service call cost in 78254?
A diagnostic visit in San Antonio typically runs $75 to $150, and that fee is usually applied toward the repair if you approve the work. Repair prices are quoted as a flat rate before we start, so the number you approve is the number you pay regardless of how long the job takes.
HVAC service near San Antonio, TX
We also cover these Texas communities with the same 24/7 dispatch line.
Need HVAC help in San Antonio 78254?
Do not wait until the house is unbearable. Call (866) 548-3173, get a real diagnosis, and get a written price before any work starts.
(866) 548-3173Answered 24 hours a day, 365 days a year