Heat Pump Installation & Repair in San Antonio, TX
Locally Owned Since 2016 | All Makes & Models | Financing Available
San Antonio's Heat Pump Specialists — One System for Year-Round Comfort
Emax HVAC is a locally owned heating and cooling company based in San Antonio, Texas, providing professional heat pump installation, replacement, and repair services to homeowners across the city and surrounding premium communities — including The Dominion, Stone Oak, Alamo Heights, Terrell Hills, Shavano Park, and Cordillera Ranch. Operating since 2016 as a licensed Texas HVAC contractor, our certified technicians install and service heat pumps from every major manufacturer: Trane, Carrier, Lennox, Rheem, Goodman, American Standard, and more.
A heat pump replaces both your air conditioner and your furnace with a single system. . In San Antonio’s climate, that’s not a compromise — it’s an upgrade.
Why Heat Pumps Make More Sense in San Antonio Than Anywhere Else in Texas
Heat pumps have a reputation problem in Texas. Most homeowners assume they’re “for cold climates” or “won’t work when it gets really hot.” Both are myths. In reality, San Antonio is one of the best climates in the country for a heat pump — and there’s a technical reason why.
Mild Winters Mean No Auxiliary Heat Penalty
The biggest argument against heat pumps in northern states is that when temperatures drop below 35–40°F, the system has to kick on electric resistance auxiliary heat, which is expensive to run. In San Antonio, that almost never happens. Our winter lows hover in the 40s and 50s — exactly the range where modern heat pumps run at peak efficiency. You get all the savings without the cold-climate downside.
A traditional setup means a separate AC unit and a separate gas furnace — two systems, two maintenance schedules, two things that can break, and two pieces of equipment taking up space. A heat pump replaces both. Less equipment to maintain, less to repair, and no gas line required for homes that don’t already have one. If you’re considering a traditional AC system instead, we’ll quote both options honestly so you can compare.
High Cooling Efficiency Where It Counts
Modern heat pumps rated SEER2 16+ and HSPF2 8.1+ are dramatically more efficient than the 10–15-year-old systems they typically replace. In San Antonio, where the AC runs 14–18 hours a day for six months straight, that efficiency translates directly into lower CPS Energy bills — often noticeable from the first full billing cycle.
Our Heat Pump Services in San Antonio
Whether you’re installing your first heat pump, replacing an old AC + furnace combo, or your existing heat pump just stopped working in the middle of August, Emax HVAC handles it.
Heat Pump Installation
New construction, additions, or first-time installs in homes that have never had central HVAC. We perform a full Manual J load calculation — no shortcuts, no “we’ll just match what was there before” — to size the system correctly for your square footage, insulation level, window orientation, and ductwork. Oversized systems short-cycle and fail early. Undersized systems run constantly and never cool the house. We install it right the first time, and you can compare it directly with a standard AC installation before deciding.
Heat Pump Replacement
Replacing an aging AC unit or a dying furnace? This is the moment to consider switching to a heat pump. We evaluate your existing ductwork, electrical panel capacity, and refrigerant line set, then quote you both options — like-for-like AC replacement and heat pump conversion — so you can compare real numbers, not sales pitches. Most replacements are completed in a single day.
Heat Pump Repair
Heat pump not cooling, not heating, blowing warm air, making strange noises, tripping the breaker, or stuck in defrost mode? We diagnose and repair every brand. Same-day service is available in most of San Antonio when you call before noon. You get a flat-rate quote before we touch a wrench — no hourly creep, no surprise fees. For traditional AC issues, see our AC repair services.
What's Included in Every Heat Pump Installation
A heat pump installation isn’t just “drop in the new unit.” Done right, it’s a full system commissioning. Every Emax HVAC installation includes
Pre-Installation
- Manual J load calculation for correct system sizing
- Ductwork inspection and static pressure test
- Electrical panel and breaker capacity verification
- Refrigerant line set inspection (replaced if incompatible)
- Free in-home estimate with written quote, equipment model numbers, SEER2/HSPF2 ratings, and federal tax credit eligibility
- Removal and responsible disposal of old equipment
- New outdoor heat pump and indoor air handler installation
- Refrigerant line brazing with nitrogen purge to prevent internal corrosion
- Vacuum pull to 500 microns (industry standard is 1,000 — we go further)
- Refrigerant charging by weight, then verified by superheat/subcooling readings
- New thermostat installation and programming
- Condensate drain installation and float switch wiring
- Full system commissioning report with photos
- Walkthrough of thermostat settings, filter location, and maintenance schedule
- Documentation package for your federal tax credit filing
- Manufacturer warranty registration (we file it for you)
- Emax HVAC workmanship guarantee on top of the manufacturer’s parts warranty
Heat Pump Service Across San Antonio and Surrounding Communities
We provide heat pump installation, replacement, and repair throughout San Antonio and the premium residential communities of the metro area. Our installers know these neighborhoods, the typical electrical panel setups, and the duct configurations most common in each — which makes every project smoother and every repair faster.
Primary Service Areas San Antonio (all ZIPs) · The Dominion · Stone Oak · Alamo Heights · Terrell Hills · Shavano Park · Cordillera Ranch · Helotes · Boerne · Schertz · New Braunfels (select zones)
If you’re not sure whether your address is in our coverage area, call or text 210-920-1412 and we’ll confirm in under a minute
Heat Pump Questions — San Antonio Homeowners
Will a heat pump actually keep my San Antonio home cool in 105°F heat?
Yes — and this is the question we get most often. Modern heat pumps are, mechanically, air conditioners that can also run in reverse. The cooling side is identical to (and often more efficient than) a standalone AC unit of the same SEER2 rating. A properly sized heat pump will cool your home just as well as a traditional AC, while using less electricity to do it. The “heat pumps can’t handle Texas summers” myth comes from 1980s-era equipment. Today’s systems are a different category entirely.
My current AC is 12 years old and starting to fail. Should I replace it with another AC or switch to a heat pump?
It depends on the age of your furnace. If your furnace is past 15 years, replacing both with a single heat pump usually wins — one install, one warranty, one piece of equipment instead of two. If your furnace is newer and working fine, a like-for-like AC replacement may make more sense. Emax HVAC quotes both options on the same visit so you can compare honestly.
How long does a heat pump installation take?
For most single-family homes in San Antonio, a straightforward heat pump installation is completed in one working day. That includes removing the old equipment, setting the new outdoor and indoor units, brazing refrigerant lines, pulling vacuum, charging the system, installing the thermostat, and full system testing. Projects requiring duct modifications, electrical panel upgrades, or new zoning may run into a second day, which is always disclosed in the upfront estimate.