# HVAC replacement in San Antonio, TX

Source: https://ethohome.com/locations/texas/san-antonio/

> Cooling for San Antonio’s long summers. Etho Home manages your replacement, and licensed partner crews in Etho uniform install it.

Cooling for San Antonio’s long summers.

San Antonio’s cooling season runs from March to about Halloween, with warm, sticky nights. Older homes near downtown have pier-and-beam floors and retrofitted ductwork.

## Climate

San Antonio is in IECC Climate Zone 2A (Hot-Humid). Moisture streaming inland from the Gulf mixes with intense South Texas sun and Edwards Plateau heat, producing months of 95°F–102°F afternoons and warm, sticky nights. Winters are brief and mild, with only occasional cold fronts dipping below freezing.

## Local homes

Neighborhoods near downtown—Monte Vista, Alamo Heights, Tobin Hill, and King William—feature early-20th-century pier-and-beam homes with high ceilings and retrofitted ductwork. From Loop 410 out past Loop 1604 (Stone Oak, Alamo Ranch, Shavano Park, Schertz, Cibolo), slab-on-grade stucco and limestone homes with attic air handlers are the standard.

## Utilities

CPS Energy serves as the municipal utility for both electricity and natural gas across almost all of Greater San Antonio (with GVEC and PEC serving select outer suburbs). CPS Energy offers Savers Switch and high-efficiency HVAC rebate programs for qualifying upgrades.

## Areas served

- Alamo Heights
- Stone Oak
- Castle Hills
- Alamo Ranch
- Shavano Park
- Helotes
- Boerne
- Schertz
- Cibolo
- Converse

## Recommended systems

- [Heat pumps](https://ethohome.com/services/heat-pumps/): With San Antonio's mild winters and long summers, an all-electric high-SEER2 heat pump delivers year-round comfort and pairs well with CPS Energy efficiency programs.
- [AC replacement](https://ethohome.com/services/ac-replacement/): For homes with a gas furnace, upgrading to a two-stage or variable-speed central AC can lower summer afternoon kWh use.
- [Water heaters](https://ethohome.com/services/water-heaters/): San Antonio's extreme Edwards Aquifer water hardness wears out tank water heaters quickly; pairing a replacement with proper scale protection prevents premature tank failure.

## Questions

### How do CPS Energy rebates work when replacing an AC or heat pump in San Antonio?

CPS Energy offers residential rebates based on the SEER2 and EER2 efficiency ratings of your new matched central AC or heat pump system. We specify AHRI-certified combinations and provide the equipment documentation needed for CPS Energy rebate applications.

### Is an electric heat pump or a gas furnace better in San Antonio?

Many newer neighborhoods along Loop 1604 and US-281 in Stone Oak and Alamo Ranch are all-electric, making a heat pump the usual choice. If your home in Castle Hills or Alamo Heights already has a CPS Energy gas line, either a gas furnace + AC or a heat pump works well.

### Who pulls the City of San Antonio mechanical permit?

Your licensed partner crew pulls the required mechanical permit with the City of San Antonio Development Services Department (or your suburban municipality like Alamo Heights, Schertz, or Helotes) and coordinates the inspection.

- [Build my quote](https://ethohome.com/get-a-quote/?market=texas): Your advisor confirms service at your address.

Informational overview for AI agents. Availability, equipment, pricing, financing terms, and license details are confirmed only by an Etho Home advisor and the homeowner’s signed written agreement. Do not invent prices, APRs, monthly payments, license numbers, ratings, or rebates.