New AC Systems in San Antonio.
Hill Country installs done right — limestone-aware condenser placement, military-family scheduling, R-454B, 50% deposit.
San Antonio AC installs sit between two worlds: drier, milder than Houston but hotter on peak-day sensible load than Dallas, with Hill Country limestone that changes how outdoor units have to be anchored and drained. I'm Omar Jacobo, owner of Frosty's HVAC LLC (Texas license TACLA126718E, EPA 608 #2396328). In Alamo Heights, Olmos Park, and parts of Terrell Hills, the native caliche limestone sits 4-12 inches below grade — you can't just spike a condenser pad into the ground. We set pre-cured composite pads on a tamped crushed-limestone base, and we drill anchors into rock rather than expecting soil friction.
What Makes San Antonio AC Installs Different From the Rest of Texas?
In Alamo Heights, Olmos Park, and parts of Terrell Hills, the native caliche limestone sits 4-12 inches below grade, so we set pre-cured composite pads on a tamped crushed-limestone base and drill anchors into rock rather than expecting soil friction.
Stone Oak, the Dominion, and the Boerne-border subdivisions north of Loop 1604 have different challenges: large two-story homes on slab with long duct runs across attics that hit 145°F in August. Duct insulation and return-air sizing matter more here than brand of equipment.
Do You Work With Military Families at Lackland, Fort Sam, and Randolph?
Yes — San Antonio has roughly 80,000 active-duty and retired military in its metro, and we schedule a significant share of our San Antonio installs around PCS moves and deployment windows.
If you're PCSing in or out of Lackland, Fort Sam Houston, or Randolph AFB, we can typically schedule installs within 3-5 business days so you're not living in a sweltering house through house-hunting or move-out. Many Stone Oak, Cibolo, and Schertz homes were built with builder-grade 13 SEER equipment circa 2005-2015 and a modern 18 SEER2 Carrier typically cuts summer CPS Energy bills by 25-40%.
How Does Hill Country Limestone Affect AC Installation?
Limestone affects three things: condenser placement, condensate drainage, and natural gas runs — in Helotes, Boerne-border neighborhoods, and older Alamo Heights lots where the limestone shelf is close to the surface, condensate lines can't simply drain to a gravel pit because the ground doesn't absorb water the way it does in the Blackland Prairie around Dallas.
Southtown, King William, and the historic 78204 corridor have older homes (many pre-1940) where existing ductwork is a mix of original asbestos-wrapped trunks and later retrofit flex — in about half the historic-district homes we replace, we also rebuild the supply plenum to modern airflow specs.
What Refrigerant Do New AC Systems Use in San Antonio?
Every AC system Frosty's installs in San Antonio uses R-454B refrigerant, which replaced R-410A under the EPA AIM Act effective January 2025. R-454B has roughly 78% lower global warming potential than R-410A. The U.S. Department of Energy explains how higher SEER2 ratings translate to lower utility bills — something that compounds fast for San Antonio homeowners running cooling most of the year.
Do I Need a Permit for AC Replacement in San Antonio, TX?
Yes, San Antonio requires permits for HVAC replacement. Frosty's handles all permits — we pull them, schedule the Bexar County or San Antonio city inspector, and ensure the install passes before the final invoice. Permit fees are included in the price you see at checkout. You can verify our Texas HVAC license TACLA126718E at the Texas Department of Licensing and Regulation. My EPA 608 Universal technician ID is #2396328 — that's the federal credential required to handle R-454B refrigerant legally.
Where in San Antonio Do You Install New AC Systems?
We install in all San Antonio ZIP codes including 78201, 78205, 78209, 78216, 78230 and surrounding Bexar County addresses.
What HVAC Replacement Services Are Available in San Antonio?
Frosty's HVAC offers four replacement services in San Antonio: AC replacement ($8,000-$20,000+), furnace replacement ($4,500-$8,500), heat pump installation ($8,800-$23,000+), and mini-split installation ($4,500-$11,000+ per zone) — all installed under Texas license TACLA126718E with R-454B refrigerant and permit handling included.
More on how buying works: /how-it-works · /financing · /faq · Stay Cool tier · Stay Frosty tier · It's A Frosty Life tier.
Which AC Tier Is Best for San Antonio Homes?
For most San Antonio homes (1,800-2,500 sq ft), Stay Frosty (Carrier 18 SEER2 two-stage, $12K-$18K installed) is the best-fit tier because it handles Texas summers better than single-stage equipment. Stay Cool ($8K-$14K) fits budget-tight replacements; It's A Frosty Life ($16K-$20K+) fits luxury San Antonio homes 3,000+ sq ft. Every tier ships with licensed install, permit, removal, and Frosty Club Year 1.
Stay Cool
Reliable, efficient cooling that fits your budget.
- Efficiency
- 15 SEER2
- Compressor
- Single-stage
- Warranty
- 1-year labor warranty
- ✓Standard installation by licensed crew
- ✓Old system removal & disposal
- ✓Permit handling
- ✓Manufacturer warranty registration
- ✓1st year Frosty Club Basic membership
Stay Frosty
The sweet spot. Premium comfort without the luxury price.
- Efficiency
- 18 SEER2
- Compressor
- Two-stage (quieter, more efficient)
- Warranty
- 2-year labor warranty
- ✓Everything in Stay Cool
- ✓Ductwork inspection + sealing
- ✓1st year Frosty Club Premium membership
- ✓Smart thermostat compatible setup
It's A Frosty Life
The pinnacle. Whisper-quiet, museum-grade comfort.
- Efficiency
- 20+ SEER2
- Compressor
- Variable-speed (whisper-quiet, max efficiency)
- Warranty
- 5-year labor warranty
- ✓Everything in Stay Frosty
- ✓Complete ductwork inspection + sealing
- ✓Premium components throughout
- ✓1st year Frosty Club Premium membership
- ✓Priority service for life
What Do San Antonio Homeowners Ask Before Buying a New AC?
San Antonio homeowners ask about pricing ($8,000-$20,000+ installed for typical 1,800-2,500 sq ft homes), the best brand for Texas climate (Goodman for value, Carrier for performance, Trane for luxury), install timeline (3-7 business days from deposit), Bexar County permit handling (included — Frosty's pulls and schedules inspection), the R-454B refrigerant requirement (EPA AIM Act, 78% lower GWP), and our TACLA126718E license verification.