HVAC companies serving 78666, San Marcos, TX
20 licensed contractors serve San Marcos, 8 of them install mini splits. Homes in 78666 are a mix of ages (typical: 1997), with 54% built before 2000.
Housing figures: U.S. Census Bureau, American Community Survey 2019-2023 5-year estimates, ZCTA 78666.
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1
Woods Comfort Systems, LLCTop 10
4.9 ★★★★★ 3,118 Google reviews✓ License active through Mar 2027 · ✓ No TDLR enforcement orders
Serves Austin, Bee Cave, Buda, Dripping Springs, Georgetown and more
Woods Comfort Systems, LLC is a family-owned contractor serving Hays County. Homeowners hire it for AC installation, heating repair, ductwork, and 24/7 emergency service.
- Ductless mini splits
- Heat pumps
- AC install / replace
- AC repair
- +10 more
Family ownedFinancingFree estimatesWhy #1: Lists both mini splits and heat pumps, offers financing through Goodleap, in business since 2008.
75/ 100woodscomfortsystems.com (512) 253-8927 Monday – Sunday 7:30am–5:00pm Verified October 4, 2026 -
2
Climate Mechanical IncTop 10
4.8 ★★★★★ 93 Google reviews✓ License active through Apr 2027 · ✓ No TDLR enforcement orders
Serves Austin, Cedar Park, Dripping Springs, Kyle, Round Rock and more
Climate Mechanical Inc installs and services ductless mini splits for residential and commercial spaces. Homeowners request AC repair, heat pump installation, indoor air quality solutions, and maintenance plans.
- Ductless mini splits
- Heat pumps
- AC install / replace
- AC repair
- +7 more
FinancingMaintenance planSame-day serviceWhy #2: Lists both mini splits and heat pumps, offers financing through Wells Fargo, in business since 1988.
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3
Abernathy Air LLCTop 10
4.9 ★★★★★ 32 Google reviews✓ License active through Apr 2027 · ✓ No TDLR enforcement orders
Serves Bastrop, Buda, Kyle, Lockhart, New Braunfels and more
Abernathy Air LLC has operated since 2009. Homeowners hire them for AC installation and replacement, AC repair, 24/7 emergency service, heat pumps, heating and furnace work, maintenance and tune-ups, or ductless mini splits.
- Ductless mini splits
- Heat pumps
- AC install / replace
- AC repair
- +3 more
FinancingMaintenance planSatisfaction guaranteeWhy #3: Lists both mini splits and heat pumps, offers financing, in business since 2009; no posted price.
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4
ATX Clima LLCTop 10
✓ License active through Apr 2027 · ✓ No TDLR enforcement orders
Serves Austin, Bastrop, Buda, Cedar Park, Elgin and more
ATX Clima LLC offers a stated 1-year labor warranty on all work. Homeowners hire them for AC installation, repair, maintenance, ductwork, heat pumps, and 24/7 emergency service.
- Ductless mini splits
- Heat pumps
- AC install / replace
- AC repair
- +6 more
Family ownedFinancingLabor warrantyWhy #4: Lists both mini splits and heat pumps, states a 1-year labor warranty, offers financing; no posted price.
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5
Austin Reliance Heating & A/CTop 10
✓ License active through May 2027 · ✓ No TDLR enforcement orders
Serves Austin, Buda, Kyle, San Marcos
Austin Reliance Heating & A/C serves Travis County including Austin, Buda, Kyle, Lockhart, and San Marcos. Homeowners hire it for AC installation, repair, ductwork, heat pumps, furnace service, indoor air quality, insulation, maintenance, ductless mini splits, and smart thermostats.
- Ductless mini splits
- Heat pumps
- AC install / replace
- AC repair
- +7 more
Family ownedFree estimatesMaintenance planWhy #5: Lists both mini splits and heat pumps, holds a Class A license; no posted price.
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6
Climate ControlTop 10
✓ License active through Jul 2027 · ✓ No TDLR enforcement orders
Serves Dripping Springs, Georgetown, Lakeway, New Braunfels, San Marcos
Climate Control is based in Austin, Travis County. Homeowners request AC repair, heat pumps, heating and furnace work, ductless mini splits, indoor air quality, and 24/7 emergency service.
- Ductless mini splits
- Heat pumps
- AC repair
- Commercial
- +6 more
FinancingMaintenance planWhy #6: Lists both mini splits and heat pumps, offers financing; no posted price.
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7
SGR Air Conditioning and Heating LLCTop 10
5.0 ★★★★★ 13 Google reviews✓ License active through Mar 2027 · ✓ No TDLR enforcement orders
Serves Austin, Bee Cave, Cedar Park, Elgin, Georgetown and more
SGR Air Conditioning and Heating LLC installs and services ductless mini splits for residential and commercial properties. Homeowners call the firm for AC repair, heat pump installation, furnace maintenance, and indoor air quality solutions.
- Ductless mini splits
- Heat pumps
- AC install / replace
- AC repair
- +6 more
FinancingMaintenance planWhy #7: Lists both mini splits and heat pumps, offers financing; no posted price.
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8
Freedom Mechanical USATop 10
✓ License active through Feb 2027 · ✓ No TDLR enforcement orders
Serves New Braunfels, San Marcos, Wimberley
Freedom Mechanical USA serves Comal County including New Braunfels, San Antonio, San Marcos, and Wimberley. Homeowners request AC repair, heating and furnace work, maintenance, ductless mini splits, new construction, and refrigeration from licensed, insured technicians with financing available.
- Ductless mini splits
- AC repair
- Heating & furnace
- Maintenance & tune-ups
- +2 more
FinancingWhy #8: Offers financing, in business since 2001; no posted price.
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9
Goldstar Refrigeration LLCTop 10
5.0 ★★★★★ 8 Google reviews✓ License active through Apr 2027 · ✓ No TDLR enforcement orders
Serves Austin, Buda, Kyle, Lockhart, New Braunfels and more
Goldstar Refrigeration LLC carries Carrier, Goodman, Lennox, Ruud, Trane, and York equipment for residential and commercial systems. Homeowners call for AC installation, heat pump service, furnace repair, and 24/7 emergency coverage.
- Heat pumps
- AC install / replace
- AC repair
- Commercial
- +4 more
Labor warrantyWhy #9: States a labor warranty, holds a Class A license; no posted price.
35/ 100goldstarrefrigeration.com (830) 217-9439 Mon - Sat 8:00 am - 6:00 pm Verified October 4, 2026 -
10
Arrow Service CenterTop 10
4.7 ★★★★★ 384 Google reviews✓ License active through Jun 2027 · ✓ No TDLR enforcement orders
Serves Austin, Buda, Cedar Park, Elgin, Georgetown and more
Arrow Service Center has operated since 1991. Homeowners hire it for AC installation, heating and furnace work, indoor air quality, and emergency service.
- AC install / replace
- AC repair
- Commercial
- 24/7 emergency
- +4 more
BBB listedFinancingFree estimatesWhy #10: Offers financing, in business since 1991, holds a Class A license; no posted price.
29/ 100arrowservicecenter.com (512) 832-1000 24/7 emergency line advertised Verified October 4, 2026