Top Picks · San Marcos
Best HVAC Companies in San Marcos, TX
Rated and reviewed by real customers. Compare prices, read reviews, and call the top pros near you — for free.
As of May 2026, RatingsNearMe ranks 16 hvac companies in San Marcos, TX by verified customer ratings and review volume. The highest-rated is Legacy Home Services with a 5.0-star rating from 2,733 verified reviews. Also in the top tier: SM Air A/C & Heating and Joe Cools A/C & Heating. The average rating across all listed hvac companies in San Marcos is 4.9 stars from 331 reviews per business on average.
HVAC service in San Marcos: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated May 17, 2026 · Scored by ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
16
Businesses listed
4.9★
Avg rating
331
Avg reviews
May 17, 2026
Last updated
Top Rated HVAC Companies
Legacy Home Services
2001 Wald Rd, New Braunfels, TX 78132, USA
Joe Cools A/C & Heating
527 E Kingsbury St, Seguin, TX 78155, USA
HVAC Companies Rankings in San Marcos, TX
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Legacy Home Services2001 Wald Rd, New Braunfels, TX 78132, USA | 5.0★ | 2,733 |
| #2 | SM Air A/C & Heating3500 TX-123, San Marcos, TX 78666, USA | 5.0★ | 713 |
| #3 | Joe Cools A/C & Heating527 E Kingsbury St, Seguin, TX 78155, USA | 4.9★ | 390 |
| #4 | San Marcos HVAC Cooling Service204 N LBJ Dr, San Marcos, TX 78666, USA | 5.0★ | 4 |
| #5 | So Cool Service, LLC3519 TX-21, San Marcos, TX 78666, USA | 4.9★ | 109 |
| #6 | Fast AC & Heating111 Old Main Dr, San Marcos, TX 78666, USA | 5.0★ | 12 |
| #7 | Reliable Air4702 TX-123 Suite C, San Marcos, TX 78666, USA | 4.9★ | 136 |
| #8 | Marvin's Heating & Air Conditioning102 Manor Park Rd, San Marcos, TX 78666, USA | 4.8★ | 25 |
| #9 | PerfectTemp Heating & Air Conditioning105 United Dr, San Marcos, TX 78666, USA | 4.8★ | 91 |
| #10 | Authentic Air215 Calixto Ct, San Marcos, TX 78666, USA | 5.0★ | 84 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated May 2026
All HVAC Companies in San Marcos
San Marcos HVAC Cooling Service
204 N LBJ Dr, San Marcos, TX 78666, USA
Marvin's Heating & Air Conditioning
102 Manor Park Rd, San Marcos, TX 78666, USA
PerfectTemp Heating & Air Conditioning
105 United Dr, San Marcos, TX 78666, USA
Comfy Air AC and Furnace Repair
340 E Torrey St Suite 101, New Braunfels, TX 78130, USA
San Marcos HVAC Experts
621 Clyde Ct, San Marcos, TX 78666, USA
AirOne Heating and Air Conditioning
4105 Hunter Rd Building 8, Ste 11, San Marcos, TX 78666, USA
Quality HVAC & Refrigeration
105 Picasso Dr, San Marcos, TX 78666, USA
American Air Heating and Air Conditioning
415 N Guadalupe St, San Marcos, TX 78666, USA
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Frequently Asked Questions — HVAC Companies in San Marcos
How do I find the best hvac companies in San Marcos?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in San Marcos on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in San Marcos licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, TX requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do hvac companies charge in San Marcos, TX?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a hvac companies in San Marcos?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the hvac companies on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every hvac companies on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: May 17, 2026.
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