5 Star Home Service Pros
Claim your profileList my Business

Best HVAC companies in San Marcos, TX

The highest-scoring HVAC company in and near San Marcos is Garner Heating & Air Conditioning Inc (score 84, 4.9 stars from 659 Google reviews). 4 companies meet the 5 Star standard within 25 km.

Last updated Sep 25, 2026How we rank
  1. 1

    Garner Heating & Air Conditioning Inc

    4.9 · 659 Google reviewsKyle, TX38 years in business
    Family-ownedFinancing available
    84SCORE
    (512) 392-2000 WebsiteFull profile
  2. 2

    Summit Air Conditioning & Heating, LLC

    4.9 · 490 Google reviewsBuda, TX
    77SCORE
    (512) 364-0085 WebsiteFull profile
  3. 3

    E+M Emergency Air Conditioning LLC

    4.9 · 129 Google reviewsBuda, TX
    71SCORE
    (512) 241-5837 WebsiteFull profile
  4. 4

    ProCure Heating & Air

    4.9 · 147 Google reviewsBuda, TX
    68SCORE
    (512) 254-8000 WebsiteFull profile

We list only companies that clear our published bar, so this area is still filling in. As more HVAC companies near San Marcos qualify, they'll appear here automatically.

Compare the top 4

Top HVAC companies in San Marcos by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Garner Heating & Air Conditioning Inc844.965938Kyle
2Summit Air Conditioning & Heating, LLC774.9490–Buda
3E+M Emergency Air Conditioning LLC714.9129–Buda
4ProCure Heating & Air684.9147–Buda

HVAC companies in San Marcos: quick answers

Who is the highest-rated HVAC company in San Marcos, TX?

Garner Heating & Air Conditioning Inc has the highest 5 Star Score among HVAC companies in and near San Marcos: 84 out of 100, with a 4.9 star Google rating from 659 reviews.

How many 5 Star HVAC companies serve San Marcos?

4 HVAC companies meet our standard within 25 km of San Marcos: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 4 have 1,425 Google reviews between them, averaging 4.90 stars.

How are these HVAC companies ranked?

By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.

HVAC companies near San Marcos

Other pros in San Marcos

Search another area

Try a zip code, a nearby city, or a state.

Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.