Best HVAC companies in San Marcos, TX

The highest-scoring HVAC company in and near San Marcos is Garner Heating & Air Conditioning Inc (score 83, 4.9 stars from 659 Google reviews). 5 companies meet the 5 Star standard within about 16 miles.

Last updated Nov 1, 2026How we rank
  1. 1

    Garner Heating & Air Conditioning Inc

    4.9 · 659 Google reviewsKyle, TX38 years in business

    Garner Heating & Air Conditioning Inc is a family-owned and operated HVAC company that has served Hays County and Central Texas since 1988. Based in Buda, the company provides air conditioning repair, installation, re…

    Family-ownedFinancing available
    83SCORE
  2. 2

    Summit Air Conditioning & Heating, LLC

    4.9 · 502 Google reviewsBuda, TX
    77SCORE
  3. 3

    E+M Emergency Air Conditioning LLC

    4.9 · 138 Google reviewsBuda, TX
    72SCORE
  4. 4

    ProCure Heating & Air

    4.9 · 146 Google reviewsBuda, TX
    67SCORE
  5. 5

    Texas Air Dynamics LLC

    5.0 · 49 Google reviews
    65SCORE

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 5

Top HVAC companies in San Marcos by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Garner Heating & Air Conditioning Inc834.965938Kyle
2Summit Air Conditioning & Heating, LLC774.9502–Buda
3E+M Emergency Air Conditioning LLC724.9138–Buda
4ProCure Heating & Air674.9146–Buda
5Texas Air Dynamics LLC655.049–

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: 83 out of 100, with a 4.9 star Google rating from 659 reviews.

How many 5 Star HVAC companies serve San Marcos?

5 HVAC companies meet our standard within about 16 miles of San Marcos: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 5 have 1,494 Google reviews between them, averaging 4.92 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

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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.