DIRTFinds

Best HVAC Contractors in San Marcos, TX

Looking for the best hvac contractor in San Marcos, TX? DIRT Finds ranks 19 hvac contractors by DIRT Score — a real aggregate of Google and Yelp ratings. Compare contractors side by side and request free quotes from local professionals.

#1 Rated HVAC Contractor in San Marcos

SM Air A/C & Heating

5.0DIRT Score

804 reviews

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19contractors listed

The ranked list is free and ordered by DIRT Score. Sponsored spots sit in a separate block above it.

Last updated:

Best HVAC Contractor in San Marcos — By Category

Best Value

Best Value HVAC Contractor in San Marcos

So Cool Service, LLC

4.7★121 reviews

Top-ranked for value and fair pricing among San Marcos hvac contractors, with a DIRT Score of 4.7 across 121 reviews.

“So Cool LLC Air Conditioning is an excellent company. They came out the same day and were done in about 30 minutes. Jesus took very good care of our HVAC problem. His prices are…”
Fastest Response

Fastest HVAC Contractor in San Marcos

So Cool Service, LLC

4.7★121 reviews

Top-ranked for response time among San Marcos hvac contractors, with a DIRT Score of 4.7 across 121 reviews.

“I called at 4:45 on a Monday and was fully expecting them to come the next day but Jesus picked up and was able to come fix my AC the same day. He was insightful, kind and had a…”
Best Quality

Best Quality HVAC Contractor in San Marcos

AirOne Heating and Air Conditioning

4.8★383 reviews

Top-ranked for quality of work among San Marcos hvac contractors, with a DIRT Score of 4.8 across 383 reviews.

“We had an excellent experience with AirOne Rescue! Cliffton was amazing from start to finish. He was friendly, professional, and took the time to explain everything in a way that…”
Best Communication

Best HVAC Contractor for Communication in San Marcos

AirOne Heating and Air Conditioning

4.8★383 reviews

Top-ranked for communication among San Marcos hvac contractors, with a DIRT Score of 4.8 across 383 reviews.

“Had AirOne out for AC maintenance and the experience was solid from start to finish. Cliffton was the tech — extremely professional, friendly, and genuinely knowledgeable. He…”
Best for Homes

Best HVAC Contractor for Homes in San Marcos

SM Air A/C & Heating

5.0★804 reviews

Top-ranked for residential work among San Marcos hvac contractors, with a DIRT Score of 5.0 across 804 reviews.

“My mom referred me to SM Air. They did an amazing job at a HVAC replacement. They were professional and easy to talk to as I had questions arise. I felt comfortable that they were…”
Up & Comer

Top New HVAC Contractor in San Marcos

Mr. Kool's Air-dition LLC

4.3★25 reviews

Top-ranked for rating relative to review volume among San Marcos hvac contractors, with a DIRT Score of 4.3 across 25 reviews.

“My experience with Eloy has been amazing. He is very knowledgeable and helped me and my family out. He came over when he didn’t need to at all but he had my AC fixed. He is…”

Categories are derived from customer reviews across Google, Yelp & Facebook. DIRT Score is a weighted average across all platforms.

Top 10 Best HVAC Contractors in San Marcos

Ranked by DIRT Score
🥇

SM Air A/C & Heating

804 reviews · +1512-546-7589

5.0/5

DIRT Score

🥈

AirOne Heating and Air Conditioning

383 reviews · +1512-392-0022

4.8/5

DIRT Score

🥉

So Cool Service, LLC

121 reviews · +1512-665-0940

4.7/5

DIRT Score

4

PerfectTemp Heating & Air Conditioning

100 reviews · +1737-339-7200

4.7/5

DIRT Score

5

Quality HVAC & Refrigeration

298 reviews · +1512-738-0081

4.7/5

DIRT Score

6

Mr. Kool's Air-dition LLC

25 reviews · +1512-665-1941

4.3/5

DIRT Score

7

Q Service Heating & Air Conditioning

25 reviews · +1512-757-5423

4.1/5

DIRT Score

8

Marvin's Heating & Air Conditioning

25 reviews · +1512-396-4791

4.1/5

DIRT Score

9

Competition A/C & Heat, LLC

· +1512-392-2697

DIRT Score

10

Reliable Air

· +1512-580-8837

DIRT Score

DIRT Score = weighted average of Google & Yelp ratings. Updated monthly. Add your business →

19 hvac contractors in San Marcos

HVAC Contractors near San Marcos, TXOpen in Maps →

Frequently Asked Questions

Which hvac contractor in San Marcos has the best prices?

So Cool Service, LLC ranks first for value and fair pricing among San Marcos hvac contractors. DIRT Score 4.7 across 121 reviews.

Which hvac contractor in San Marcos responds the fastest?

So Cool Service, LLC ranks first for response time among San Marcos hvac contractors. DIRT Score 4.7 across 121 reviews.

Which San Marcos hvac contractor does the highest quality work?

AirOne Heating and Air Conditioning ranks first for quality of work among San Marcos hvac contractors. DIRT Score 4.8 across 383 reviews.

Which hvac contractor in San Marcos communicates best with customers?

AirOne Heating and Air Conditioning ranks first for communication among San Marcos hvac contractors. DIRT Score 4.8 across 383 reviews.

Who should I hire for hvac contractor work on a home in San Marcos?

SM Air A/C & Heating ranks first for residential work among San Marcos hvac contractors. DIRT Score 5.0 across 804 reviews.

Which newer hvac contractor in San Marcos is worth hiring?

Mr. Kool's Air-dition LLC ranks first for rating relative to review volume among San Marcos hvac contractors. DIRT Score 4.3 across 25 reviews.

Who are the best hvac contractors in San Marcos?

Based on DIRT Score (aggregated from Google and Yelp), the top-rated hvac contractors in San Marcos are: SM Air A/C & Heating, AirOne Heating and Air Conditioning, So Cool Service, LLC.

How much does a hvac contractor cost in San Marcos?

Costs vary by job type and scope. Request free quotes from multiple hvac contractors in San Marcos to compare pricing.

Are hvac contractors in San Marcos licensed?

Most hvac contractors in San Marcos, TX are required to carry a state license. Always confirm before hiring.

How is the DIRT Score calculated?

The DIRT Score is a weighted average of ratings from Google and Yelp, weighted by review count. It gives you a single, honest number to compare contractors at a glance.