Best hvac contractors in san marcos (TX)

Best overall: Jon Wayne Service Company, TXScore 95/100.

Scored with one published formula from public data. Updated 2026-11-12.

1. 1. Jon Wayne Service Company — TXScore 95/100 · 4.9★ from 1,741 Google reviews
   Scores 95/100 on the Texas TXScore, driven most by reputation: 4.9★ from 1,741 Google reviews.
2. 2. Legacy Home Services — TXScore 94/100 · 5★ from 2,656 Google reviews
   Scores 94/100 on the Texas TXScore, driven most by reputation: 5★ from 2,656 Google reviews.
3. 3. Thayer Air Conditioning — TXScore 94/100 · 4.9★ from 718 Google reviews
   Scores 94/100 on the Texas TXScore, driven most by reputation: 4.9★ from 718 Google reviews.
4. 4. Mend Services — TXScore 94/100 · 5★ from 517 Google reviews
   Scores 94/100 on the Texas TXScore, driven most by reputation: 5★ from 517 Google reviews.
5. 5. Woods Comfort Systems — TXScore 93/100 · 4.9★ from 2,642 Google reviews
   Scores 93/100 on the Texas TXScore, driven most by reputation: 4.9★ from 2,642 Google reviews.
6. 6. SM Air A/C & Heating — TXScore 93/100 · 5★ from 692 Google reviews
   Scores 93/100 on the Texas TXScore, driven most by reputation: 5★ from 692 Google reviews.
7. 7. Garner Heating & Air Conditioning Inc — TXScore 93/100 · 4.9★ from 605 Google reviews
   Scores 93/100 on the Texas TXScore, driven most by reputation: 4.9★ from 605 Google reviews.
8. 8. Del's Heating & Air Conditioning — TXScore 93/100 · 4.9★ from 569 Google reviews
   Scores 93/100 on the Texas TXScore, driven most by reputation: 4.9★ from 569 Google reviews.
9. 9. My Favorite Service Company — TXScore 93/100 · 5★ from 430 Google reviews
   Scores 93/100 on the Texas TXScore, driven most by reputation: 5★ from 430 Google reviews.
10. 10. Classic Services Air Conditioning & Heating — TXScore 92/100 · 5★ from 513 Google reviews
    Scores 92/100 on the Texas TXScore, driven most by reputation: 5★ from 513 Google reviews.
11. 11. AirOne Heating and Air Conditioning — TXScore 92/100 · 4.9★ from 357 Google reviews
    Scores 92/100 on the Texas TXScore, driven most by reputation: 4.9★ from 357 Google reviews.
12. 12. Summit Air Conditioning & Heating, LLC — TXScore 91/100 · 5★ from 436 Google reviews
    Scores 91/100 on the Texas TXScore, driven most by reputation: 5★ from 436 Google reviews.
13. 13. Texas Elite Air Conditioning & Heating, LLC — TXScore 91/100 · 5★ from 406 Google reviews
    Scores 91/100 on the Texas TXScore, driven most by reputation: 5★ from 406 Google reviews.
14. 14. One Hour Heating & Air Conditioning of Kyle — TXScore 90/100 · 5★ from 190 Google reviews
    Scores 90/100 on the Texas TXScore, driven most by reputation: 5★ from 190 Google reviews.
15. 15. Quality HVAC & Refrigeration — TXScore 88/100 · 4.8★ from 272 Google reviews
    Scores 88/100 on the Texas TXScore, driven most by reputation: 4.8★ from 272 Google reviews.
16. 16. The AC Guys — TXScore 87/100 · 4.9★ from 271 Google reviews
    Scores 87/100 on the Texas TXScore, driven most by reputation: 4.9★ from 271 Google reviews.
17. 17. Javi-Air Comfort Solutions — TXScore 81/100 · 5★ from 131 Google reviews
    Scores 81/100 on the Texas TXScore, driven most by reputation: 5★ from 131 Google reviews.
18. 18. Reliable Air — TXScore 80/100 · 4.8★ from 133 Google reviews
    Scores 80/100 on the Texas TXScore, driven most by reputation: 4.8★ from 133 Google reviews.
19. 19. ProCure Heating & Air — TXScore 80/100 · 4.9★ from 111 Google reviews
    Scores 80/100 on the Texas TXScore, driven most by reputation: 4.9★ from 111 Google reviews.
20. 20. So Cool Service, LLC — TXScore 80/100 · 5★ from 103 Google reviews
    Scores 80/100 on the Texas TXScore, driven most by reputation: 5★ from 103 Google reviews.
21. 21. APEX Electrical, A/C & Heating LLC — TXScore 78/100 · 4.9★ from 94 Google reviews
    Scores 78/100 on the Texas TXScore, driven most by reputation: 4.9★ from 94 Google reviews.
22. 22. PerfectTemp Heating & Air Conditioning — TXScore 78/100 · 4.9★ from 93 Google reviews
    Scores 78/100 on the Texas TXScore, driven most by reputation: 4.9★ from 93 Google reviews.
23. 23. Shafer Services Plus — TXScore 74/100 · 5★ from 69 Google reviews
    Scores 74/100 on the Texas TXScore, driven most by reputation: 5★ from 69 Google reviews.
24. 24. Cool Knight AC — TXScore 68/100 · 5★ from 28 Google reviews
    Scores 68/100 on the Texas TXScore, driven most by reputation: 5★ from 28 Google reviews.
25. 25. Garrett’s Plumbing — TXScore 67/100 · 5★ from 16 Google reviews
    Scores 67/100 on the Texas TXScore, driven most by reputation: 5★ from 16 Google reviews.

Seed data compiled from public business listings. How we score: TXScore v0 — reputation 45%, review volume 20%, availability 20%, footprint 15%.