Best hvac contractors in mercedes (TX)

Best overall: Millennium A/C, TXScore 96/100.

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

  1. 1. Millennium A/C — TXScore 96/100 · 5★ from 1,058 Google reviews
    Scores 96/100 on the Texas TXScore, driven most by reputation: 5★ from 1,058 Google reviews.
  2. 2. Mighty Mike's Plumbing, Electrical & HVAC — TXScore 95/100 · 4.9★ from 2,689 Google reviews
    Scores 95/100 on the Texas TXScore, driven most by reputation: 4.9★ from 2,689 Google reviews.
  3. 3. Prime Air HVAC & $149 Duct Cleaning — TXScore 95/100 · 5★ from 866 Google reviews
    Scores 95/100 on the Texas TXScore, driven most by reputation: 5★ from 866 Google reviews.
  4. 4. Polar Air | Air Conditioning & Heating — TXScore 95/100 · 5★ from 732 Google reviews
    Scores 95/100 on the Texas TXScore, driven most by reputation: 5★ from 732 Google reviews.
  5. 5. Cytech Heating & Cooling — TXScore 93/100 · 4.9★ from 646 Google reviews
    Scores 93/100 on the Texas TXScore, driven most by reputation: 4.9★ from 646 Google reviews.
  6. 6. Infinity AC Service LLC. — TXScore 91/100 · 5★ from 234 Google reviews
    Scores 91/100 on the Texas TXScore, driven most by reputation: 5★ from 234 Google reviews.
  7. 7. A/C AMIGO LLC — TXScore 90/100 · 4.9★ from 224 Google reviews
    Scores 90/100 on the Texas TXScore, driven most by reputation: 4.9★ from 224 Google reviews.
  8. 8. JC Air Conditioning & Heating — TXScore 89/100 · 4.8★ from 202 Google reviews
    Scores 89/100 on the Texas TXScore, driven most by reputation: 4.8★ from 202 Google reviews.
  9. 9. TAS Air Conditioning and Heating — TXScore 88/100 · 4.7★ from 404 Google reviews
    Scores 88/100 on the Texas TXScore, driven most by reputation: 4.7★ from 404 Google reviews.
  10. 10. American AC & Heating — TXScore 85/100 · 4.7★ from 1,279 Google reviews
    Scores 85/100 on the Texas TXScore, driven most by reputation: 4.7★ from 1,279 Google reviews.
  11. 11. Cool Aid Air Conditioning — TXScore 85/100 · 4.9★ from 176 Google reviews
    Scores 85/100 on the Texas TXScore, driven most by reputation: 4.9★ from 176 Google reviews.
  12. 12. Martinez Cooling And Heating LLC — TXScore 85/100 · 5★ from 141 Google reviews
    Scores 85/100 on the Texas TXScore, driven most by reputation: 5★ from 141 Google reviews.
  13. 13. Hess Air - A/C Service & Repair — TXScore 83/100 · 4.6★ from 158 Google reviews
    Scores 83/100 on the Texas TXScore, driven most by reputation: 4.6★ from 158 Google reviews.
  14. 14. General HVAC LLC — TXScore 83/100 · 4.9★ from 130 Google reviews
    Scores 83/100 on the Texas TXScore, driven most by reputation: 4.9★ from 130 Google reviews.
  15. 15. Joe's Comfort Air, LLC — TXScore 82/100 · 4.8★ from 256 Google reviews
    Scores 82/100 on the Texas TXScore, driven most by reputation: 4.8★ from 256 Google reviews.
  16. 16. CAM AIR A/C & HEATING LLC — TXScore 80/100 · 4.8★ from 110 Google reviews
    Scores 80/100 on the Texas TXScore, driven most by reputation: 4.8★ from 110 Google reviews.
  17. 17. L&S Heating & Cooling LLC — TXScore 80/100 · 4.9★ from 107 Google reviews
    Scores 80/100 on the Texas TXScore, driven most by reputation: 4.9★ from 107 Google reviews.
  18. 18. FSC Air Conditioning & Refrigeration — TXScore 79/100 · 5★ from 91 Google reviews
    Scores 79/100 on the Texas TXScore, driven most by reputation: 5★ from 91 Google reviews.
  19. 19. Aire Serv of Harlingen — TXScore 77/100 · 4.9★ from 82 Google reviews
    Scores 77/100 on the Texas TXScore, driven most by reputation: 4.9★ from 82 Google reviews.
  20. 20. Mario Bros AC Heating LLC — TXScore 77/100 · 5★ from 78 Google reviews
    Scores 77/100 on the Texas TXScore, driven most by reputation: 5★ from 78 Google reviews.
  21. 21. Val-Air Llc — TXScore 77/100 · 5★ from 78 Google reviews
    Scores 77/100 on the Texas TXScore, driven most by reputation: 5★ from 78 Google reviews.
  22. 22. WW Air Specialist LLC - Heating and Cooling Service in Harlingen, Texas — TXScore 74/100 · 4.7★ from 71 Google reviews
    Scores 74/100 on the Texas TXScore, driven most by reputation: 4.7★ from 71 Google reviews.
  23. 23. Garcia's A/C Service — TXScore 72/100 · 4.8★ from 51 Google reviews
    Scores 72/100 on the Texas TXScore, driven most by reputation: 4.8★ from 51 Google reviews.
  24. 24. Angels Cooling — TXScore 71/100 · 5★ from 35 Google reviews
    Scores 71/100 on the Texas TXScore, driven most by reputation: 5★ from 35 Google reviews.
  25. 25. Enterprise Air Conditioning & Refrigeration — TXScore 65/100 · 4.1★ from 30 Google reviews
    Scores 65/100 on the Texas TXScore, driven most by reputation: 4.1★ from 30 Google reviews.

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