Best hvac contractors in katy (TX)

Best overall: Air Tech of Houston AC & Plumbing, TXScore 95/100.

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

1. 1. Air Tech of Houston AC & Plumbing — TXScore 95/100 · 4.9★ from 5,588 Google reviews
   Scores 95/100 on the Texas TXScore, driven most by reputation: 4.9★ from 5,588 Google reviews.
2. 2. The Katy Plumbing Company Heating & Air — TXScore 95/100 · 4.9★ from 3,343 Google reviews
   Scores 95/100 on the Texas TXScore, driven most by reputation: 4.9★ from 3,343 Google reviews.
3. 3. Air Tech of Katy — TXScore 94/100 · 4.8★ from 3,047 Google reviews
   Scores 94/100 on the Texas TXScore, driven most by reputation: 4.8★ from 3,047 Google reviews.
4. 4. BVS Home Experts — TXScore 94/100 · 4.9★ from 940 Google reviews
   Scores 94/100 on the Texas TXScore, driven most by reputation: 4.9★ from 940 Google reviews.
5. 5. One Hour Air Conditioning & Heating® of Houston — TXScore 93/100 · 4.7★ from 9,886 Google reviews
   Scores 93/100 on the Texas TXScore, driven most by reputation: 4.7★ from 9,886 Google reviews.
6. 6. 4C AC & Heating Repair — TXScore 93/100 · 5★ from 972 Google reviews
   Scores 93/100 on the Texas TXScore, driven most by reputation: 5★ from 972 Google reviews.
7. 7. ARS / Rescue Rooter — TXScore 92/100 · 4.6★ from 11,276 Google reviews
   Scores 92/100 on the Texas TXScore, driven most by reputation: 4.6★ from 11,276 Google reviews.
8. 8. Ideal Air Services — TXScore 92/100 · 4.9★ from 693 Google reviews
   Scores 92/100 on the Texas TXScore, driven most by reputation: 4.9★ from 693 Google reviews.
9. 9. Air Express — TXScore 92/100 · 4.8★ from 495 Google reviews
   Scores 92/100 on the Texas TXScore, driven most by reputation: 4.8★ from 495 Google reviews.
10. 10. Just Fix It Today — TXScore 91/100 · 4.8★ from 434 Google reviews
    Scores 91/100 on the Texas TXScore, driven most by reputation: 4.8★ from 434 Google reviews.
11. 11. TemperaturePro Katy-Cypress — TXScore 91/100 · 4.9★ from 310 Google reviews
    Scores 91/100 on the Texas TXScore, driven most by reputation: 4.9★ from 310 Google reviews.
12. 12. Aire Serv of Katy — TXScore 91/100 · 4.9★ from 242 Google reviews
    Scores 91/100 on the Texas TXScore, driven most by reputation: 4.9★ from 242 Google reviews.
13. 13. Trilogy AC Heating And Cooling — TXScore 90/100 · 4.6★ from 987 Google reviews
    Scores 90/100 on the Texas TXScore, driven most by reputation: 4.6★ from 987 Google reviews.
14. 14. Polar Express A/C & Heating — TXScore 89/100 · 4.9★ from 337 Google reviews
    Scores 89/100 on the Texas TXScore, driven most by reputation: 4.9★ from 337 Google reviews.
15. 15. Zen pro air conditioning & heating LLC — TXScore 89/100 · 5★ from 203 Google reviews
    Scores 89/100 on the Texas TXScore, driven most by reputation: 5★ from 203 Google reviews.
16. 16. Service Pros Air Conditioning & Heating — TXScore 88/100 · 4.9★ from 224 Google reviews
    Scores 88/100 on the Texas TXScore, driven most by reputation: 4.9★ from 224 Google reviews.
17. 17. AMS ColdPro — TXScore 87/100 · 5★ from 454 Google reviews
    Scores 87/100 on the Texas TXScore, driven most by reputation: 5★ from 454 Google reviews.
18. 18. MJS A/C and Heating LLC — TXScore 86/100 · 5★ from 151 Google reviews
    Scores 86/100 on the Texas TXScore, driven most by reputation: 5★ from 151 Google reviews.
19. 19. Mr. Reliable Heating & Air — TXScore 83/100 · 5★ from 124 Google reviews
    Scores 83/100 on the Texas TXScore, driven most by reputation: 5★ from 124 Google reviews.
20. 20. Blowin Cold AC — TXScore 81/100 · 5★ from 128 Google reviews
    Scores 81/100 on the Texas TXScore, driven most by reputation: 5★ from 128 Google reviews.
21. 21. TemperaturePro Katy-Cypress — TXScore 81/100 · 5★ from 107 Google reviews
    Scores 81/100 on the Texas TXScore, driven most by reputation: 5★ from 107 Google reviews.
22. 22. Done Deal A/C & Heating Katy — TXScore 80/100 · 4.8★ from 114 Google reviews
    Scores 80/100 on the Texas TXScore, driven most by reputation: 4.8★ from 114 Google reviews.
23. 23. 5 Star A/C Filter — TXScore 77/100 · 4.9★ from 85 Google reviews
    Scores 77/100 on the Texas TXScore, driven most by reputation: 4.9★ from 85 Google reviews.
24. 24. Cornerstone AC & Heat LLC — TXScore 77/100 · 5★ from 75 Google reviews
    Scores 77/100 on the Texas TXScore, driven most by reputation: 5★ from 75 Google reviews.
25. 25. Residential AC & Heating ECi — TXScore 74/100 · 4.9★ from 57 Google reviews
    Scores 74/100 on the Texas TXScore, driven most by reputation: 4.9★ from 57 Google reviews.

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