❄️ Official Rankings
10 Best HVAC in Duncan, OK (October 2026)
We compared 9 hvac serving Duncan and Stephens County, Oklahoma, and ranked the top providers by verified reviews, ratings, and local reputation — 642 customer reviews in all.
The 9 listed below hold an average rating of 4.7 out of 5, led by Davis Air Conditioning. Updated for October 2026.
- HVAC ranked
- 9
- Average rating
- 4.7★
- Reviews analyzed
- 642
- Area code
- 580
#1
⭐ 4.8 · 408 reviews
399 S Hwy 81, Duncan, OK 73533
#2
#3
#4
#5
⭐ 4.6 · 22 reviews
710 W Walnut Ave, Duncan, OK 73533
#6
#7
#8
#9
⭐ 4.2 · 35 reviews
PLUMBING SUITE, 1715 US-81, Duncan, OK 73533
HVAC listed here serve Duncan, Stephens County, and nearby ZIP codes including 73533, 73534, 73536, 73575.