❄️ Official Rankings
10 Best HVAC in Sioux City, IA (September 2026)
We compared 10 hvac serving Sioux City and Woodbury County, Iowa, and ranked the top providers by verified reviews, ratings, and local reputation — 3,908 customer reviews in all.
The 10 listed below hold an average rating of 4.8 out of 5, led by Kalins Indoor Comfort. Updated for September 2026.
- HVAC ranked
- 10
- Average rating
- 4.8★
- Reviews analyzed
- 3,908
- Area code
- 712
Kalins Indoor Comfort
⭐ 4.9 · 2883 reviews
1715 4th St, Sioux City, IA 51101
P.M. HVAC Services
⭐ 5.0 · 10 reviews
2524 S Paxton St, Sioux City, IA 51106
Pinnacle Heating & Cooling
⭐ 4.6 · 47 reviews
519 Pearl St, Sioux City, IA 51101
American Air Heating & Cooling
⭐ 4.7 · 15 reviews
1300 Pierce St, Sioux City, IA 51105
Johnstone Supply
⭐ 4.6 · 11 reviews
1401 Cunningham Dr, Sioux City, IA 51106
Farrell's Heating & AC
⭐ 4.4 · 66 reviews
405 W 6th St, Sioux City, IA 51103
HVAC listed here serve Sioux City, Woodbury County, and nearby ZIP codes including 51101, 51102, 51103, 51104, 51105, 51106, 51107, 51108, 51109, 51110, 51111.