❄️ Official Rankings
10 Best HVAC in Upper Saint Clair, PA (September 2026)
We compared 10 hvac serving Upper Saint Clair and Allegheny County, Pennsylvania, and ranked the top providers by verified reviews, ratings, and local reputation — 4,482 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Coleman Mitchell Heating & Air Conditioning. Updated for September 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 4,482
- Area codes
- 412, 724
#1
Coleman Mitchell Heating & Air Conditioning
⭐ 5.0 · 1006 reviews
186 Fawcett Church Rd, Bridgeville, PA 15017
#2
#3
Duda HVAC LLC
⭐ 5.0 · 122 reviews
2884 Industrial Blvd Suite #3, Bethel Park, PA 15102
#4
One Hour Heating & Air
⭐ 4.9 · 1066 reviews
5330 Progress Blvd, Bethel Park, PA 15102
#5
Denillo Heating & Cooling, Inc.
⭐ 4.9 · 788 reviews
2994 Industrial Blvd, Bethel Park, PA 15102
#6
#7
Woodruff and Smith Heating and Cooling, Inc.
⭐ 4.9 · 501 reviews
4138 Library Rd, Pittsburgh, PA 15234
#8
#9
#10