❄️ Official Rankings
10 Best HVAC in Waukesha, WI (August 2026)
We compared 10 hvac serving Waukesha and Waukesha County, Wisconsin, and ranked the top providers by verified reviews, ratings, and local reputation — 3,339 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by On Time Heating & Cooling. Updated for August 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 3,339
On Time Heating & Cooling
⭐ 5.0 · 494 reviews
323 W Sunset Dr, Waukesha, WI 53189
Absolute Comfort HVAC LLC
⭐ 5.0 · 327 reviews
W220N1560 Jericho Ct #5, Waukesha, WI 53186
Heating and Cooling Drs of Waukesha, Pewaukee and Delafield
⭐ 4.9 · 171 reviews
2607 N Grandview Blvd Ste 160G, Waukesha, WI 53188
Seider Heating, Plumbing & Electrical
⭐ 4.8 · 381 reviews
N22W22967 Nancy Ct A, Waukesha, WI 53186
Tom's Heating Service
⭐ 4.8 · 290 reviews
212 W St Paul Ave, Waukesha, WI 53188
Majestic Custom Heating and Air Conditioning
⭐ 4.8 · 205 reviews
21001 Watertown Rd Unit 100, Waukesha, WI 53186
ZIM Heating and Cooling
⭐ 4.9 · 54 reviews
406 Travis Ln #50, Waukesha, WI 53189
Over the Moon Heating, Air & Electric
⭐ 4.7 · 1384 reviews
20711 Watertown Rd Ste D, Waukesha, WI 53186
Energy Saving Systems
⭐ 5.0 · 17 reviews
2305 Badger Dr # A, Waukesha, WI 53188
Prompt Heating & Air Conditioning LLC
⭐ 5.0 · 16 reviews
232 N Racine Ave #232, Waukesha, WI 53186
HVAC listed here serve Waukesha, Waukesha County, and nearby ZIP codes including 53186, 53187, 53188, 53189.