❄️ Official Rankings
10 Best HVAC in Waukegan, IL (October 2026)
We compared 10 hvac serving Waukegan and Lake County, Illinois, and ranked the top providers by verified reviews, ratings, and local reputation — 1,648 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Signature Heating & Cooling. Updated for October 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 1,648
#1
⭐ 5.0 · 130 reviews
83 Ambrogio Dr Ste B, Gurnee, IL 60031
#2
⭐ 4.9 · 694 reviews
830 Magnolia Ave, Gurnee, IL 60031
#3
⭐ 4.9 · 229 reviews
1360 N Green Bay Rd, Waukegan, IL 60085
#4
⭐ 4.8 · 483 reviews
1949 Swanson Ct, Gurnee, IL 60031
#5
#6
#7
#8
#9
#10
⭐ 5.0 · 4 reviews
2263 N Green Bay Rd Unit C, Waukegan, IL 60087
HVAC listed here serve Waukegan, Lake County, and nearby ZIP codes including 60079, 60085, 60087.