❄️ Official Rankings
10 Best HVAC in Waukegan, IL (August 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 August 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 1,648
#1
Signature Heating & Cooling
⭐ 5.0 · 130 reviews
83 Ambrogio Dr Ste B, Gurnee, IL 60031
#2
Herchenbach Mechanical Inc.
⭐ 4.9 · 694 reviews
830 Magnolia Ave, Gurnee, IL 60031
#3
Lowe's Air Duct Cleaning
⭐ 4.9 · 229 reviews
1360 N Green Bay Rd, Waukegan, IL 60085
#4
Modern Heating & Plumbing Co.
⭐ 4.8 · 483 reviews
1949 Swanson Ct, Gurnee, IL 60031
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#10
Jasso HVAC-R
⭐ 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.