❄️ Official Rankings
10 Best HVAC in Naperville, IL (August 2026)
We compared 10 hvac serving Naperville and DuPage County, Illinois, and ranked the top providers by verified reviews, ratings, and local reputation — 6,004 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Oncourse Heating, Cooling, Plumbing. Updated for August 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 6,004
Oncourse Heating, Cooling, Plumbing
⭐ 5.0 · 1819 reviews
1415 Diehl Rd Ste 170, Naperville, IL 60563
First Care Heating & Air
⭐ 5.0 · 615 reviews
1701 Quincy Ave, Naperville, IL 60540
Energy Services Air Conditioning & Heating Co. & Electrical
⭐ 4.9 · 2217 reviews
512 W 5th Ave, Naperville, IL 60563
Nortek Heating & Air Conditioning Inc.
⭐ 4.9 · 391 reviews
600 Industrial Dr, Naperville, IL 60563
American Mechanical Systems
⭐ 5.0 · 50 reviews
199 N Whispering Hills Dr, Naperville, IL 60540
One Hour Heating & Air Conditioning of Naperville
⭐ 4.8 · 218 reviews
1783 S Washington St Suite 103B, Naperville, IL 60565
Animo & Sons Plumbing
⭐ 4.9 · 57 reviews
566 S Main St, Naperville, IL 60540
Dutchman Heating and Cooling Inc.
⭐ 4.7 · 517 reviews
400 E Ogden Ave, Naperville, IL 60563
HVAC listed here serve Naperville, DuPage County, and nearby ZIP codes including 60540, 60563, 60564, 60565, 60566, 60567.