❄️ Official Rankings
10 Best HVAC in Naperville, IL (October 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 October 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 6,004
⭐ 5.0 · 1819 reviews
1415 Diehl Rd Ste 170, Naperville, IL 60563
⭐ 5.0 · 615 reviews
1701 Quincy Ave, Naperville, IL 60540
⭐ 4.9 · 2217 reviews
512 W 5th Ave, Naperville, IL 60563
⭐ 4.9 · 391 reviews
600 Industrial Dr, Naperville, IL 60563
⭐ 5.0 · 50 reviews
199 N Whispering Hills Dr, Naperville, IL 60540
⭐ 4.8 · 218 reviews
1783 S Washington St Suite 103B, Naperville, IL 60565
⭐ 4.9 · 57 reviews
566 S Main St, Naperville, IL 60540
⭐ 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.