HVAC Services in St. Charles, IL
11 HVAC contractors found
Service Plus Heating & Cooling
“All 193 reviews carry 5-star ratings, reflecting perfect reviewer satisfaction. Customer accounts emphasize…”
Aqua Knight Plumbing, Sewer, HVAC Services & Protection
“Both customer reviews award perfect 5-star ratings, with one client highlighting emergency response…”
Mendel Plumbing, Heating & Electric
“The overwhelming majority of 5,561 reviews award five stars, with 99% of customers reporting satisfaction.…”
McNally's Heating and Cooling
“Every client rating across all four displayed reviews awards five stars. Customers consistently reference…”
One Hour Heating & Air Conditioning
“Across 1,885 reviews, the company maintains a 4.9-star average with zero one-star ratings visible in the…”
Eco Temp HVAC
“Every reviewed technician earned a perfect 5-star rating, with Jordan, Tyler, Marco, and Shawn each named by…”
American Mechanical Heating & Cooling
“All 59 reviewers award 5-star ratings, with Ricardo named as the responding technician in every detailed…”
TDH Mechanical, Heating and Cooling Contractors
“Nearly all five-star reviews cite specific technicians, especially Wally, praising his dual role as both…”
Performance Heating & Air
“Forty-three client reviews yield a perfect 5.0 average rating. Reviewers consistently cite thorough cleanup…”
HVAC Service Costs in St. Charles, IL
Pricing ranges across all HVAC services offered in St. Charles.
| Service | Typical Range | Price Points |
|---|---|---|
| AC Repair | $83–$3,080 | 7 items → |
| AC Installation | $168–$22,400 | 8 items → |
| AC Replacement | $2,352–$17,920 | — |
| HVAC Maintenance | $15–$824 | 7 items → |
| HVAC Repair | $83–$3,850 | 7 items → |
| HVAC Service | $76–$15,228 | 6 items → |
| Emergency HVAC | $165–$3,850 | 6 items → |
| Commercial HVAC | $2–$88,000 | — |
Prices reflect continental metro averages based on HomeAdvisor and Angi published cost data. Last updated: April 2026.