8 HVAC Repair Contractors in St. Charles, IL
Top-Rated HVAC Repair Contractors in St. Charles
McNally's Heating and Cooling
“Every client rating across all four displayed reviews awards five stars. Customers consistently reference specific team members, Russ, Garett, Luis, Chris,…”
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 sampled feedback. Multiple reviewers explicitly praise…”
All HVAC Repair Contractors (8 total)
Service Plus Heating & Cooling
“All 193 reviews carry 5-star ratings, reflecting perfect reviewer satisfaction. Customer accounts emphasize…”
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…”
Performance Heating & Air
“Forty-three client reviews yield a perfect 5.0 average rating. Reviewers consistently cite thorough cleanup…”
HVAC Repair Costs in St. Charles
Typical heating and cooling repair costs in St. Charles, by component.
| Service | Low | Average | High |
|---|---|---|---|
Diagnostic / service call | $83 | $132 | $220 |
Thermostat replacement | $165 | $303 | $550 |
Blower motor replacement | $440 | $715 | $1,210 |
Heat exchanger replacement | $1,650 | $2,420 | $3,850 |
Ignitor replacement (gas furnace) | $165 | $275 | $440 |
Control board replacement | $330 | $605 | $990 |
Full system repair (major) Multi-component failure | $550 | $1,320 | $3,300 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.