12 HVAC Repair Contractors in Sycamore, IL

3.9 avg rating
600 total reviews4 offer 24/7 service
Need emergency service? 5 HVAC providers in Sycamore offer 24/7 availability

Top-Rated HVAC Repair Contractors in Sycamore

#1

Smith-Dahlquist, Inc.

4.9(212 reviews)
24/7 Highly Rated

Every reviewer awarded a 5-star rating, with Terry and Steve appearing most frequently in detailed accounts of furnace inspections, fireplace cleaning, and…

994 Crosby Ave, Sycamore, IL 60178
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#2

Cady Heating and Cooling

4.8(128 reviews)
24/7 Highly Rated

Every reviewer awarded 5 stars, with 4 of 4 customers highlighting same-day or immediate emergency response. Three reviews specifically named technicians…

116 S California St, Sycamore, IL 60178
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#3

A.H. Brenner Heating & Cooling

5.0(104 reviews)
Highly Rated

Every reviewer across the collected sample awarded 5 stars, with six of seven citing Mitch by name. Four reviewers specifically mention same day or emergency…

11636 Deerpath Rd, Sycamore, IL 60178
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All HVAC Repair Contractors (12 total)

THE FURNACE GUY

4.9(40)
24/7

All 40 reviewers awarded 5 stars, with two customers specifically praising Mark's same-day responsiveness and…

315 N California St, Sycamore, IL 60178
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Reliable Cooling & Heating LLC

5.0(35)

All thirty-five client reviews award five stars, with Manny named directly across every testimonial. Multiple…

1332 Axcel Ln, Sycamore, IL 60178
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Ron's Heating & Air Conditioning - 24 h/r emergency service

4.6(47)

Across 47 Client reviews, 44 commend same-week response times, thorough diagnostics, and professional on-site…

424 Wyman St #8, Sycamore, IL 60178
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Breezy's Heating & AC

4.2(26)

All four featured reviews award five stars, with three explicitly naming technician Jacob for same-day…

2150 Oakland Dr, Sycamore, IL 60178
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Molly Mechanical Heating & Air Conditioning

5.0(3)
24/7

All three published reviews award the full five stars, with both clients praising diagnostic speed and honest…

1005 Brickville Rd Suite #3, Sycamore, IL 60178
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Newton's HVAC

5.0(2)

Two of two reviewers award five stars and specifically name Keith or his sons, with one customer noting he…

27599 Devine Way, Sycamore, IL 60178
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Sibley Heating and Cooling

3.7(3)

With only three total reviews, quantitative sentiment analysis remains limited. Available data shows one…

947 W State St, Sycamore, IL 60178
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Kendall Heating & Air Conditioning

0.0
16076 Bethany Rd, Sycamore, IL 60178
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Dow HVAC Inc.

0.0

No customer reviews are currently available for this business listing. Unable to calculate reviewer sentiment…

12340 N Grove Rd, Sycamore, IL 60178

HVAC Repair Costs in Sycamore

Typical heating and cooling repair costs in Sycamore, by component.

ServiceLowAverageHigh
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.

HVAC Repair in Sycamore, IL: What to Expect

Sycamore homeowners face frigid Chicago winters where temperatures dip to 18 F with punishing lake-effect wind chill, making reliable heating non-negotiable. Summer temperatures reach the mid-80s with enough humidity to keep cooling systems working year-round, though heating dominates the seasonal demand. With 12 active contractors serving the area and maintaining an average rating of 3.9 across roughly 600 combined reviews, residents have solid options for HVAC repair in Sycamore. The mix of 24/7 availability and general trade presence means urgent furnace failures during polar vortex events do not leave homeowners stranded long.

The cost landscape for common repairs reflects this pressing need. A diagnostic or service call runs $83 to $220, while a thermostat replacement spans $165 to $550. More substantial blower motor work carries a $440 to $1,210 price tag. Illinois does not mandate statewide licensing, so homeowners should verify credentials through local building departments before committing to any contractor. Fair pricing and transparent quotes appear frequently in positive reviewer feedback, suggesting most established shops honor competitive rates.

Several Smith-Dahlquist, Inc. Steve Terry Cady Heating and Cooling Kevin Trace Cole A.H. Brenner Heating & Cooling Mitch

Frequently Asked Questions

HVAC repairs in Sycamore range from $83-$3,850 depending on the component. Thermostat replacement runs $150-$500, blower motor $400-$1,100, ignitor $150-$400, and heat exchanger replacement $1,500-$3,500. Diagnostic fees of $75-$200 are typically credited toward the repair if you proceed.