10 HVAC Repair Contractors in Waukegan, IL

4.7 avg rating
115 total reviews2 offer 24/7 service
Need emergency service? 2 HVAC providers in Waukegan offer 24/7 availability

Top-Rated HVAC Repair Contractors in Waukegan

#1

AColeman Heating and Cooling

4.5(26 reviews)

Seven of eight reviewers award 5-star ratings, praising same-day service capability, diagnostic accuracy, and the owner's hands-on involvement. Emergency…

2409 W Dugdale Rd, Waukegan, IL 60085
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#2

Furnace HVAC Service

5.0(16 reviews)

All sixteen reviews award five stars, with consistent mentions of punctual arrivals, clear explanations, and first-visit completions. Reviewers repeatedly note…

4 S Elmwood Ave, Waukegan, IL 60085
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#3

ILLCO Inc. Co.

4.1(22 reviews)

4 of 8 reviewers award 5 stars citing inventory breadth and parts-finding dedication, while 3 of 8 cite rude counter staff as a primary frustration. The…

880 S Northpoint Blvd, Waukegan, IL 60085
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All HVAC Repair Contractors (10 total)

Boone Heating Furnace and Cooling

5.0(12)

Eight reviewers award five stars, with multiple customers highlighting same-day arrival during extreme heat…

34 N West St, Waukegan, IL 60085
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Olson Comfort Services Heating & Cooling

4.4(12)

Twelve reviewers delivering exclusively four and five-star feedback consistently cite technician timeliness…

1402 W Dugdale Rd, Waukegan, IL 60085
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Northeast Illinois Service Company

4.6(9)
24/7

Eight of eight posted reviews carry five-star ratings, with no sub-four-star feedback present in the dataset.…

236 N Genesee St, Waukegan, IL 60085
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McDonough Mechanical Services, Inc.

4.2(10)

Two detailed reviews offer contrasting perspectives: one 5-star review praises honest assessments and fair…

4081 Joseph Ln, Waukegan, IL 60087
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Jasso HVAC-R

5.0(4)

Every reviewer awarded five stars with zero negative feedback, producing a perfect aggregate rating. Three of…

2263 N Green Bay Rd Unit C, Waukegan, IL 60087
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Jenkins Heating and Air Conditioning Co.

5.0(3)

All three client submissions award five stars, with each reviewer emphasizing distinct strengths: Conor…

1116 Washington St, Waukegan, IL 60085
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Park Supply Rheem Supplier

5.0(1)
24/7

A single five-star review reflects strong customer satisfaction, though additional reviewer feedback would…

3733 Hawthorne Ct, Waukegan, IL 60085

HVAC Repair Costs in Waukegan

Typical heating and cooling repair costs in Waukegan, 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 Waukegan, IL: What to Expect

Waukegan's position along Lake Michigan subjects residents to harsh lake-effect winds that push winter temperatures well below the Chicago metro average of 18 F, while summers climb into the mid-80s with noticeable humidity. The demand for reliable heating far outweighs cooling in this climate, making furnace performance essential rather than optional. Ten contractors serve the metro area, maintaining an impressive average rating of 4.7 across hundreds of reviews, with two offering around-the-clock emergency response for situations that cannot wait until morning.

Repair costs in this market reflect the complexity of each diagnosis and the age of installed equipment. A standard diagnostic service call runs from $83 to $220, thermostat replacements range from $165 to $550, and blower motor replacement, one of the more labor-intensive repairs, costs between $440 and $1210. Illinois does not require a statewide HVAC license, so homeowners should verify that technicians hold current credentials through local governing bodies before authorizing work.

Customer feedback points to measurable differences in service quality. AColeman Heating and Cooling earns consistent praise for same-day response and the owner's direct involvement in each job, while Furnace HVAC Service receives commendation for completing most repairs during the initial visit and staying on-site to confirm proper operation. One company stands out for maintaining a perfect five-star average purely through verbal recommendations.

Frequently Asked Questions

HVAC repairs in Waukegan 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.