12 AC Repair Contractors in DeKalb, IL

4.4 avg rating
3,808 total reviews3 offer 24/7 service
Need emergency service? 3 HVAC providers in DeKalb offer 24/7 availability

Top-Rated AC Repair Contractors in DeKalb

#1

uBreakiFix - Phone and Computer Repair

4.8(1,087 reviews)
Highly Rated

All 1,087 reviews contribute to a 4.8-star rating, with positive feedback frequently mentioning same-day turnaround and technicians who explain repair…

2587 Sycamore Rd, DeKalb, IL 60115
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#2

Service Now Home Services

4.9(920 reviews)
24/7 Highly Rated

Positive reviews consistently cite same-day emergency response, technician courtesy, and thorough diagnostic explanations using camera inspection technology.…

17750 Somonauk Rd, DeKalb, IL 60115
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#3

Lowe's Home Improvement

4.1(1,088 reviews)

Among 1,088 reviews, the 4.1-star average reflects consistent praise for team member helpfulness, with customers specifically naming associates like Angelina,…

2050 Sycamore Rd, DeKalb, IL 60115
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All AC Repair Contractors (12 total)

Edelman Heating, Cooling, Plumbing, Electric & Solar

4.9(221)
Highly Rated

Among 219 reviews, technicians Greg and Ricardo earn repeated praise for their diagnostic explanations and…

1132 Pleasant St STE C, DeKalb, IL 60115
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All-Star Heating & Air Conditioning Inc.

4.5(138)
24/7

All five sampled reviewers awarded 5-star ratings, with three specifically mentioning same-day or Sunday…

1500 E Lincoln Hwy #3, DeKalb, IL 60115
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G's R Plumbing & Heating

4.4(147)

Three of five detailed reviewers mention specific technician names, with two positive accounts praising…

1831 E Lincoln Hwy, DeKalb, IL 60115
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DeKalb Mechanical, Inc.

4.9(79)

All 80 reviews award 5 stars, with technicians Onon, Riley, and unnamed staff receiving direct name…

339 Wurlitzer Dr, DeKalb, IL 60115
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C & H Plumbing, Inc.

5.0(51)

Nine reviewers specifically mention technicians by name, Hart, Steve, and the crew, demonstrating…

332 Wurlitzer Dr, DeKalb, IL 60115
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Sears Appliance Repair

4.5(62)

Two positive five-star reviews specifically mention technician Steve and describe methodical diagnostic…

2359 Sycamore Rd, DeKalb, IL 60115
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KM Heating and Cooling

5.0(10)
24/7

Eight reviews uniformly award five stars, with customers frequently naming individual technicians, Wes,…

339 Wurlitzer Dr, DeKalb, IL 60115
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Newton's Refrigeration Spec

5.0(4)

4 reviews, all 5-star ratings, with customers specifically praising same-day service, reasonable pricing, and…

1823 Margaret Ln, DeKalb, IL 60115
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1 Source Mechanical

5.0(1)

Limited review data exists for this contractor, with a single five-star review currently recorded. This…

821 E Lincoln Hwy, DeKalb, IL 60115
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Team Trusted Heating & Cooling

0.0
3251 Commerce Dr #109, DeKalb, IL 60115
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AC Repair Costs in DeKalb

Typical repair costs for DeKalb homeowners, by problem type.

ServiceLowAverageHigh
Diagnostic / service call
Usually credited toward repair
$83$132$220
Refrigerant recharge (R-410A)
$165$385$770
Capacitor replacement
$132$275$495
Fan motor replacement
$275$495$770
Compressor replacement
$880$1,980$3,080
Evaporator coil repair
$440$990$1,650
Labor (hourly rate)
Per hour during business hours
$83$121$165

Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

AC Repair in DeKalb, IL: What to Expect

Living in DeKalb means bracing for Chicago's temperature extremes. Winters here dip to around 18 F with bitter lake-effect windchill, while summers climb into the mid-80s with sticky humidity. Heating dominates the calendar, but when summer heat hits, AC Repair in DeKalb becomes urgent for homeowners trying to stay comfortable. Eight local contractors serve this community, averaging a respectable 4.7 stars across over 2,600 customer reviews.

Pricing for common AC services follows predictable patterns in this market. A standard diagnostic or service call runs between $83 and $220, while a refrigerant recharge using R-410A costs anywhere from $165 to $770 depending on system size and leak severity. Replacing a failed capacitor typically falls between $132 and $495. These figures reflect what most homeowners can expect to pay locally. Since Illinois does not require a statewide HVAC license, verifying a contractor's local credentials and insurance becomes especially important before agreeing to any work.

Customer feedback paints a clear picture of what separates quality service in DeKalb. Technicians Greg and Ricardo at Hero Heating earn consistent praise for transparent diagnostics and respectful communication, with many reviewers highlighting their same-day emergency availability. Service Now Home Services receives similar recognition for using camera inspection technology to explain issues visually, coupled with courteous same-day response during breakdowns. Both companies demonstrate that responsiveness and clear communication matter most to residents dealing with sudden AC failures.

Frequently Asked Questions

AC repair in DeKalb typically costs $83-$3,080 depending on the problem. Diagnostic calls run around $75-$200, refrigerant recharges $150-$700, capacitor replacement $120-$450, and compressor replacement $800-$2,800. Most contractors apply the diagnostic fee toward the final repair cost if you proceed.