11 AC Repair Contractors in Lockport, IL

4.4 avg rating
1,616 total reviews6 offer 24/7 service
Need emergency service? 6 HVAC providers in Lockport offer 24/7 availability

Top-Rated AC Repair Contractors in Lockport

#1

Trailblazer Plumbing

4.8(1,155 reviews)
24/7 Highly Rated

The 1-star review documents a contentious multi-visit job with claims of overcharging, while positive sentiment centers on the technician Laura's…

1129 E 9th St, Lockport, IL 60441
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#2

London Heating & Cooling

4.9(232 reviews)
Highly Rated

Every reviewer awarded a 5-star rating. Five of five sampled reviews mention either same-day responsiveness or fair, quoted pricing. No negative feedback…

1008 Runyan Dr, Lockport, IL 60441
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#3

Winters Heating & Air Conditioning

4.9(61 reviews)

Eight reviewers awarded 5-star ratings, with five explicitly naming technician Nate. Three reviews mention same-day or after-hours emergency response, and two…

1312 Mc Cameron Ave, Lockport, IL 60441
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All AC Repair Contractors (11 total)

DL Comfort Control

4.8(55)
24/7

All 55 reviews award 5 stars, with 7 of 8 reviewers explicitly mentioning same-day or emergency response…

110 E 10th St, Lockport, IL 60441
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Update Heating and Cooling Services

5.0(31)
24/7

All five sampled reviewers awarded 5 stars, with three explicitly praising same-day or next-morning arrival…

16525 W 159th St, Lockport, IL 60441
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Bentley Heating & Cooling

4.8(32)

Five detailed reviews unanimously award 5 stars, with three explicitly naming technicians Frank, Anthony, and…

1004 E 8th St, Lockport, IL 60441
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Mesa Heating & Air Conditioning

4.9(15)
24/7

All 15 reviews award 5 stars, with multiple reviewers specifically praising transparent pricing, same-day…

1515 Canal St, Lockport, IL 60441
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Gordon's Heating and Cooling Service

4.6(16)
24/7

All 16 reviews carry 5-star ratings, with technicians Fred and Gordon explicitly named by reviewers for…

Lockport, IL 60441
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Peter's Heating & Cooling LLC

4.4(13)

11 of 13 reviewers awarded 5-star ratings, with emergency same-day service and fair pricing emerging as…

16411 Pioneer Pkwy, Lockport, IL 60441
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South Street Heating and Cooling

5.0(6)

All six reviewers award five stars, with one explicitly noting quick service and reasonable rates. One…

511 South St, Lockport, IL 60441
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Fracaro Heating & Cooling

0.0
24/7
511 Ames St, Lockport, IL 60441
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AC Repair Costs in Lockport

Typical repair costs for Lockport 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 Lockport, IL: What to Expect

Lockport sits in the Chicago metropolitan area, where summers push into the mid-80s with enough humidity to make a home's cooling system feel like a necessity rather than a luxury. Winters average a brutal 18 F, meaning heating gets far more use than cooling, but when August arrives and the AC struggles, homeowners need help fast. Eleven contractors serve this area with an average rating of 4.4 across 1,616 reviews, and six offer around-the-clock service. Finding reliable AC Repair in Lockport means looking at how each company performs when temperatures climb and systems fail.

For most homeowners, the first question becomes cost. A standard diagnostic runs between $83 and $220, while a refrigerant recharge using R-410A runs $165 to $770. Capacitor replacement, one of the more frequent repairs, runs $132 to $495. Illinois does not require a statewide HVAC license, so local licensing applies and reputable shops display their credentials accordingly. These price points reflect the actual work involved, from labor to parts, and knowing the ranges helps homeowners recognize reasonable quotes versus outliers.

Customer feedback points to specific technicians worth noting. Laura at Trailblazer Plumbing earns praise for her professionalism and the company's willingness to see jobs through. Nate at Winters Heating & Air Conditioning appears across eight five-star reviews, with five reviewers explicitly naming him and three mentioning same-day or after-hours emergency response. London Heating & Cooling holds all five-star ratings in its sampled reviews, with each mention of either same-day responsiveness or fair, quoted pricing. The consistent theme across positive feedback is straightforward: show up when promised, communicate clearly, and price honestly.

Frequently Asked Questions

AC repair in Lockport 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.