8 HVAC Repair Contractors in New Lenox, IL

5.0 avg rating
2,624 total reviews5 offer 24/7 service
Need emergency service? 6 HVAC providers in New Lenox offer 24/7 availability

Top-Rated HVAC Repair Contractors in New Lenox

#1

Zark Heating & Cooling Inc.

5.0(809 reviews)
Highly Rated

Every reviewer awarded five stars, with zero negative feedback present in the sample set. Multiple customers explicitly mention same-day or next-day service…

14021 W Illinois Hwy, New Lenox, IL 60451
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#2

Magtek Mechanical Heating & Cooling

4.9(577 reviews)
24/7 Highly Rated

Every reviewer awarded 5 stars, with 5 of 6 mentioning specific staff by name or the team's knowledge level. Multiple reviewers note Darryl's personal…

21607 S Schoolhouse Rd, New Lenox, IL 60451
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#3

Happy Hippo Heating and Cooling

5.0(503 reviews)
Highly Rated

Every one of the 503 reviews awards 5 stars, a pattern rare in HVAC contracting. Reviewers repeatedly mention specific technicians by name and praise the…

12563 Old Plank Dr, New Lenox, IL 60451
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All HVAC Repair Contractors (8 total)

Update Heating and Cooling Services

4.9(441)
24/7 Highly Rated

Of seven named reviewers, six assign perfect scores while citing specific traits: diagnostic accuracy (Aditya…

897 Country Creek Dr, New Lenox, IL 60451
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RCM Heating & Cooling, Inc.

4.9(176)
Highly Rated

All five-star reviews reference technician Randy Bond or Randy, consistently praising diagnostic transparency…

1018 Star Ln, New Lenox, IL 60451
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S&S Mechanical Services Inc.

4.9(114)
24/7 Highly Rated

All five-star reviews emphasize fast response times and fair pricing, with three clients naming individual…

22014 Howell Dr Unit 1, New Lenox, IL 60451
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TODD's HVAC Services

5.0(2)
24/7

Both verified reviews award 5-star ratings, with one client citing same-day furnace replacement and another…

895 Country Creek Dr b, New Lenox, IL 60451
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Knights HVAC

5.0(2)
24/7

Both reviewers awarded perfect 5-star ratings, with 100% mentioning professional conduct. One client…

1039 Industry Rd Suite C, New Lenox, IL 60451
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HVAC Repair Costs in New Lenox

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

New Lenox sits within the Chicago metro’s swing between lake-cooled summers and brutal winters, with average winter lows near 18°F and lake-effect wind chill that stresses home heating systems. That climate keeps furnace reliability front and center, driving steady demand for hvac-repair New Lenox. Eight contractors serve the area, averaging a 5.0 rating across 2,624 reviews, and five offer 24/7 service.

Concrete cost ranges from specific top-line items were not provided for this listing, so homeowners should expect variation based on system size, type, and emergency vs. scheduled work. Local estimates will reflect parts, labor, and access complexity. Illinois lacks a statewide HVAC license, so verify municipal or county licensing, local insurance, and permits before authorizing repairs to ensure compliance and protection.

Customer highlight details were not supplied, so prospective clients should read recent reviews for patterns like punctuality, diagnostic thoroughness, and clear pricing. Prioritize contractors who document findings, provide written estimates, and offer service agreements or warranties. With heating demand dominant here, firms that demonstrate rapid response and transparent communication tend to earn the best long-term reputation.

Frequently Asked Questions

HVAC repairs in New Lenox 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.