5 HVAC Repair Contractors in Buffalo Grove, IL

4.7 avg rating
3,453 total reviews4 offer 24/7 service
Need emergency service? 5 HVAC providers in Buffalo Grove offer 24/7 availability

Top-Rated HVAC Repair Contractors in Buffalo Grove

#1

Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric

4.7(2,885 reviews)
24/7

The overwhelming majority of reviews award 5 stars, with customers frequently praising same-day response times and technicians who explain options without…

135 N Arlington Heights Rd Ste 180, Buffalo Grove, IL 60089
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#2

Next Generation Heating & Cooling

5.0(289 reviews)
24/7 Highly Rated

Every reviewer awards 5 stars, with 4 of 6 reviewer accounts explicitly mentioning same-day or within-hours emergency response. Two reviewers specifically note…

1398 Busch Pkwy, Buffalo Grove, IL 60089
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#3

GVs Heating & Cooling INC

4.9(192 reviews)
24/7 Highly Rated

Eight reviewers collectively award five stars, with three specifically praising named technicians John and Jake. Two customers highlight emergency response…

1606 Barclay Blvd, Buffalo Grove, IL 60089
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All HVAC Repair Contractors (5 total)

Assurance Heating & Air Conditioning, Inc.

4.1(79)

Four verified reviewers specifically commend technician Nick for honest assessments that saved homeowners…

760 Hastings Dr, Buffalo Grove, IL 60089
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T.E.M AC Repair Furnace Repair

5.0(8)
24/7

Eight clients awarded perfect 5-star ratings, with zero lower scores recorded. Three reviewers specifically…

88 St Marys Pkwy #1C, Buffalo Grove, IL 60089
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HVAC Repair Costs in Buffalo Grove

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

Buffalo Grove sits on the cooler edge of the Chicago metro, where lake-effect winters with 18°F lows and biting wind chill make reliable furnaces a household priority, and humid summers that reach 84°F still require dependable cooling. That climate drives steady demand for hvac-repair Buffalo Grove; five contractors serve the village with an average 4.7 rating across 3,453 reviews and most offer round-the-clock service.

Specific price figures weren’t provided in the dataset, but repair costs in this market span a wide spectrum depending on parts and labor—major work on furnaces, control boards, and compressors typically represents the top end of that spectrum. Illinois lacks a statewide HVAC license, so homeowners should confirm local municipal licensing and permits, check technicians’ certifications, and request written estimates that break down parts, labor, and potential permit fees before signing.

Customer highlights were not detailed in the materials, but patterns in Buffalo Grove’s market are clear: four of five providers advertise 24/7 availability, and reviews emphasize fast emergency response and routine maintenance plans. When hiring, prioritize documented warranties, transparent pricing, references for similar winter-season repairs, and technicians who explain the trade-offs between repair and replacement in writing.

Frequently Asked Questions

HVAC repairs in Buffalo Grove 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.