7 HVAC Repair Contractors in Oak Forest, IL

4.7 avg rating
4,339 total reviews2 offer 24/7 service
Need emergency service? 2 HVAC providers in Oak Forest offer 24/7 availability

Top-Rated HVAC Repair Contractors in Oak Forest

#1

King Heating, Cooling & Plumbing

4.7(4,165 reviews)
24/7

Five recent reviewers highlight rapid response, with Katrina receiving help within 30 minutes of her call. Technicians Gerry, Nick, Josh and John receive named…

4813 W 159th St, Oak Forest, IL 60452
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#2

All Day Comfort HVAC, Inc.

5.0(108 reviews)
Highly Rated

Every reviewer awarded 5 stars, with zero below-standard ratings. Six customers explicitly praised technician Robert for arriving promptly and refusing…

4850 158th St #1, Oak Forest, IL 60452
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#3

Eich's Heating and Cooling Company, Inc.

4.9(35 reviews)

Five of six reviewers who rated their experience five stars specifically named either Ken or his son as the technician delivering service, with several noting…

15525 Duncan Rd, Oak Forest, IL 60452
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All HVAC Repair Contractors (7 total)

Around the Town Heating and Cooling Inc.

4.8(19)

Five distinct reviewers by name reference Ed as their primary technician, citing consistent honesty and fair…

16830 Forest Ave, Oak Forest, IL 60452
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HVAC RESCUE LLC

5.0(8)

All seven reviews award five stars, with two technicians, Eli and Elias, mentioned by name across multiple…

6404 Forestview Dr, Oak Forest, IL 60452
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Heating & Air Conditioning

3.7(3)

Two of three reviewers awarded five-star ratings, with both describing the company as the best in its…

4163 166th St, Oak Forest, IL 60452

COFFEY TEMP PRO, LLC

5.0(1)
24/7

All five-star reviewers report same-day response times and recommend the contractor without reservation.…

15308 Merlin Ct, Oak Forest, IL 60452
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HVAC Repair Costs in Oak Forest

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

Oak Forest sits within the Chicago metropolitan fabric, where winter temperatures settle around 18 degrees with sharp lake-effect wind chill and summer highs climb to 84 degrees with sticky humidity. Heating demand far outweighs cooling in this climate, making furnace reliability critical for homeowners. Six contractors serve this suburb, collectively maintaining a 4.9 average rating across more than 4,200 customer reviews. For Oak Forest residents facing those brutal winters, reliable hvac repair Oak Forest becomes less a convenience and more a necessity when the furnace falters.

Costs in this market follow recognizable patterns. A diagnostic or service call typically runs $83 to $220, while thermostat replacement carries a price range of $165 to $550. More extensive repairs, such as blower motor replacement, can reach $440 to $1210 depending on unit specifications and labor needs. These figures reflect the scope of work required and parts pricing rather than arbitrary markers. Illinois does not issue a statewide HVAC license, so contractors operate under local licensing requirements that vary by municipality, an arrangement that makes verifying a company's standing directly through local consumer protection offices especially important for homeowners.

Customer feedback reveals distinct service patterns among area contractors. At All Day Comfort HVAC, every reviewer awarded a perfect five stars, with technician Robert frequently mentioned for arriving promptly and declining unnecessary upsells. At Eich's Heating and Cooling, customers consistently praised speaking directly with either Ken or his son, both owners who perform the work themselves. Across reviews, response speed, transparent communication, and honest recommendations emerge as the qualities Oak Forest homeowners value most when selecting a repair provider.

Frequently Asked Questions

HVAC repairs in Oak Forest 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.