11 HVAC Repair Contractors in Janesville, WI

4.1 avg rating
1,188 total reviews1 offer 24/7 service

Top-Rated HVAC Repair Contractors in Janesville

#1

Rock Valley Services, Inc.

4.9(450 reviews)
24/7 Highly Rated

All seven sampled reviews award five stars, with customers specifically praising same-day response times, transparent pricing, and technician professionalism…

928 Todd Dr #2, Janesville, WI 53546
Call
#2

J. C. Heating and Cooling, Inc.

4.9(438 reviews)
Highly Rated

All six detailed reviews award 5 stars, with customers specifically praising fair pricing, fast response times, and technician communication. Four reviewers…

300 S River St, Janesville, WI 53548
Call
#3

Lloyd's Plumbing & Heating Corp

4.1(143 reviews)

Positive reviews praise the team's diagnostic skill and respectful on-site conduct, while negative reviews cite frustration with initial diagnosis that missed…

2352 US-14 Suite 100, Janesville, WI 53545
Call

All HVAC Repair Contractors (11 total)

Al Beyers Indoor Comfort Systems

4.1(71)

Three of six detailed reviews praise fast response times and efficient repairs, with technicians Judd and…

4100 N Newville Rd, Janesville, WI 53545
Call

Don-Martin Heating, Cooling & Geothermal Inc.

5.0(26)

All 26 reviews carry 5-star ratings. Multiple reviewers specifically mention same-day service availability,…

Janesville, WI 53545
Call

Footville Heating & Cooling Inc.

4.8(29)

29 reviews yield a perfect 5-star average, with multiple reviewers specifically naming same-day or next-day…

421 W St Rd Hwy #11, Janesville, WI 53548
Call

Air Control Heating & Cooling LLC

5.0(12)

All eight visible reviews award 5 stars, with seven explicitly naming the technician Brandon. Reviewers…

510 Tudor Dr, Janesville, WI 53546
Call

Sears Heating and Air Conditioning

3.4(12)

Mixed reviews: one customer described a failed appointment with no communication or apology, while another…

1915 Holiday Dr, Janesville, WI 53545
Call

Janesville Heating & Air

3.4(5)

Two of five reviewers award five stars citing friendly, professional service, while three reviewers describe…

4727 N Colt Dr, Janesville, WI 53546

Fabtek Custom Sheet Metal & HVAC

5.0(2)

Both reviews award five stars, with customers praising Mark's craftsmanship on furnace and AC replacements…

4716 S John Paul Rd, Janesville, WI 53546
Call

Top Solutions Cooling & Heating

0.0
207 N Academy St #421, Janesville, WI 53548
Call

HVAC Repair Costs in Janesville

Typical heating and cooling repair costs in Janesville, 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 Janesville, WI: What to Expect

Janesville experiences a continental climate with humid summers reaching 83 F and cold winters averaging 12 F with significant snowfall. Heating dominates from November through March, while the short cooling season runs June through August. This pattern creates consistent demand for HVAC Repair in Janesville, where eleven contractors serve the area with an average rating of 4.1 stars across nearly twelve hundred reviews. Homeowners rely on these professionals to keep systems running during the region's demanding heating and cooling seasons.

When repairs are needed, costs follow predictable ranges. Diagnostic calls run $83 to $220, while thermostat replacements cost $165 to $550. More extensive repairs, such as blower motor replacement, range from $440 to $1210. Wisconsin does not require a statewide HVAC license, so local licensing requirements apply in Janesville, meaning homeowners should verify credentials with their municipality before hiring a contractor.

Customer feedback reveals patterns across the area's highest-rated contractors. Rock Valley Services earns consistent praise for same-day response times, transparent pricing, and technician professionalism. J. C. Heating and Cooling receives recognition for fair pricing and clear communication, with multiple reviewers mentioning specific technicians by name. Lloyd's Plumbing & Heating Corp. draws positive mentions for diagnostic skill and respectful on-site conduct, though some customers note frustration when initial diagnosis missed the actual problem. These insights help Janesville homeowners identify contractors who combine technical skill with reliable service.

Frequently Asked Questions

HVAC repairs in Janesville 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.