11 HVAC Repair Contractors in Oconomowoc, WI

5.0 avg rating
2,609 total reviews7 offer 24/7 service
Need emergency service? 8 HVAC providers in Oconomowoc offer 24/7 availability

Top-Rated HVAC Repair Contractors in Oconomowoc

#1

Pat's Heating & Air Conditioning

5.0(1,859 reviews)
24/7 Highly Rated

All five detailed reviews award 5 stars, with technicians Sean, Jay, Paul M, and Luke each singled out by name for professional communication and quality work.…

1833 Executive Dr, Oconomowoc, WI 53066
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#2

Aire Serv of Oconomowoc

4.9(312 reviews)
Highly Rated

All six fully visible reviews award five stars, with three mentioning quick-response service and three specifically naming technicians Doug or Niko. Customers…

535 E Wisconsin Ave, Oconomowoc, WI 53066
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#3

Alpha Heating & Cooling LLC

4.9(145 reviews)
24/7 Highly Rated

Four of four reviewers mention same-day or late-night emergency response, with three specifically calling out technicians Russ or Adam by name for arriving on…

S15W33816 Wolf Rd # G, Oconomowoc, WI 53066
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All HVAC Repair Contractors (11 total)

Lake Country Heating & Cooling

4.8(136)
Highly Rated

Seven of eight reviewers award 5 stars, with specific praise for technicians Andrew and Cole. Negative…

N6333 County Rd F, Oconomowoc, WI 53066
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Aasen Heating & Cooling

4.9(63)

63 reviewers collectively award 4.9 stars, with multiple customers specifically naming Todd or Matt for their…

111 S Main St, Oconomowoc, WI 53066
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Brisc plumbing

5.0(43)
24/7

All 43 reviews award 5 stars, with multiple reviewers specifically praising same-day water heater…

148 E Wisconsin Ave, Oconomowoc, WI 53066
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Mark's Heating & Cooling, Inc.

5.0(22)

All 22 reviewers awarded 5 stars, indicating consistent satisfaction. Multiple reviewers specifically mention…

355 W Wisconsin Ave, Oconomowoc, WI 53066
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Lewis Heating and Cooling

5.0(14)
24/7

Eight verified reviews unanimously award 5 stars, with 4 reviewers specifically mentioning same-day service…

N Southwood Dr, Oconomowoc, WI 53066
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Great Lakes Heating & Cooling, LLC

5.0(6)
24/7

All six reviewers award five stars, with three specifically praising same-day or after-hours response during…

N7837 Division St, Oconomowoc, WI 53066
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David Anthony's Heating and Cooling

5.0(6)
24/7

All five client reviews award 5 stars, with technicians named in three of those reviews. Reviewers emphasize…

W340S2403 County Rd C, Oconomowoc, WI 53066
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Hanson Heating & Services

5.0(3)
24/7

Three reviews consistently award five stars, with customers citing same-day emergency response, professional…

N67W33880 Loghouse Ct, Oconomowoc, WI 53066
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HVAC Repair Costs in Oconomowoc

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

Oconomowoc sits within the Milwaukee metropolitan area, where Great Lakes continental weather creates real challenges for homeowners. Winters drop to average lows around 14 F, while summers barely reach the low 80s, meaning heating dominates from November through March and cooling demand stretches across just eight to ten weeks each year. Eleven contractors serve this market, maintaining a 5.0 average rating across more than 2,600 reviews, and seven offer around the clock availability. That demand for reliable HVAC Repair in Oconomowoc keeps every one of these shops busy during the cold months.

When something breaks, costs follow predictable lines. A diagnostic or service call runs $83 to $220, while a thermostat replacement lands between $165 and $550. Blower motor replacement, the more involved repair, costs $440 to $1,210. Wisconsin does not require a statewide HVAC license, so local licensing determines who can legally perform this work, and homeowners should verify credentials with the local building department before hiring.

The customer feedback tells a consistent story. Technicians Sean, Jay, Paul M, and Luke at Pat's Heating & Air Conditioning receive praise for professional communication and fair pricing. Doug and Niko at Aire Serv are noted for quick-response diagnostics. Russ and Alpha Heating & Cooling's Adam are highlighted for same-day or late-night emergency calls. Across these firms, five-star reviews dominate, with clients specifically mentioning on-time arrivals, clear communication, and quality workmanship.

Frequently Asked Questions

HVAC repairs in Oconomowoc 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.