HVAC in Wisconsin

68 HVAC contractors in 44 cities and towns. Heating, ventilation, air conditioning and refrigeration installers and service companies, including rooftop units and service agreements. Facilities usually schedule them at least twice a year, before cooling and heating seasons.

How Many HVAC Contractors Are in Wisconsin?

We list 68 HVAC contractors in Wisconsin, across 44 {cities.length === 1 ? 'city' : 'cities and towns'}; the most are in Milwaukee (7), Beloit (4), Appleton (2). Facilities usually schedule HVAC contractors at least twice a year, before cooling and heating seasons. Ask each for a written quote with every fee included and compare the totals.

Updated November 6, 2026 · Source: OpenStreetMap (refreshed November 6, 2026).

By City

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Before You Hire

  1. Do you take commercial work, and do you service buildings like ours?
  2. Can you send a certificate of insurance naming us as additional insured?
  3. Are your technicians EPA Section 608 certified to handle refrigerant?
  4. Do you service our equipment type and brand (rooftop units, chillers, boilers)?
  5. What does a service agreement include, visit by visit?

Quigley Smart

South Madison Road, Beloit

HVACPhone listedWebsiteSource: OSM

Adams

801 North Wisconsin Street, Elkhorn

HVACWebsiteSource: OSM

Grandy and Associates

2671 Continental Dr. Suite C, Green Bay

HVACPhone listedWebsiteHours listedSource: OSM

Comfort By Design

1600 Maxwell Drive, Hudson

HVACPhone listedWebsiteHours listedSource: OSM

R&S Hvac

1615 Livingstone Road, Hudson

HVACPhone listedWebsiteSource: OSM

Butters Fetting

1669 South 1st Street, Milwaukee

HVACPhone listedWebsiteSource: OSM

Woodstoves & More

405 Business 53;US Hwy 53 (Bus), Minong

HVACPhone listedWebsiteHours listedSource: OSM

Drucks

109 Curtis Avenue, Neenah

HVACPlumbingPhone listedWebsiteSource: OSM

Schulte HVAC

131 North Main Street, Oconomowoc

HVACPhone listedWebsiteSource: OSM

HVAC Concepts

136 West Knapp Street, Rice Lake

HVACWebsiteSource: OSM

HVAC in every state · Questions to Ask Before Hiring: HVAC

Listings: © OpenStreetMap contributors (ODbL) · Data last updated November 6, 2026 · Sources & method