Air Conditioning Companies in Jefferson County, WI

Comprehensive list of commercial and residential air conditioning companies in Jefferson County, WI offering installation, repair and maintenance services.

Jefferson County, WI

Business Listings

We are a full service heating and cooling firm located at the north edge of Watertown, WI. We service all brands and have a lot of items in stock including high efficiency Armstrong and Amana furnaces and air conditioners as well as Buderus boilers, Bradford White water heaters, Woodmaster outdoor wood and corn burners, Sanyo heat pumps and mini-split air conditioners, indoor air quality products by

  • My ac unit stopped working and they came out as soon as they could. Greg knew right away

Y ou can trust the specialists at Carew Heating and Air Conditioning not only to make sure you receive the best heating & cooling system for your home, but that it's installed correctly. Indoor comfort means more than just keeping you warm in the winter or cool in the summer.


We trust that Quality Doesn't Have to Cost More! Established in 1995, delivering the Dane county area with over 75 years of combined experience, Brown Heating & Air Conditioning is the choice for you.



A comfortable home begins with a reliable, efficient heating and air conditioning system. If you neeed a new furnace or air conditioner, service for your heating & cooling equipment, or just a tune-up to improve energy efficiency, Pat's staff of HVAC specialists can assist.


Why should I consider replacing my heating or AC system? There are a number of factors to discuss when determining whether to repair or replace an existing system. Depending on the type and age of the unit you currently have installed you may be capable to save a significant amount of money by replacing it with a newer, more energy efficient unit.


Here at Kettle Moraine Heating & Air Conditioning, we realize that when you call on us you are placing the trust of your home and the comfort of your family in our hands.We take this responsibility very seriously. As 3rd generation HVAC contractors, we're looking forward to providing you the service you and your family deserve.


All Season Comfort has been in business since 1986 and is family owned & operated. Tom is the owner and has been in the heating and a/c business since 1975. His son Nate has been in the heating and a/c business since 1994. We service most gas and oil units for domestic and light commercial in most of Dodge and Washington County.


Bohling & Sons. has been installing Heating and Air Conditioning since 1947, and client satisfaction has always been and still is our number one priority. We've gained our reputation by expertly caring for our clients' requirements before, during, and after the sale.


Our organization has been a distinguished member of the Southern Wisconsin business community since 1984. We proudly service, maintain and sell all makes and models of heating, air conditioning and refrigeration equipment. Our profession is HVAC/R, however, our passion is developing and maintaining relationships with, and serving clients in a timely, cost-effective and professional manner.


Full Service Mechanical Contractor and HVAC Design Engineering Firm serving Southeastern Wisconsin. Commercial, residential, industrial, refrigeration, and controls. We provide excellent service with in depth knowledge and unparalled expertise at a reasonable price. 24 hour emergency service available. Customized maintenance planning and energy efficiency analysis for your home or facility. Expertise

  • LEEDing Edge responded quickly and was on time when my boiler went down in -25F below

Air Maintenance. was set up in 1979 by two ambitious men as a tiny start-up side business delivering HVAC coil cleaning. By 1981 our firm immerged as a complete time initiative, and the services were extended to include exhaust hood cleaning. Then, in 1992, AMI developed further to include duct cleaning in their realm of expertise and reliable service.


Westenn Mechanical Contractors. is the foremost supplier of heating, ventilation and air conditioning installation and service to domestic and commercial markets in Walworth County and surrounding areas. We distinguish ourselves by providing unmatched, state-of-the-art service and value to our clients.


I have fifteen years of knowledge. I excel at commercial, domestic, and industrial HVAC projects. I will be glad to assist you with all your Heating, Air Conditioning, Ventilation, and Indoor Air Quality requirements.


We provide training and seminars about new products and industry developments. Check out our calendar to see what's coming up next! We are your full-service Heating and Air Conditioning wholesaler. Janesville Winair is dedicated to delivering quality products/services to qualified HVAC contractors in Southern Wisconsin and Northern Illinois.


Specialists in repair, maintenance and design of industrial and commercial HVAC and process cooling.


As an area leader in heating & cooling systems, we take great pride in having served Waukesha and surrounding counties for more than 50 years. Our dedication to prompt, professional service is ongoing. Hard work, dedication and quality workmanship has allowed us to evolve longtime relationships with our clients, never losing sight of their requirements and concerns.


When it's time to install a new system, replace an existing system or correct air quality issues, Williams Heating Service will provide our clients a complete line of quality products to suit their requirements. We supply installation and service for existing and new single family homes, multi-family and commercial projects.


Enjoy the savings while geothermal quietly and comfortably heats and cools your home throughout the year. Geothermal is environmentally friendly, efficient, clean, and safe for your whole family. Residential & Commercial furnaces come with expert installation and warranties. Ask about our yearly maintenance packages.


Air Care. has been delivering service and installation of Residential and Commercial Heating and Air Conditioning systems since 1981. In recent years, our firm has earned a steadily strong reputation for our turnkey Geothermal installations. Our experienced designers, installers and service technicians all aim to exceed your expectations.


Sure-Fire. is Dodge County's biggest heating and air conditioning contractor, established in 1947 by Emil Malesevich. Our mission then, as it remains today, is to supply only the best quality heating and air conditioning systems and service to the area. Emil recognized back in 1947, that away from the bigger metropolitan areas, finding a knowledgeable heating contractor was next to impossible.