Air Conditioning Companies in Deerfield, WI

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

Business Listings

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.


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.


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.



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.


Illingworth-Kilgust, a wholly owned subsidiary of EMCOR Group., is a single-source supplier of high-quality mechanical services. After nearly eighty years, Illingworth-Kilgust has become one of the major HVAC firms in the Midwest. Take a moment to learn about us. At Illingworth-Kilgust, safety is our 1st concern. Our safety program has been recognized for numerous prestigious awards.


Since 1981, Commercial Air has been delivering superb heating, ventilating, air conditioning and refrigeration services to industrial and commercial businesses through the greater Madison area, as well as throughout the state of Wisconsin and northern Illinois. All our technicians and journeymen are trained and certified at the best industry standards.


Our philosophy at General Heating and Air Conditioning is simple: Do whatever it takes to do the job right. Our dedication to action and results is a key part of how we approach our work. We know that new approaches - creative and innovative engineering - can be a crucial part of doing whatever it takes to get that work done.


Great service like this is what will continue to have me use and recommend your firm. Action Plumbing and Air has been delivering the finest plumbing, HVAC and electrical service to Madison and the surrounding countryside for many years. Since 1989, we've been delivering prompt, courteous and individual service to our clients. Our team is courteous, uniformed and expertly trained.