mechanical contractor Providing Southeastern Wisconsin with commercial HVAC Service, design, and installation


Our Goal

Conditioned Air Design, Inc. has been providing the Southeastern Wisconsin market with commercial heating and air conditioning services for over 50 years. Our work ethic and expertise in design, installation, and service has guaranteed us proud and loyal customers throughout the years. We still do business with many that helped us get started!

With our commitment to superb service we are proud to earn your trust.


Our Services


Reliable & Efficient

Our ability to respond to unique situations is what separates us from the competition. We are fully equipped to handle the biggest of jobs, while providing the expedient and individualized attention that one-stop shop mechanical contractors cannot match.

Our technicians are experts at handling the most unpredictable situations with minimum disruptions, and often, we are able to circumvent them completely.



We provide 24/7 service, peak performance maintenance contracts, and building management systems. Each carefully tailored to your individual needs. Our trucks are equipped and ready to handle any HVAC problem you might encounter, any time, everyday.


Thanks to our fully equipped sheet metal shop we can provide both galvanized and fiberglass ductwork. We fabricate these materials in house utilizing state-of-the-art equipment. Our plasma machines are computerized for precision and efficiency. We compliment these manufacturing abilities with full piping capabilities. In addition, all our vehicles are equipped to operate as a self contained unit.


We offer HVAC system design for both new construction and building remodels. Our flexibility to adapt to your application sets us apart from the competition. We have experience with Trane, Carrier, American Standard, Lennox, and many more HVAC manufacturers.



With our sheet metal workshop we can fabricate sheet metal/fiber ductwork, curb adapters, tanks, and other custom fabrication needs you might have. We even supply a large portion of HVAC contractors in the Southeastern Wisconsin area.

We don’t have to wait days for parts, we can fabricate them in house in hours, this is why we can finish big jobs faster and cheaper than the competition.

We are fully equipped to handle all your fabrication needs.


Why Conditioned Air Design, Inc.?

We understand the complexity of modern HVAC needs for modern businesses. Here at Conditioned Air Design, Inc. we take pride in the ability to handle any problems you might encounter. With our dedicated design engineers and service technicians we can work around the clock to answer all your needs. We are proud to provide tailored services to fit your business or commercial application.

Our ability to be diverse and adapt to your problems along with the special attention we give to every job sets us apart from the competition.


service at all times

No matter the day or time, Conditioned Air Design, Inc. is ready for any HVAC repair you may need.



hvac systems designed & installed

With a multitude of experience in HVAC system design & installation we can provide the most efficient and customer friendly offer in the market, no matter how big or small.



years of experience

Since 1968 we have been supplying the Southeastern Wisconsin market. Many of our first customers are still with us today. We provide unmatched attention to detail that keeps our relationship with our customers fruitful.

“We can sum it all up by saying that we believe service is an attitude. It's the way we do business that shows a genuine concern for each of our customer’s circumstances. It's our commitment to work that much harder to satisfy, and to keep working until the job is done right. “

Larry Charles, Founder / Conditioned Air Design, Inc.



Our team is the key to our success


With our in house design & engineering team we can turn around estimates & designs fast and efficiently, while our service team works on call 24/7 to ensure you never go without HVAC service.

We understand that a business is only as good as its employees, and our employees take pride in being the primary driving force that brings in over 10 million annually in business and is rapidly growing.

No matter the size or complexity you can rest assured our team will work tirelessly to guarantee your satisfaction.

Service & Dispatch

For questions regarding booking a service technician, inquiries about preventative maintenance contracts, or general HVAC service concerns please contact

Kyle Arkell - Service Manager


Tiffany Tesch - Dispatch


Design & install

For questions regarding HVAC solutions feel free to contact our experienced design team

Brian Charles

President, D.E.


Mark Zaborowski - Vice President of Business Development


Mike Gilmore - Sales Engineer


general questions

For any general questions and inquiries please contact our office