Our Services - Kohnen Air Conditioning & Heating, Inc.
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Our Services

Our HVAC Services

  • Commercial service
  • Commercial replacement
  • Residential replace
  • Residential service
  • Air duct cleaning
  • Air purification
  • Kitchen exhaust
  • Ventilation


Manitowoc (machine name)

  • Walk in coolers
  • Reach in
  • Refrigerated display cases
  • Beer tapper

Ice Machines

Follet (machine name)

  • New install
  • Cleaning
  • Water filtration
  • General Service

0% Financing for 18 Months Option Available


When it comes to a new construction or a retrofit we are you solution. For over 35 years we have been installing and servicing residential central air conditioning systems. We provide systems that are not just slapped out and guessed at when it comes to size, we provide systems that keep efficiency and airflow in mind. Providing properly sized systems, we can help lower your bills and provide a comfortable environment. We offer classical central air systems as well as Geothermal solutions. Let us help you, we do not ever push a system on to you, we help you develop one that will meet your needs.



Kohnen Air Conditioning has grown into a commercial HVAC leader in the Metro-East area. The ability to design, build, and install commercial HVAC systems in house has made us a favorite contractor for many architects, engineers, and general contractors. We can offer the one stop solution for all of your needs. From schools to jails to water treatment plants to grocery stores we have the ability to meet your needs in a professional, economical, and timely manner. Call our estimating department today for more information.

Air Duct Cleaning

Our service department offers residential and commercial air duct cleaning as an option to our customers. This job is not something that is looked forward to nor enjoyed but we feel that as a provider of conditioned air to our clients, we must offer this. Throughout years of use air ducts become covered dust and grime. This can cause allergies, asthma, and not to mention a dirty house. We will use an industrial strength vacuum specially designed for cleaning duct work to improve the conditions within your house. In most cases we will be in and out before you are home for work. Providing clean air as well as conditioned air is important to us. Contact us today for pricing and availability.


Custom Sheet Metal

You name it we can make it. With our computerized state of the art Vulcan Plasma Cutting Table, if we can draw it we can make it. We have the capabilities of working with regular galvanized sheet metal, copper, stainless steel, aluminum, cold roll steel, paint grip steel, and regular steel. We can do heavy gauges as well as light work. Our union sheet metal workers are very skilled and can provide much more than duct work. From guttering to custom stove exhaust systems, we can do it!!!

Kohnen Air Conditioning & Heating, INC. is a RUUD Pro Partner