Our People Make the Difference!

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Home Builders Show
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Donovan and Jorgenson, Inc. is a highly experienced installation, repair and service contractor for heating, cooling and air quality systems.

We represent the leading brands of furnaces and central air systems such as:

  • Amana
  • Lennox
  • Maytag
  • Armstrong

Affordable Solutions
Donovan and Jorgenson help to provide affordable solutions for your specific needs and offers consultation expertise in working with you select the right system for your home or commercial building.

Peace of Mind
We have been serving the Greater Milwaukee and Waukesha areas since 1985, providing solutions that give our customers peace of mind about the quality and comfort of their home’s air environment.

Personalized Help
Whether you are planning a new home on your own, working with a chosen builder or considering the renovation of your existing home, we offer complete Residential Services.

In addition to residential services we provide a variety of Commercial Services including:

2-way Customer Appreciation
Our customers especially appreciate the time we take to educate them on how to balance the key elements of home environmental planning along with determining system choices and brand options. We appreciate our customers and take every opportunity to demonstrate superior customer service


Our People Make the Difference is our motto at D & J. It translates into the considerate, competent and courteous professionals who you can trust.