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About Northern Weathermakers HVAC, Inc.

On February 1, 1949, William L. Hochschild, Jr. founded Northern Refrigeration and Engineering Company. A mechanical engineering graduate of the University of Illinois, Hochschild had previously worked for Ilg Electric Ventilation Company, now a division of Carrier/United Technologies.

Our first client was the Carlson Building in Evanston. Today, more than 66 years later, the Carlson Building is still a customer.

While we are proud of this fact, we are not surprised. At Northern Weathermakers HVAC, Inc., customer service is the cornerstone of our business. Our customers know that they can purchase the finest quality heating and air conditioning equipment and have it installed and serviced by the best in the industry.Today, Northern Weathermakers HVAC, Inc. offers first-class sales and service on commercial and Industrial heating, air conditioning and building automation systems in IL.


  • Over 60 years of Award Winning Service to our Customers
  • 24 Hour Emergency Service
  • In House Engineering
  • Full CAD Design
  • Energy Cost Analysis & Reduction
  • Dedicated Account Managers
  • Building Automation Solutions
  • Energy Efficient Products & Practices
  • Scheduled Maintenance
  • Customized Service Agreements
  • Dedicated Project Managers

Management Team

Mike Lee

Michael Lee joined Northern Weathermakers HVAC Inc. in 1987. Throughout his 28 year career with Northern, Mike has been responsible for a number of operational roles, including; Service Division Manager, VP of Service and VP of Construction and Building Automation.

Mike was appointed President of Northern Weathermakers HVAC Inc. and its subsidiary, N-Control Inc., in January 2009. Mike is responsible for combining the strength and resources of all Northern Weathermakers businesses and divisions and leading a charge into all technology and energy management areas associated with HVAC.

Cliff Kalash​​​​​​​
Construction Manager

Cliff Kalash is an Air Force Veteran who has been in the HVAC industry since 1979. Cliff joined Northern Weathermakers HVAC Inc in 2005. Cliff is involved in many aspects of the company. Cliff is responsible for putting together CAD designing, estimating, project management and engineering. He is currently the Construction Manager for Northern Weathermakers HVAC Inc..

Ariel Rodriguez
Building Automation Manager

Ariel Rodriguez is responsible for assisting all engineers in the design of all automation projects, and oversees the installation and commissioning of all automation projects. As Automation Manager he interacts with clients to address their specific needs and provide them with the latest in building automation technology.

What we are working on & what our customers are saying...

HVAC Installation
Office Staff
Energy Study
HVAC Maintenance
What Our Technicians Are Working On
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