About Us 

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With locations in Sioux Falls, Rapid City, Fargo and Bismarck we work regionally to provide customers with one simple solution for all HVAC equipment, building automation and system balancing needs. Our group formed on the basis of the O'Connor's philosophy that still holds true today: Serve our customers, make them comfortable, and do the job right!

We Offer

  • A solid reputation built on integrity, experience and performance.
  • Ties to leading manufacturers in the industry. From Daikin to Siemens and many more; we will help you be on the leading edge of the comfort industry.
  • Our integrated approach to comfort systems leaves you with one service phone call and always a prompt response time. 
  • Manufacturer training not only applies to employees but customers as well.  We want you to maximize your facility's efficiencies.


 

Steve Everson

Owner / Division Manager / Sales
Sioux Falls, SD

 

Michael Heeney

Owner / Sales
Sioux Falls, SD

 

Dave Heibult

Owner / Sales Engineer
Sioux Falls, SD

 

Mike Mechtenberg

Owner / President / Sales
Sioux Falls, SD

 

Mike O'Connor

President
Sioux Falls, SD

 

Sean O'Connor

Owner/Sales
Rapid City, SD
 

Ryan O’Connor

Owner / Sales
Sioux Falls, SD
 

Matt Perkins

Owner / Branch Manager
Fargo, ND
 

Joel Porch

Owner / Sales
Rapid City, SD