Our History

At Kalins Indoor Comfort, our roots run deep. Learn about the history of our company:

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  1921

  Jacob Kalin starts the Norfolk Furnace Company in Sioux City, Iowa.

  
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  Post WWII

  Jacob Kalin forms a relationship with Lennox as a dealer. A relationship that continues today.

  
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  1947

  Sid Kalin (Jacob's son) starts working at the company called Kalins Heating and Air Conditioning now located at 1715 4th Street in Sioux City, IA.

  
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  1948

  The Lennox News features Kalins.

  
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  1954

  Sid Kalin appears on live television as a heating and cooling expert and the rest becomes history. Atta Boy Sid! Sid continues to appear on TV throughout his career along with his son Bruce.

  
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  1971

  Kalins observes its 50th year in business.

  
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  1976

  Third generation Bruce Kalin (Sid‘s son) joins the company. The business remains to this day the longest continuously operating heating and air conditioning firm in Sioux City.

  
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  1982

  Sid Kalin introduces a “revolutionary innovation” in the industry, a Pulse gas furnace, said to be 91 to 96 percent efficient, compared with the standard 55 to 60 percent efficiency of the day.

  
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  1983

  Bruce Kalin opens a business in Vermillion, SD called Kalins Indoor Comfort.

  
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  1989

  Bruce Kalin consolidates the Sioux City and Vermillion operations under the Kalins Indoor Comfort name.

  
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  1999

  Sid Kalin, an icon in the heating and cooling business retires. Bruce Kalin takes the helm.

  
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  2011

  Kalins celebrates 90 years in business.

  
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  2017

  Kalins Indoor Comfort opens its third location in Yankton, SD.

  
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  2021

  Kalins Indoor Comfort celebrates 100 years in business!