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.

    Our History
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    Post WWII

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

    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.

    Our History
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    1948

    The Lennox News features Kalins.

    Our History
  •  

    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.

    Our History
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    1971

    Kalins observes its 50th year in business.

    Our History
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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.

    Our History
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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.

    Our History
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    1983

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

    Our History
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    1989

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

    Our History
  •  

    1999

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

    Our History
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    2011

    Kalins celebrates 90 years in business.

    Our History
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    2017

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

    Our History
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    2021

    Kalins Indoor Comfort celebrates 100 years in business!

    Our History
Heating &
Cooling
Fireplace
Services
Indoor Air
Quality
Duct
Sealing
Commercial
Services
When You Want Comfort... You Want Kalins!

Kalins Indoor Comfort provides homeowners throughout the
Tri-State area with reliable, quality services and a commitment to
the highest levels of client satisfaction.


(712) 252-2000 Sioux City
1715 4th Street Sioux City, IA 51101
(605) 624-5618 Vermillion
710 Cottage Avenue Vermillion, SD 57069
(605) 665-4348 Yankton
2018 Broadway Yankton, SD 57078