Kalins Indoor Comfort

(712) 252-2000 Sioux City
(605) 624-5618 Vermillion
(605) 665-4348 Yankton

When you want comfort…You want Kalins!

Whether you own a residential or light commercial building, whether you need installation or service, the professionals at Kalins Indoor Comfort can provide you with key environmental systems expertise.

For over 90 years, and through three generations of family ownership, we’ve offered reliable, quality services. We believe that you should be at ease and in control—a feeling of confidence and comfort that we are happy to help you establish and maintain.

What We Do

  • Residential and Commercial Heating and Cooling - Sales and Service
  • Indoor Air Quality Systems
  • Whole House Diagnostic Services
  • Retail fireplaces sales - many makes and models (gas, electric, wood fireplaces, and wood inserts)

Two Locations

  • Sioux City, IA - Serving primarily Woodbury, Monona, and Plymouth counties in Iowa, Union county in South Dakota, and Dakota and Thurston counties in Nebraska. (Expanded areas of service available upon request.)
  • Vermillion, SD - Serving primarily Clay, Union, and Yankton counties in South Dakota and Dixon county in Nebraska. (Expanded areas of service available upon request.)

We accept most major credit cards and offer financing to qualifying customers.


Learn more about how Aeroseal Duct Sealing can help improve indoor air quality, uneven
heating and high energy bills. Click here for details. Click here for details.


Lennox rebates available.  Click here for details.

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