Vermillion SD

710 Cottage Avenue
Vermillion, SD 57069
Phone: (888) 856-1498

To speak with a Sales Comfort Advisor, ask for Todd Nelson or Josh Alcorn

Office Hours

Monday – Friday 8:00AM – 5:00PM

Don't forget - we offer 24/7 service, so call us anytime you need help!

Kalins Indoor Comfort has been a part of the Vermillion community for over 30 years. Many of our employees make Vermillion their home. We have enjoyed providing service to our customers and are proud members of the community supporting local groups and as a member of the Chamber of Commerce.

We hope that you will allow us to continue to serve you for all your Heating and Cooling needs including; Fireplaces, Indoor Air Quality, Whole House Diagnostic Services and Aeroseal Duct Sealing. We also service all makes and models 24/7.

Don't forget to call us for an AC Tune-Up so you can be ready for that summer heat as all manufacturers recommend annual maintenance. A system check ensures your equipment is operating safely and saves money by maximizing efficiency and minimizing breakdowns. So, don't delay call today for an appointment.

  • Residential Heating and Cooling - Sales and Service
  • Commercial Heating and Cooling - Sales and Service
  • Indoor Air Quality Systems
since 1921
  • Whole House Diagnostic Services
  • Retail Fireplace - Sales and Service
  • Aeroseal Duct Sealing
Our Locations

Sioux City, IA – serving the Siouxland area
Vermillion and Yankton, SD – serving Southeast South Dakota


We accept most major credit cards and offer financing with approved credit.