If you are looking for a new heating system for your home or need a repair, then trust the experts with over 95 years of experience. Midwest winters require high-performance heating systems to keep everyone comfortable, so contact us online or call us today for services in Sioux City, IA, Vermillion, SD and Yankton, SD.

We offer the finest heating products and service any make or model and offer upfront pricing so you know what to expect before the work is started.

Heating Service & Repair

It is never convenient when you need heating repairs, but Kalins will restore your comfort quickly and efficiently. We have 24/7 availability and service all makes and models. No matter how old your system is, we will recommend service options that protect your investment by optimizing performance and lifespan.

We service all of your heating units including:

  • Gas Furnaces
  • Electric Furnaces
  • Heat Pumps
  • Hybrid Systems
  • Ductless Systems

Do you need heating repairs in Sioux City, IA, Vermillion, SD or Yankton, SD? Contact us today and have your home warm again!

Buy a New Heating System

No heating system lasts forever, so when that time comes for a new replacement system we are there for you. As a Premier Lennox® Dealer, we provide trained HVAC professionals who can advise you during this process. Contact us online or call today for services in Sioux City, IA; Vermillion, SD and Yankton, SD.

Prevention & Comfort Club

To save on utility bills and service calls, we urge you to take a preventive approach to heating. All of your heating systems should be included in a regular inspection and maintenance schedule. We offer comfort plans customizable for each customer’s individual needs.

Geothermal Systems

Geothermal energy is being used mostly to provide energy to ground source heat pumps, also called geothermal heat pumps.  A great way to save energy, these heat pumps get heat from the ground during winter and put heat back into the ground during summer.

Schedule an Appointment Now!

Schedule a no-obligation heating installation estimate with a Comfort Advisor. We look forward to partnering with you in creating your ideal home climate!

Need Financing?

Need more flexible payment options to purchase your new Furnace, Heat Pump or even finance a repair? We can help you with that.


  • 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.