Air Conditioning

Kalins has over 95 years of experience providing air conditioning service to Sioux City IA, Vermillion & Yankton SD, and the surrounding areas. We are a Premier Lennox® Dealer and our team is trained to help with any and all air conditioning problems you may encounter. If you need help with installation, repair, or routine maintenance, contact us online or give us a call. We're happy to help.

In addition to offering the finest cooling products, we service any make or model of AC system. Our upfront pricing allows you to know what to expect beforehand and helps give you peace of mind.

Air Conditioning Service & Repair

Does it seem like your AC system always chooses the worst possible time to stop working? You're not alone. The Kalins team can repair your system quickly and efficiently and have you feeling comfortable again in no time. We offer 24/7 service and will work with any make and model. No matter how old or new your system is, we'll offer custom advice and a service plan to protect your investment and extend your system's lifespan.

We service all of your air conditioning units including:

  • Central Air Conditioners
  • Ductless Split Systems

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

Buy a New Air Conditioning System

When it comes time replace your air conditioner, you want to make sure that you are considering all your options. Deciding on the type of cooling system, the size, the SEER rating can be overwhelming. But don't worry, our Comfort Advisors will guide you through this process and then our expert technicians will properly install it. And, because we are a Premier Lennox® Dealer, we offer some of the best products in the industry!

Prevention & Comfort Club

The easiest and most effective way to cut down on utility bills and service calls is by taking preventative action. Your cooling system should be inspected regularly and any required maintenance performed before your systems starts to break down. Repairs and possible replacement of compromised systems will always be more expensive than preventative care. We offer customizable comfort plans to meet each customer's needs.

Geothermal Systems

A great way to save energy, Geothermal systems work by generating heat from the ground during the winter and pumping heat from your home back into the ground during summer. If you're interested in learning more about switching to Geothermal, Kalins is here to help!

Schedule an Appointment Now!

Schedule a no-obligation air conditioning 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 Air Conditioner, 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.