Air Conditioning

If you are looking for air conditioning service or maintenance, trust the experts with over 95 years of experience. As a Premier Lennox® Dealer, our expert HVAC professionals are trained to take care of any air conditioning issues you may have. Contact us online or call today for air conditioning service in Sioux City, IA, Vermillion, SD and Yankton, SD.

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

Air Conditioning Service & Repair

It's never convenient when you need air conditioning 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'll recommend service options that protect your investment by optimizing performance and 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

To save on utility bills and service calls, we urge you to take a preventive approach to cooling. All of your cooling 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 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.