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For The Best Heating and Cooling Experts Choose Kalins!

Kalins Indoor Comfort serves homeowners in Iowa, South Dakota and Nebraska with dependable HVAC services. For over 100 years, our business has spanned three generations of family ownership. We work hard to look after our customers and team members. Our highly-trained technicians are here for you 24/7 to help with any heating or cooling problems.

Whether you’re looking for help with your air conditioning, considering a new fireplace or worried about indoor air quality, we can help. We’re proud of our legacy and are dedicated to the people we serve and the team members who make up the Kalins family.

As we like to say, “When You Want Comfort…You Want Kalins!” and it’s a motto that goes beyond just words. We give you our promise that we’ll always provide you with the best service and the highest standard of workmanship.

Heating

Cooling

Indoor Air Quality

Duct Sealing

Fireplaces

Reliable HVAC Services Across the Midwest

For homeowners in Iowa, South Dakota, and Nebraska, we offer heating and cooling services and solutions that cannot be beaten. When the temperature swings quickly as is normal here in the great Midwest, you'll want an HVAC system that can keep up. One day you might need the cool and breezy air of your AC, and the next you'll be firing up your furnace. No matter what the weather has in store, we'll help to keep you comfortable. So, whether you are looking to repair or replace, you've come to the right place!

From the moment we take your first call, we'll step up to the plate to exceed your expectations. Your satisfaction is everything to us and it's a passion that is strong throughout our team. We can assist with HVAC repairs, installation, and maintenance and will have your system operating perfectly all year round. We're also here to help you with your fireplace. From beautiful indoor fireplaces to contemporary fire pits for your patio, we excel in designing and fitting stunning and practical features for your home.

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Why Choose Us?

At Kalins Indoor Comfort, we believe that your home should be safe and comfortable for precious family time. We'll help you to keep it that way with our heating and cooling repair, installation, and maintenance services. From helping you to save money on energy costs to advising you on the best fireplace for your space, we tailor our services to suit your needs. When we opened our business in 1921, we could only have dreamed about how successful we would be over 100 years later. Through hard work, determination, and dedication to our customers, we've built a company that you can truly trust.

Experience

We have over 100 years in the business.

Customer Service

We’re proud to have received thousands of 5 star reviews.

Connections

We’ve been a Premier Lennox Dealer for over 70 years.

People

Our team of highly-trained & respectful employees are ready to serve.

Commitment

Because we love what we do, we have the drive to do it well every day.

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Awards & Credentials

BBB Accredited

Lennox Premier Dealer

Lennox Circle Of Excellence

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Call Us Today to Schedule an Appointment

Over a century may have passed since we first opened our doors, but you can expect the same great service and value today as we insisted on back then. Comfort is everything when you are at home. From the moment you walk out of the chilly rain through your front door to the times you escape the heat into a cool and breezy haven, you depend on your HVAC system. And you can depend on us. We bring you a wide selection of heating and cooling services in one place and deliver each exceptionally well. You'll always be our first priority no matter which of our services or solutions you choose.

Speak to our team here at Kalins Indoor Comfort today to discover more about our HVAC services and how we can help you to enjoy year-round comfort. We're standing by ready to assist you, so contact us today!

See What Our Clients Say

Luke always does a great job explaining what the maintenance covers and what he will be doing. I appreciate his ability to speak on my level. He’s kind, courteous, professional and we enjoy having him service our system. Great job!

Lori B.

Aaron not only did a good job, but he did a great job. He was pleasant, explained in layman’s terms what the problem was, and repaired it immediately. He took the time to make sure everything was functioning properly before he left. Thank you, Kalins, for taking good care of our HVAC needs!

Mary Kay S.

Kalins is great! I would highly recommend signing up for their annual service checks. They are very thorough and provide great peace of mind knowing that things are working as they should be. I recently had an appointment with Tyler. He is awesome! Prompt, very knowledgeable, professional, and helpful. Thank you!

Lisa K.

It’s never fun having to replace your whole system, but Kalins was beyond exceptional every step of the way. Quality products, quality service, and even better people have made a life long customer in me. I will recommend them to everyone I know, every chance I get. It’s not hard to see why they have been around as long as they have.

Mark L.

chris S.

Ken B.

Work was done on a service contract. Jordan did a great job and seemed very knowledgeable. He cleaned and serviced our fireplace and furnace. Great job!

Patti B.

He did an excellent job. He has a nice personality, was right on time, and he did a thorough and conscientious job.

Response from the owner:Dear Patti,
Thank you for the 5 Star Rating and Review for our Service Technician Mason We appreciate you noting that during your furnace preventative maintenance visit, he did a thorough and conscientious job. We appreciate you being a valued member of our Comfort Club in Vermillion, SD.

dianne D.

Mikah did a very professional job. Very please with the service we received.

sandra H.

Bill Kammerrer
Was very helpful and gave great details and advice for our situation

Nelson C.

Response from the owner:Dear Nelson,
Thank you for the 5 Star Rating and Review for our Service Technician Jordan! We’re grateful for the opportunity to perform your furnace preventative maintenance and help keep your system running safely and efficiently. Regular tune-ups are one of the best ways to extend the life of your equipment and avoid unexpected breakdowns.

We truly appreciate your continued trust in Kalins Indoor Comfort. We’re always here when you need us in Bronson, IA.

Charles H.

Response from the owner:Dear Charles,
Thank you for the 5 Star Rating for our Service Technician Draven! We’re glad your maintenance visit went smoothly and that our technician delivered the friendly, professional service we strive for every day.

Regular Comfort Club tune-ups are designed to keep your heating and cooling system running safely, efficiently, and reliably year-round — and we’re honored you trust Kalins Indoor Comfort to take care of your home.

We appreciate your continued membership and look forward to your next visit in Vermillion, SD.

Lynn H.

Bill did a great job with the AC maintenance!
Super nice guy and great conversationalist.
Great service by Kalins and Bill, but I think I enjoyed the conversation more. Can't wait to speak with Bill again.
Thank you Bill and Kalins

Response from the owner:Dear Lynn,
Update:
Thank you for the 5 Star Rating and Review for our Service Technician Aaron! Thank you for being a valued member of our Comfort Club! Routine furnace maintenance is one of the best ways to keep your system running safely and efficiently all winter long, and we’re proud to have technicians like Jeff representing Kalins Indoor Comfort so well.
We truly appreciate you choosing Kalins and look forward to serving you again in the future in Sioux City, IA.

Mavis

Will and Neal did awesome job

Response from the owner:Dear Mavis,
Thank you for the 5-star rating! We’re honored you trusted Kalins Indoor Comfort with your installation.

Will & Neal take great pride in doing the job right — from careful removal to precise installation and thorough testing — so your new system runs safely and efficiently from day one.

We truly appreciate your business and look forward to keeping you comfortable for years to come.

Joel G.

Excellent service. Aaron explained everything he did and what he saw. Very personable.

Response from the owner:Dear Joel,
Thank you for the 5-star review! We’re so glad to hear Aaron provided excellent service and took the time to clearly explain what he was checking and what he found. We believe homeowners should always feel informed and confident about their HVAC system.

Aaron’s professionalism and personable approach truly represent what we strive for at Kalins Indoor Comfort.

We appreciate you choosing us for your HVAC maintenance, and if you ever want to simplify future visits, we’d be happy to share information about our maintenance membership as well. Either way, we’re always here when you need us in Sioux City, IA.