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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.

Todd S.

The service technician, Jeff was everything you would want to offer competent, thoughtful, and pleasant reassurance that Kalin’s team is on hand to get the job done. He quickly reassured about the gas leak And then delivered by quickly addressing the problem.

Response from the owner:Dear Todd,
Thank you for the 5-star review and for trusting Kalins Indoor Comfort during a gas leak situation — we know that can be stressful. We’re so glad Jeff was able to quickly reassure you, diagnose the issue, and take care of it promptly and safely.

Gas leaks are something we never take lightly, and having experienced technicians like Jeff on our team makes all the difference. We also appreciate your Comfort Club membership — it’s designed exactly for moments like this, giving you priority service and peace of mind when you need it most.

Thank you again for your continued trust in Kalins. We’re always here for you in Sioux City, IA.

Bill H.

Response from the owner:Dear Bill,
Thank you for the 5 Star Rating for our Service Technician Radyn!

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 Radyn representing Kalins Indoor Comfort so well.

We truly appreciate you choosing Kalins and look forward to serving you again in the future in Moville, IA.

Samantha G.

Jacob was speedy and very polite. The Customer Service team was fantastic in helping me schedule via text!

Response from the owner:Dear Samantha,
Thank you for the 5-star review! We’re glad to hear Jacob provided speedy, polite service during your HVAC maintenance visit. He takes pride in being efficient while still delivering thorough, professional care.

We’re also happy our Customer Service team made scheduling easy through text — we know convenience matters, and we’re always working to make the process as smooth as possible from start to finish.

Thank you for choosing Kalins Indoor Comfort. We truly appreciate your trust in Burbank, SD.

Marie H.

Mikah was out today to do a maintenance check . Mikah was very nice and knowledgeable. I hope to see him again.

Response from the owner:Dear Marie,
Thank you for the 5 Star Review and for being a valued Comfort Club member! We’re so glad to hear Mikah provided a knowledgeable and friendly maintenance visit. He takes pride in making sure your system is running safely and efficiently while answering any questions along the way.

One of the best parts of our Comfort Club is building relationships with technicians you know and trust — we’ll certainly do our best to have Mikah back out to your home again.

We truly appreciate your continued loyalty to Kalins Indoor Comfort!

Dave P.

Response from the owner:Dear Dave,
Thank you for the 5 Star Rating and for being part of our Comfort Club! We’re glad your maintenance visit went smoothly and that our technician Kevin 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 Yankton, SD.

Tom South Dakota High P.

Response from the owner:Thank you for the 5 Star Rating and Review for our Service Technician Jordan! We’re proud of the team and the level of customer service and technical expertise they bring to every HVAC maintenance visit. Comfort Club is designed to deliver consistent, professional care, and it’s great to see that reflected in your experience. We appreciate the feedback and the continued support.

Steve S.

Bill did a great job!

Response from the owner:Dear Steve,
Thank you for the 5 Star Rating and Review! We’re so glad to hear Bill did a great job during your furnace maintenance visit. He takes great pride in making sure homeowners feel confident, informed, and comfortable with their heating system.

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 Bill representing Kalins Indoor Comfort so well.

We truly appreciate you choosing Kalins and look forward to serving you again in the future in Sgt. Bluff, IA.

Jennifer D.

Response from the owner:Dear Jennifer,
Thank you for the 5 Star Review and Rating for our Service Technician Bill. We’re glad we could get your heat back up and running! Thank you for trust in us to take care of your furnace repair needs in Sioux City, IA.

Michael W.

We couldn’t be more impressed with our new HVAC system and the installation process. Danny and Nick arrived right on time and completed the entire job before the end of the day. Their attention to detail and quality of work is beyond expectations. They did a lot of re-ducting/customization of our existing ductwork which looks professionally done.

Response from the owner:Dear Michael,
Thank you so much for the 5 Star Rating and Review! We’re thrilled to hear you’re impressed with your new HVAC system and the installation process. Danny and Nick take great pride in their workmanship, and it’s great to know their attention to detail and ductwork customization exceeded your expectations.

A proper installation — especially when re-ducting and fine-tuning airflow — makes all the difference in long-term comfort, efficiency, and performance. We truly appreciate you trusting Kalins with your heating and cooling installation and look forward to keeping your home comfortable for years to come in South Sioux City, NE.

Larry K.

Response from the owner:Dear Larry,
Thank you for the 5 Star Rating for our Service Technician Fernando! We’re glad we could get your furnace repaired and your home comfortable again. Our goal is always a thorough diagnosis, clear communication, and dependable repairs you can trust. We appreciate the opportunity to serve you and are here whenever you need us in Sioux City, IA.