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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.

Brian O.

Isaac was great. Punctual, friendly, explained what he was doing . He genuinely seemed like he is enjoying his job

Rick E.

Response from the owner:Dear Rick,
Thank you for the 5 Star Rating for our Service Technician Fernando. We appreciate that and will Fernando know as he always likes to deliver a 5 Star Experience! Thank you for choosing Kalins Indoor Comfort for all your fireplace needs in Sioux City, IA.

greg K.

Daven was very thorough and personable, as well as being polite. Good service!

Response from the owner:Dear Greg,
Thank you for the 5 Star Review and Rating for our Service Technician Draven! We appreciate the kind words noting that he was thorough, personable and polite during your furnace preventative maintenace. Thank you for being a valued member of our Comfort Club in Yankton, SD!

Tyler B.

Bill, did a great job

Response from the owner:Dear Tyler,
Thank you for the 5 Star Review and Rating for our Service Technician Bill! Bill loves to provide a 5 Star Experience and we appreciate the feedback that he did a great job during your furnace preventative maintenance visit. Thank yoy for being a valued member of our Comfort Club in Sioux City, IA.

Andy A.

Caleb performed annual furnace maintenance. He is always thorough and he explains everything.

Response from the owner:Dear Andy,
Thank you for the 5 Star Review and Rating for our Service Technician Caleb! We appreciate hearing that he was thorough and explained everything during your furnace preventative maintenance visit. thank you for being a loyal Comfort Club member in Vermillion, SD.

Mark Z.

Bill Kammerer was the service technician today. He inspected my heating system and provided information on humidity setting and CO2 detectors.
Bill was very friendly, courteous, and insured work area was cleaned up when he left the job.

Response from the owner:Dear Mark,
Thank you so much for the 5 Star Rating and Review and for being a valued Comfort Club member! We’re glad to hear Bill took great care of your heating system and took the time to explain humidity settings and CO detectors—those details make a big difference in home comfort and safety. We’ll be sure to pass along your kind words about his friendliness and cleanliness. We truly appreciate your trust in Kalins and look forward to continuing to take care of your home year after year in Sgt. Bluff, IA.

Dan K.

Draven was great to work with! He stayed late to get the repair completed, explained what was wrong and what he was going to do and did it all happily and professionally. We’re going to request him as our technician going forward as often as possible.

Response from the owner:Dear Dan,
Thank you for the 5 Star Rating and Review! We’re so glad to hear Draven went above and beyond to get your repair completed and took the time to clearly explain everything along the way. His professionalism, positive attitude, and commitment to doing the job right are exactly what we strive for. We’ll absolutely share your kind words with him—and we’ll do our best to have Draven back out whenever you request him. We truly appreciate your trust in Kalins in Irene, SD.

Kevin C.

Ken Ransom & Danny Alvarez braved the icy roads to install a new HVAC SYSTEM for our house today. Both technicians were very professional! Laying down floor protectors All through the house and wore shoe coverings! The installation looks amazing! We are very pleased with the results! Everything was spotless when finished. Thank you!!!

Response from the owner:Dear Kevin,
Thank you so much for taking the time to share this great review! We’re thrilled to hear that Ken and Danny took such great care of your home during your new HVAC system installation—even while braving icy road conditions.

Protecting your home, working cleanly, and delivering professional, high-quality installation is exactly what we strive for, and we’re glad it showed from start to finish. We’ll be sure to pass along your kind words to Ken and Danny.

Thank you for trusting Kalins Indoor Comfort with your home in Le Mars, IA—we hope you enjoy the comfort for many years to come!

mollie A.

Chris and his partner did an excellent job installing my new system. They we're friendly, knowledgeable, and even good with my pets. They clearly had fun and enjoy their job while allowing me to work from home uninterrupted.

Response from the owner:Dear Mollie,
Thank you for the great review! We’re so glad to hear that Chris and Brodee delivered an excellent installation experience and made the process smooth and stress-free for you. Being friendly, knowledgeable, respectful of your time—and even winning over pets—are all things we take pride in.

We love hearing that they could get the job done while allowing you to work from home uninterrupted. We’ll be sure to share your kind words with the team. Thank you for choosing Kalins Indoor Comfort for your furnace and AC system installation in McCook Lake, SD.

Rick J.

Nick McCabe with Kalins did an excellent job installing my new Lennox Heat Pump. He's very professional and knowledgeable with the product. I've always been a Kalins fan and always will be. Thanks Bruce.

Response from the owner:Dear Rick,
Thank you so much for the kind words! We’re thrilled to hear that Nick did an excellent job installing your new Lennox heat pump. His professionalism and product knowledge are exactly what we expect from our team, and we’re glad that showed throughout your installation.

We truly appreciate your long-time trust and loyalty to Kalins Indoor Comfort—that means more to us than anything. Thank you for being a Kalins fan, and please don’t hesitate to reach out if you ever need us in the future in Homer, NE.