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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.

Stephanie K.

Draven pace did awesome he went above and beyond and explained every step he was taking to make sure I understood everything going on very friendly and respectful.!!

Response from the owner:Dear Stephanie,
Thank you for the 5-star review! We’re so glad Draven was able to take great care of you during your no-cool call. When your AC isn’t working, fast, clear, and professional service makes all the difference—so it’s great to hear he walked you through everything and got you taken care of.

We appreciate you trusting Kalins with your home comfort, and we’re always here whenever you need us in Vermillion, SD.

Hannah H.

Kalins was quick to respond and find the issue we had with our AC unit. Jordan was helpful and friendly while conducting himself in a professional manner.

Response from the owner:Dear Hannah,
Thank you for the 5-star review! We’re glad we could respond quickly and get your AC issue figured out. When your cooling system isn’t working, fast and reliable service matters—so it’s great to hear Jordan delivered exactly that.

We’ll be sure to pass along your kind words to him. Thanks again for trusting Kalins with your home comfort—we’re always here when you need us!

tim L.

Jeff was a very customer oriented. Did a great job for us and explained everything well.

Response from the owner:Dear Tim,
Thank you for the 5-star review! We’re so glad to hear Jeff took great care of you. Replacing a thermostat may seem simple, but taking the time to explain how everything works and making sure you’re comfortable with your system makes all the difference.

We appreciate you trusting Kalins with your home comfort, and we’re always here whenever you need us!

Pam D.

Bill was here and did the maintenance on our furnace. Always kind and professional. Th am you! Haven’t had a bad experience with Kalins! All good!

Response from the owner:dear Pam,
Thank you for the 5-star review and for being a valued Comfort Club member! We’re so glad to hear Bill continues to take great care of you—his professionalism and kindness truly reflect what we strive for on every visit.

It means a lot to know you’ve consistently had great experiences with our team. We appreciate your continued trust in Kalins, and we’ll be here to keep your home comfortable year-round!

Kathy L.

Bill always makes sure everything is running good and informs us of future problems. Kalins has been maintaining our heating and air conditioning units for approximately the last 7 years. Highly recommend.

Response from the owner:Dear Kathy,
Thank you for the 5-star review and for being such a loyal Comfort Club member! We truly appreciate your trust in Kalins over the past 7 years—that means a lot to our entire team.

Bill does a great job not only making sure everything is running properly, but also helping you stay ahead of potential issues. That kind of proactive care is exactly what Comfort Club is all about.

Thanks again for your continued support and recommendation—we’re always here to keep your home comfortable year-round!

Douglas S.

Fernando did a very thourough job on our gas fireplace. The annual service contract seems to be a good and fair value!

Response from the owner:Dear Douglas,
Thank you for the 5-star review! We’re so glad to hear Fernando took great care of your gas fireplace—thorough service is exactly what we aim for every visit.

It’s great to hear you’re seeing the value in your annual service agreement, too. Keeping your fireplace maintained helps ensure safety, efficiency, and peace of mind all year long.

We appreciate you trusting Kalins with your home comfort and look forward to serving you again!

Taw F.

Bill was able to come out the same day I called and was able to diagnose my issue and was able to get my old equipment back up and running. He also took the time to help me schedule someone to come out and give me a quote on a new system.

Response from the owner:Dear Taw,
Thank you for the 5-star review! We’re so glad Bill was able to get your heat restored the same day—especially when dealing with older equipment, that kind of quick response can make all the difference.

We also appreciate you mentioning that he helped set up a quote for a new system. That’s exactly what we aim for—providing honest recommendations so you can plan ahead, avoid unexpected breakdowns, and improve your home’s comfort and efficiency.

If you decide to move forward, our team will make the process smooth from start to finish. And for ongoing peace of mind, our Comfort Club membership is a great way to stay ahead of repairs and keep your system running reliably year-round.

Thanks again for choosing Kalins Indoor Comfort—we’re always here when you need us!

vicky T.

Luke looked at the humidifier because it was too humid in the house. He did a great job communicating with us. He is very knowledgeable about heating and cooling systems. I was very impressed with him. He was very polite and had a great sense of humor.

Response from the owner:Dear Vicky,
Update: thank you for the 5-star review for our Service Technician Bill after your preventative maintenance visit. Thank you for being a valued member of our Comfort Club!

Crystal D.

Mason was very courteous and professional. Explained everything to me very well and answered all my questions. I really appreciate the care he took on this call.

Response from the owner:Dear Crystal,
Thank you for the 5-star review! We’re glad Mason was able to get your AC issue taken care of and walk you through everything clearly—that communication is especially important when managing a rental property.

We appreciate you trusting Kalins Indoor Comfort—we’re always here when you need us!

Julie K.

Bill did a great job servicing our furnace!

Response from the owner:Dear Julie,
Thank you for the 5-star review! We’re glad to hear Bill took great care of your furnace maintenance. Keeping your system running safely and efficiently is exactly what our team strives for every visit. We’ll be sure to pass along your kind words to Bill—he’ll really appreciate it!

If you ever need anything in the future, we’re always here to help.