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Whether it’s keeping your home or business at the perfect temperature, ensuring the lights stay on, or taking care of your plumbing, we’re here for all your repair, replacement, and maintenance needs.

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• Service & Support 24/7 | 365 Days

• Certified, Licensed & Insured Technicians

• 3rd Generation, Family-Owned Company

• 5-Star Customer Service

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Heating | Cooling

Electric | Plumbing

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About Kettle Moraine Heating

For over 30 years, Kettle Moraine Heating & Air Conditioning LLC has been Southeastern Wisconsin’s go-to provider for heating, air conditioning, electrical, plumbing, and radon services.

As a third-generation family-owned business, we believe every home and business deserves a healthy, comfortable indoor environment.

Our comprehensive services are tailored to your specific needs, backed by 5-star service and a commitment to excellence.

We handle complex installations and repairs with ease, offering free in-home estimates, responsive service, and quality repairs.

As a certified dealer, we provide high-quality equipment from trusted brands like Lennox, Mitsubishi, Carrier, Generac, AprilAire, Bradford White, Rinnai, and Honeywell. We also service nearly all other brands.

For all your home comfort needs, call us today!

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What Our Customers Say

Excellent

Kettle Moraine Heating & Air Conditioning, LLC

4.9

Based on 2428 reviews

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Andy

This is the first time using Kettle Moraine Heating & Air Conditioning to service my furnace. I will use them again. JJ came into my home ready to put on his clean booties. He talked me through everything he was doing. He was courteous and respectful.I will call them next spring to tune up my air conditioner.

jay macchitelli

Perfect job thanks

Mik Erwin

Pete and Tucker were right on time, left my basement clean and answered all my questions till there were no more to ask. Very patient.Job budding from Kettle Moraine is the reason we went with KM. Scott gave me a Furnace 101 class so I knew what I was buying and spoke highly of the team of installers at KM.So glad we went with them! Well worth the value!

Molly Termini

Had Kettle Moraine Heating and Air Conditioning out to my townhouse for a furnace check before winter. Also just to make sure it is in working condition because I know it’s old. Brent did an amazing job! He never made me feel pressured to buy a new furnace but did tell me it’s past its prime. He gave me prices for new furnace and AC and we scheduled to have them come out beginning of Dec! Definitely glad I picked them!!

Terrance Brooks

Dustin arrived on time and diagnosed our problem. Good man to work with. Prompt, courteous and competent.

Bill Kingsley

Continued great service!

Kevin Cecka

Arrived on time and went over everything that would be done. Laid down floor coverings to reduce any mess. Once installation was complete, they went over the operation of the system. Very satisfied with Craig and the rest of the technicians.

Lauri

Great effective and efficient service. Jacob was awesome! Knowledgeable, informative, respectful of my time and resources as the homeowner. I hope his employer gives him a raise.

Bill Lockwood

Jim, was very courteous, professional and explained everythingto me. Thank you

Kathi Shepardson

Kyle Youngman performed a furnace tuneup at our Wauwatosa home on 11/14/24; it was our first experience with K M Hvac. Kyle was very knowledgeable, polite, and never hesitated to answer any of the tech questions I threw at him, which were many. Most of all he was personable, and I felt comfortable having him in our home. Jack S

Mike Ganos

He was very thorough. Did a great job.

Jennifer Warford

Very professional company. Great follow up and communication. Reliable. They did an amazing job replacing our furnace and we would highly recommend them. We were very impressed! Thank you for the great service, price and job that you did!

m c

I am working on a remodeling project in which I needed my cold air returns rerouted to different walls so that I can remove a pantry. After receiving an estimate, I scheduled an appointment to have the job done. Kevin and Mike from Kettle Moraine Heating and Air came out early in the morning and completed a job quickly and efficiently. They finished faster than I expected and didn’t leave a mess for me to clean up. They were polite and took the time to address any concerns that I had. After inspecting the job that they did, I saw that they completed it in a fashion that shows their years of experience and their level of expertise. As a homeowner, I couldn’t expect more.

Timothy Schenk

Neat, clean, thorough work as always. Reasonable repair. If you have heating and cooling needs do yourself a favor give these guys a call.

Rebecca Wissell

Quick response. Clear communication. Friendly. Easy to schedule an appointment for a quote.

Ellen Hansen

Great pre-communication of arrival time, and during the cleaning, personable which put me at ease, was able to answer questions. I would highly recommend Kettle Moraine Heating and Air Conditioning, ask for Patrick Gorman as your technician.

Lee Turner

Great job Kettle Moraine Heating & A/C! I love my garage heater.

Barbara Yahr

An excellent service call for a check-up on my furnace! Paul explained things as he was doing them & recommended maintainance repairs with time-line estimates. I will definately be making an appointment with them, to have my AC checked before summer and furnace in a year, too!

mary kay hammes

Jacob was very pleasant and very professional. He let me know what he was doing and why and answered all my questions. He also wore shoe covers and was very careful to make sure he treated my home with great care. I appreciate that.He did a great job.

Derek

10/10 for my overall experience with Kettle Moraine Hearing and Air Conditioning. Everyone was professional, knowledgeable and efficient. Thanks to the crew installing this Renzor garage heater, I will no longer curse the frigid temps while working in the garage.

Karyn Brandt

Matt W from Kettle Moraine was here this morning for my furnace tune up. My husband passed away this past summer and always handled these things.Matt answered all my questions and showed me a few things I needed to know to maintain my furnace. Thank you so much for your kindness and patience.Karyn B

Michael Brown

The installation went well. The guys did very nice work.

Russ trimble

He did a great job evaluating the situation!

Kim Owens

Kettle Moraine Heating and Air Conditioning did another great job installing my new water heater. Corey was very professional, efficient, honest, and patient when explaining all the details of this installation. Even when we discovered my current water heater tray was badly cracked, Brad (Corey's help) quickly went to retrieve a brand new one. No surprises, which is ALWAYS greatly appreciated. KMHAC previously installed a new furnace and AC - now this water heater - I've got a Kettle Moraine home now! I sincerely appreciate the ease of working with all the people at Kettle Moraine Heating & Air Conditioning.

Niko Simone

Great job by Kettlemoraine Heating and cooling!! They were professional, did a quick bit complete install and explained everything along the way!! Highly recommend!

Samuel Bruskiewicz

Quick install and did a very nice clean up and everything looks great!!

Michael Teas

Matt was on time and he did a thorough job of servicing the furnace. He showed me photos that he had taken and including all instrument readings. Very impressive! I will be requesting Matt on all future service calls.

Tylor Clark

Patrick was very professional and polite. I have two small kids running around and he answered all of their questions while he was doing the tune up. He was very courteous of the house. Have always used Kettle Moraine and will definitely continue to do so for any future needs that we may have.

Paul Strzyzewski

Luke did a great job and gave me great service.

Mart Mart

Brian was great today. Pete and Tucker were great last time they came! They installed a reliable and super efficient A/C for us. They took care with our floors and cleaned up afterwards. They answered all our questions and walked us through what they did. Highly recommend Kettle Moraine Heating and Air Conditioning.

fred haskins

I’ve been a long time customer of Kettle Moraine Heating & Air Conditioning but this is the first time I used their electrician services. As always, they continue to exceed my expectations. Joseph was not only professional and thorough but he also provided creative solutions for my particular household needs. I strongly recommend both Kettle Moraine Heating & Air Conditioning and Joseph for all of your household needs.

Lloyd McIndoe

Just plain awesome 👏

Catherine Switalski

The tech is very knowledgeable. He explained what he was doing, how it works with the furnace, and where item was in it's lifecycle. He was able to provide estimates on site which helps in the decision process to replace the furnace. He explained what they would do during the replacement. I felt very comfortable with the tech and look forward to working with him on the journey to upgrade my furnace.

mike machura

Service with Kettle Moraine is top notch. Patrick G. was great, took the time to explain some concerns I had and offer suggestions. They are always timely, let you know when they are on their way, and very efficient. Always recommend Kettle Moraine to anyone who will listen.

Helmut Adam

Efficient, professional and timely

Bev Schilz

Greg did a thorough job of checking out my furnace. He explained things that I had questions about. I appreciated his time and expertise.

Lynda Vice

Great service and very knowledgeable

Janet Dunst

I always request Bill B, whom I find to be professional, helpful, courteous, and knowledgeable in his field. I consider him to be honest and trustworthy. When he brought the leaking furnace blower unit to my attention, I knew it was an expensive, but true issue. I wanted it fixed immediately before it failed me at an inconvenient time. Bill B didn’t have his own truck; therefore, he didn’t have a replacement. Bill B excused himself & returned to work. He returned within an hour with a newer furnace blower model and completed the job which made me a happy customer!

ed giese

The Team at Kettle Moraine HVAC were great! Wyatt, Miguel and Scott were super professional and respectful during the installation and Tim did a great job informing me of all my options and ultimately sealed the deal by partnering with Costco. I would recommend them without hesitation for any of your HVAC needs!

Chris Schweitzer

Jacob was the technician for the peace of mind winter tuneup.He explained all the work performed, replaced heat exchangerHe was courteous and took time to ensure I understood the work performed.A job well done!Chris S.

Mary C

Brian was on time, courteous, kind and experienced. He talked to me with respect and gave me his full attention when explaining the system. I feel I’m in good hands with Kettle Moraine Heating.

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Google Rating

4.9

Based on 2428 reviews

Kettle Moraine Heating & Air Conditioning, LLC

4.9

review us on See all reviews

Andy

1731729987

Rudy Baumann

1731727388

jay macchitelli

1731716903

Perfect job thanks

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1731684448

Dustin arrived on time and diagnosed our problem. Good man to work with. Prompt, courteous and competent.

Bill Kingsley

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Continued great service!

Kevin Cecka

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Lauri

1731673667

Great effective and efficient service. Jacob was awesome! Knowledgeable, informative, respectful of my time and resources as the homeowner. I hope his employer gives him a raise.

Bill Lockwood

1731636486

Jim, was very courteous, professional and explained everythingto me. Thank you

Kathi Shepardson

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Mike Ganos

1731631184

He was very thorough. Did a great job.

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1731606591

Neat, clean, thorough work as always. Reasonable repair. If you have heating and cooling needs do yourself a favor give these guys a call.

Rebecca Wissell

1731603494

Quick response. Clear communication. Friendly. Easy to schedule an appointment for a quote.

Ellen Hansen

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Lee Turner

1731541940

Great job Kettle Moraine Heating & A/C! I love my garage heater.

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1731448235

The installation went well. The guys did very nice work.

Russ trimble

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He did a great job evaluating the situation!

Kim Owens

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Niko Simone

1731418628

Great job by Kettlemoraine Heating and cooling!! They were professional, did a quick bit complete install and explained everything along the way!! Highly recommend!

Samuel Bruskiewicz

1731415741

Quick install and did a very nice clean up and everything looks great!!

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1731284562

Luke did a great job and gave me great service.

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Just plain awesome 👏

Catherine Switalski

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mike machura

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Helmut Adam

1731109302

Efficient, professional and timely

Bev Schilz

1731107149

Greg did a thorough job of checking out my furnace. He explained things that I had questions about. I appreciated his time and expertise.

Tim Weske

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Lynda Vice

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Great service and very knowledgeable

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1731092120

Brian was on time, courteous, kind and experienced. He talked to me with respect and gave me his full attention when explaining the system. I feel I’m in good hands with Kettle Moraine Heating.

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