Water Heaters 101: A Comprehensive Guide

February 2024 By: Josh Walejewski Read Time: 3 Minutes Amid the hustle and bustle of our fast-paced, modern lives, there are many household commodities we take for granted. Those household appliances we couldn’t imagine living without but never cross our... Read More

Sub-Zero Solutions: Tips to Ease Your Furnace’s Workload

January 2024 By: Josh Walejewski Read Time: 3 Minutes We all know Wisconsin winters can get pretty cold. How cold you ask? According to the Milwaukee Journal Sentinel, the lowest recorded temperature in Wisconsin was -55°F in Couderay on Feb.... Read More

Winter Woes: Window Condensation

December 2023 By: Josh Walejewski Read Time: 3 Minutes Why does condensation form on windows during the winter months? Have you ever woken up on a brisk winter morning to frost-covered windows? While not every home may experience this phenomenon... Read More

HVAC: Unlocking Your Best Sleep

November 2023 By: Josh Walejewski Read Time: 3-4 Minutes Did you know November is recognized as National Sleep Comfort Month? Neither did I! But it’s the perfect opportunity to take a deep dive into how homeowners can leverage their HVAC... Read More

Feel the Love 2023

October 2023 Read Time: 1-2 Minutes About Lennox Feel the Love™ Lennox’s Feel the Love™ is a remarkable program that provides Lennox dealers like Kettle Moraine Heating & Air Conditioning an opportunity to give back to deserving individuals and families... Read More

Slaying Energy Vampires: A Hunt for Savings

October 2023 By: Josh Walejewski Read Time: 3-4 Minutes Homeowners beware, for in the darkest corners of your sanctuary lurks a sinister presence, ready to drain your energy and haunt your electricity bill. These nefarious energy parasites, also known as... Read More

Cultivating Comfort: Annual HVAC Maintenance

September 2023 By: Josh Walejewski Read Time: 2-3 Minutes Why do our heating and cooling systems need annual maintenance? Much like a well-tended garden that flourishes with regular care and attention, annual maintenance for heating and cooling systems nurtures their... Read More

Mitsubishi’s intelli-HEAT Dual Fuel System: The Albert Einstein of HVAC Systems

August 2023 By: Josh Walejewski Read Time: 3-4 Minutes If you’ve been in the market for HVAC services lately, it’s likely that you’ve come across the growing buzz surrounding “heat pumps”. With initiatives such as the Inflation Reduction Act (IRA)... Read More

HVAC: The Essential Guide for New or Soon-To-Be Homeowners

July 2023 By: Josh Walejewski Read Time: 4-5 Minutes Whether you’re currently in the market for a new home or have recently become a homeowner, moving into a new home can be an exciting yet overwhelming experience. Amidst the countless... Read More

Repair or Replace? What to Do When Your AC Breaks

June 2023 By: Josh Walejewski Read Time: 3 Minutes Should you repair or replace your AC? Deciding between repairing and replacing your air conditioner is challenging for any homeowner. With the scorching summer heat just around the corner, it’s essential... Read More

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Google Rating

4.9

Based on 2453 reviews

Kettle Moraine Heating & Air Conditioning, LLC

4.9

review us on See all reviews

Joan Leifel

1732227542

Very Thorough and patient with customer questions

Ruth Cole

1732218669

Thanks a bunch!

Brian Hammersmith

1732216805

Good work, skilled technicians, everything done well and on time. Jacob is personable and knows his stuff, takes the time to explain what's happening. Very well done. I highly recommend Kettle Moraine Heating and AC. They also do electrical and plumbing, will be my first call when needed.

Ellen Schuardt

1732208743

Patrick, our service tech has been here multiple times. He is contentious and hard working. He is also very personable. I would highly recommend Patrick and Kettle Moraine.

Bob Radojevich

1732208153

Great promt service

Christopher Leutermann

1732207473

Amazing service. Very personable

Eastwood Manager

1732205684

Joel came in and solved our ongoing electrical problem in only three hours. Very grateful for him as no one else had any idea what the dilemma was in this much older building.

David Gennrich

1732139462

Arrived on time, solved the plumbing problem efficiently and completed in less time than I expected it to take. Well done.

Jan Weyer

1732136863

We have total confidence in dealing with Bill. He is so knowledgeable and answers any questions we have with ease. Love his sense of humor. He's a keeper in our opinion.

Michael Garber

1732118472

Robert Schaefer

1732059708

Carl Lock

1732055485

Dylan Rohde was our service technician on November 19th for a furnace tune up. He was friendly, courteous and professional, arriving on time. Dylan explained his concerns to us and made several recommendations for us to consider. We have been very satisfied with our experience with Kettle Moraine Heating and Air Conditioning for many years. Thank you Dylan!

Jamee Glenn

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Dave Greenwell

1732052951

Karen Roberts

1732049184

Very courteous and professional installer s. Very happy with the installation.

David Griffith

1732042566

Always great service

Ann Hansen

1732034042

The technician was early! Which was helpful. Spent a lot of time and was very polite.

Timothy White

1731982434

Jamie Del Gaudio

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Roger Haab

1731975987

Arrived on time. Work thorough and completeCourteous. We have been extremely impressed with Kettle Moraine Heating and Air Conditioning over the years and have recommended them to our friends without reservation

Darlene Dewinter

1731974746

Cristie Emrath

1731970260

Kyle arrived promptly at noon, the earliestscheduled time for our a/c tune-ups. He introduced himself and immediately went to work. We found Kyle to be both completely professional and congenial while performing his duties ... deliberate and focused He's a very impressive young man! We are happy to request him to return to our residence for the equipment maintenance on our heating units as well.

Tammy Morgan

1731968009

Regan and Ryan did fantastic installing our new boiler. These men were knowledgeable and conscious of our home and surroundings. Regan explained all the work done including the new thermostats. We are very happy we chose Kettle Moraine for our heating system. We will highly recommend them to our family and friends and look forward to working with them in the future.

Kevin Fries

1731967152

Easy to talk to about estimate and what it entails. Very prompt and direct to work when they arrived. Answered any general questions we had and gave recommendations to better maintain our mechanicals for the future. Ngl default review text above matched my thoughts

James Gugg

1731956104

Very good job. Kept everything clean and cleaned up after he was finished. Quality water heater and quality workmanship. Thank you Cory and Kettle Moraine Plumbing.

Kerry Bruce

1731953261

Jacob Johnson service my furnace earlier this month & did a great job. He was polite, professional & knowledgeable.

Todd Schantz

1731952552

Very reasonable, straightforward business experience which is exactly what you want when dealing with Heating and AC. They arrived on time and did a good efficient job.

Tina Guillama

1731890237

Allison Dishaw

1731858178

Dylan arrived on time and did a thorough inspection of our furnace. He did find an issue and took the time to explain the issue as well as the options to resolve. 100% great customer service!

Kim Schraufnagel

1731813367

Alex Lintner

1731805265

Very polite and professional. Everyone involved from the free in-home consultation, the installation crew, office staff, etc were very helpful. The entire process from start to finish was smooth and stress-free.

jay macchitelli

1731773712

Perfect job thanks

Claudia OBrien

1731773110

Jeremy was very knowledgeable and friendly. Very prompt.

Mike Bero

1731771668

Andy

1731729987

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.

Rudy Baumann

1731727388

Mik Erwin

1731705438

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

1731702349

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!!

Jeffrey Hinz

1731693381

Terrance Brooks

1731684448

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

Bill Kingsley

1731678627

Continued great service!

Kevin Cecka

1731677076

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

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

1731632215

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

1731631184

He was very thorough. Did a great job.

sarah lewis

1731629908

Jennifer Warford

1731622336

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

1731612278

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

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.