Christine Jahncke
22:09 07 Aug 25
Tristan did an excellent job diagnosing the worn out part in my air conditioner and went above and beyond to get the part replaced the same day. Thanks Tristan for all your hard work!
James O'Laughlin
21:46 07 Aug 25
Very professional, always a pleasure working with their team.
Paul DeYoung
15:29 06 Aug 25
Chip Losee
18:47 04 Aug 25
Very satisfied, Tristan was awesome. Very professional and knowledgeable.
Steven P
15:28 04 Aug 25
Stephanie Chapman
05:40 03 Aug 25
Chris Carne was fabulous. He was very professional and knowledgable. He knew the product and taught us about new products as well. I would highly recommend Chris.Stephanie
Brian Riddle
01:45 02 Aug 25
Quickly found a time that fit my schedule. Received a call to see if the tech could come early. Very polite and professional. Found and fixed the air conditioner very quickly.
Jennifer Hirsch
14:14 31 Jul 25
Josh did a great job. He services our radiant floor
Elizabeth Noorlander
20:47 30 Jul 25
I’ve used Interstate for years. The whole team is super helpful and professional, prices are the best in the area. Dylan fixed the issue quickly and explained what was happening. I had to leave to pick up my son, and Dylan even took the time to ask if his car was ok.
Sheri McNabb
19:45 30 Jul 25
Very professional, courteous and efficient
Adam Schlichting
18:35 30 Jul 25
lana kuenzi
16:57 29 Jul 25
Showed up on time, very professional, courteous & clean
kim mangarelli
18:19 25 Jul 25
Pat Miller
17:58 25 Jul 25
Karen Barnes
20:43 24 Jul 25
Josh was able to answer a reoccurring message that I have received multiple times on my thermostat.
Fred Kinateder
19:45 24 Jul 25
Josh did a great job. I was very satisfied with the service. He also gave me some suggestions as to my options for repair or replacement.
Scott Morey
17:15 24 Jul 25
Quick response with a fast diagnosis and repair for my HVAC system.
Kristine Cherek
11:02 24 Jul 25
Interstate Heating is exceptional. Our technician Chris was very professional, proficient, and friendly. I highly recommend!
Jerry Kienast
18:29 23 Jul 25
Josh was an honest tech and did a great job! I would highly recommend.
John Krainer
17:43 23 Jul 25
Very professional and courteous.
Sa Gt
16:20 23 Jul 25
Our technician Chris was extremely knowledgeable and courteous!!!
Dan Mishich
14:26 23 Jul 25
We had the pleasure of working with Jake on short notice while preparing to sell our home. He quickly familiarized himself with our in-floor heating system, reviewed the setup for accuracy, and performed thorough thermal scans of the floor. His deep knowledge and clear communication helped put our buyers at ease and addressed all of their questions. While no repairs or service were ultimately needed, I wouldn’t hesitate to recommend Jake—his expertise in these complex systems is rare and incredibly valuable.
Robert Schmidt
01:14 22 Jul 25
debbie grannan
23:52 21 Jul 25
Chris was very friendly and knowledgeable, looked at the thermostat readings and knew right away what the problem was.Only took about 15 minutes
Jeff Katzer
21:54 21 Jul 25
The technician was on time and very helpful. Diagnosed and repaired issue within an hour. Will recommend company to others.
Jonathan Dake
21:08 21 Jul 25
Michael Ford
14:32 21 Jul 25
Chris is helpful. Explains his findings in detail and is also courteous. We give him 5 stars!
Lisa Cretens
20:03 18 Jul 25
Our experience with interstate heating is always top notch. Our tech was very informative.
Gregory Harris
19:42 18 Jul 25
My issue was a simple fix. The evaporator coil drain elbow was plugged causing the water tray to over flow and cause water to leak on top of the furnace and floor. What was exceptional about the service was the technician (Eric) took the time and showed me how to address the issue in the future on my own. He even took the time to take the evaporator panel off (3 screws) and explain how the system works and where the tray was. Eric’s care in teaching me was outstanding. Great customer service by Eric!
rick worzala
23:12 17 Jul 25
Amanda Hetzel
13:47 17 Jul 25
Amazing service! Technician was very polite and knowledgeable! Couldn't ask for better service!
The games god Games among you
13:38 17 Jul 25
New AC unit and furnace installed by a great crew.
Cindy Macaluso
20:44 16 Jul 25
Interstate came to the rescue almost immediately. Hopefully our house will be completely restored to a comfortable temperature by this evening. Dylan was very nice and answered all of our questions. Highly recommend this company. The woman that answered my initial call was very nice and helpful.
Pamela Probst
13:34 16 Jul 25
Eric was friendly, efficient, and professional. He explained what needed to be fixed and why while completing our check-up maintenance on our heating/cooling systems.
Francisco Quiroz
12:43 16 Jul 25
Erik did a great work with our AC Unit. He took the time to do what was a difficult job and our unit was like new when he finished. Thank you
Matthew Mascal
20:35 15 Jul 25
Lauren Roberts
19:56 15 Jul 25
Tristan was an excellent serviceman. The customer service at the office was always helpful, kind and polite. Highly recommend!
John Nosbisch
20:45 12 Jul 25
Eric Osterman was recently to our home for our annual A/C system preventative maintenance. He was very professional, thorough and answered my questions in a manner I found easy to understand. The good news was Eric discovered and quickly replaced a key component in the outside compressor that would have eventually failed preventing the home from being cooled. That is the value of their preventative maintenance program. Thanks Eric!!!
Randy Will
16:40 11 Jul 25
Discovered my old thermostat control was inoperative. Called Interstate & got immediate response to my problem, had a tech at my home within 2.5 hours - on a Friday afternoon!!Excellent service & attitude from Jennifer, the dispatcher.Eric, the service tech, was considerate, knowledgeable, professional & patient.
David Smith
03:35 11 Jul 25
Great
Linda Froehlich
18:46 10 Jul 25
Josh did an A plus job. He was considerate & I have gratitude that he went & got the parts & finished the repair instead of coming back the next day. Excellent !
Dr Kory W.
17:54 10 Jul 25
Interstate Heating and my tech Josh, were awesome! I was scheduled for service right away when I called. Josh came to my house, diagnosed the problem and began to fix things. We had to order a part, but the part came in right when he said and he called back to schedule a return appt at my convenience. Interstate has very professional team members from the office to the field and their fees are fair. I would highly recommend 🙂
Docs Inn
16:15 10 Jul 25
Jitendra Baruah
16:12 10 Jul 25
Everything was excellent.Eric was a very sincere and able technichal person. He did a very good job.
Jane Johnson
22:31 09 Jul 25
Very quick response and helpful technician. I always try to get some extra information about my HVC system and he answered all my questions.
Lora Gierahn
16:13 09 Jul 25
Mark Jochman
18:22 08 Jul 25
Excellent service and very professional!
Robert Sarsfield
14:19 08 Jul 25
Fast , courteous, service. Dylan was very knowledgeable and my repair was completed quickly. My initial call was answered by a real person and all the information I was given was accurate. I was told someone would be there in the afternoon and Dylan notified me that he was on the way early in the afternoon. I would recommend them to all of my friends
mary rupnow
20:01 07 Jul 25
Tristan was wonderful. He came and made sure my air conditioning was fixed and running correctly. He was personable. Give him a raise
Grant Thekan
12:40 04 Jul 25
Outstanding service and expertise. Prompt, knowledgeable and helpful to diagnose and provide options on the spot.
Jeff Peterson
13:56 03 Jul 25
Josh is AMAZING! Great communication of what the issue is, and quickly shares basic upkeep suggestions. This is the second time we have had Josh as our Service person and I will always ask for him moving forward. I used to call him 5 Star Josh, but his new name is 10 Star Josh!!!
Michael Todd
20:43 02 Jul 25
July 2nd and no air conditioning! Eric just left and my unit is running again! Interstate Heating Company is an excellent provider of both service and replacement of heating and air conditioning equipment. I've used this company at my home and commercial building on a number of occasions. They put a new furnace in my duplex this past winter. Always top notch people, timely service and reasonable pricing. I recommended Interstate to a friend whose commercial building lost heat while he was out of state. Interstate came right out and got his heat back on. That's a great company!Mike Todd Okauchee LakeMilwaukee Lawn Sprinkler Corp
Jyotsna Bharatkumar
19:53 02 Jul 25
The maintenance and repairs were done and reasonable explanation as to the parts failure. Satisfactory service
Dan N
17:13 02 Jul 25
Quick diagnosis and repair
Tom Sisk
16:38 02 Jul 25
Dylan was efficient and fixed the issue.
Pam Johnson
17:48 01 Jul 25
I was able to get an Interstate AC tech. to my home quickly on a hot summer today to repair my AC system that had broken down. The technician appears to have taken care of problem, was prompt and courteous.
Dori Walk
01:24 01 Jul 25
Tristan from Interstate Heating and Cooling was outstanding!
Eric Grismer
14:10 30 Jun 25
Technician was here on time with preceding call to advise on way. Went through all checks. Found failing compressor motor Cap out of spec. He advised of failure implications and costs. Had part and replaced. Advised all other functions were in spec. Unit was a Carrier system put in 2006. 19 years old and looking good.
Anna Wipperfurth
20:24 27 Jun 25
Dylan was great! Fixed the AC in less than 30 minutes and didn’t try to upsell me beyond what I needed. Would absolutely recommend!
Suchart Thammahong
16:56 27 Jun 25
Great customer service and very punctual. I would recommend this company again.
MARTIN THOMAS
15:10 27 Jun 25
Great guy!!
Zacheaus Donahue
15:38 26 Jun 25
Karl Fritchen
23:08 25 Jun 25
We came back from out of town last night and our house was over 80 degrees. Jake came out this afternoon and changed the capacitor and recharged the system and we are back enjoying the cool home tonight! Jake was very courteous and explained everything to us very clearly. He was a pleasure to work with and the staff at the office was awesome squeezing us in today! Thanks!!!
Cathleen Esselstyn
20:39 25 Jun 25
My air conditioner broke during this extremely hot spell. Interstate came out in a timely manner. Dylan was on time, polite, knowledgable & explained services and options, and fixed the problem. I've been with Interstate Heating and Cooling for 28 years.
Marnie Omer
19:21 25 Jun 25
Chris was excellent. He was efficient and very tidy. Thank you Chris for getting our AC running effectively again!
Larry Brand
18:17 25 Jun 25
Jake is awesome to work with. He is very positive, persistent and methodical.
Scott Larson
19:54 24 Jun 25
6/24/25 ..The technician's/Pauly Scott, were excellent on the installation of the air-conditioner and explaining everything to me and assisting me with the control unit/Nest system. I'd recommend using Interstate since every time I've had technician's come to my home they have been excellent.Scott Larson
John Schwitz
16:02 24 Jun 25
Technician was very friendly and knowledgeable. Was very thorough and explained everything he was doing and showed me the results from all the tests he had done. I would recommend Interstate Heating to anyone needing service.
Mary W
14:03 24 Jun 25
Interstate Heating and Eric get 5 stars from us. My elderly mother's central air went out just before a heat wave. Eric was able to get a quote written same day, I signed it on a Saturday and by Monday morning the crew was installing the unit. 8 hours later the house was back to 72 degrees. The heat wave rages on and we already have the new unit. Great service and great crew. We are very pleased with the work done and recommend anyone work with Eric and Interstate Heating.
E.W.
12:39 24 Jun 25
Josh is the man! Our house is cool again. Couldn’t be happier with our service. Thank you!
Trisha Stahl
18:31 23 Jun 25
Jake was professional, kind and intelligent. Air conditioning went out during the hottest day and they fit us in same day. Had everything running again in less than a hour.
rick Palmtag
18:01 23 Jun 25
william Liebl
14:40 23 Jun 25
Michael Frazier
13:33 23 Jun 25
Denise Wallace
22:07 20 Jun 25
Tristan was my service technician and he did a wonderful job. I have the 2 year/4 inspection service package. Tristan was very professional and personable and explained everything that needed to be done to keep my somewhat old air conditioner running for the season. I highly recommend Interstate Heating Co., Inc.
Beatriz Cirera
14:10 20 Jun 25
RDR .Lepkowski
18:09 19 Jun 25
The service tech was very informative and thorough when servicing the air conditioner. Would recommend interstate for an install or service.
Douglas Jacobson
20:42 18 Jun 25
Scott Schumann
14:39 18 Jun 25
Cindi Vetter
15:09 17 Jun 25
Such friendly, competent, and hard working gentlemen! I’m so glad someone referred me to them. Will continue to use them for sure!
Gary Puestow
21:30 13 Jun 25
Patti Sprague
21:00 13 Jun 25
Eric was professional and he was quick and honest. Seeing that my furnace is 38 years old I'm sure it's time for a new one and that's exactly what he told me.
Rachel Detert
20:57 13 Jun 25
Great service, very professional. Maintenance program has excellent value and has found issues before they become larger problems and promptly fixed.
ecsdigital2112
15:51 13 Jun 25
Service guys were very helpful. The answered all my questions and explained every process that pertained to my situation.
jan mueller
17:55 12 Jun 25
Erich did a great job. Explained everything very conscientious, clean and efficient. Very knowledgeable about the product. Great job.
Robert Pierce
14:50 11 Jun 25
The kind of person I would like on my team Jash
David Carpenter
17:11 09 Jun 25
Josh does a great job. Listens to concerns and addresses them in a systematic manner. He has serviced our HVAC more than once and would welcome him back.
Dean Oswald
22:48 06 Jun 25
Had equipment needed and did a thorough inspection and was very courteous.
Mike (Mike 'Nerds' Neldner)
21:02 05 Jun 25
First time customer, very impressed with the level of service, knowledge, and professionalism of Interstate's technicians. From the first phone call to get scheduled, and through the service call at our home, they were helpful, informative, and helped me get the feel for what we had for options on resolving our hvac needs.I'll be a returning customer, that's for certain. Keep up the great work!
Deborah Kravit
18:58 05 Jun 25
Very professional and knowledgeable technicians
Michael Honisch
21:16 04 Jun 25
Great job by all technicians we've met over the past year, after leaving our previous recently sold VERY long-term HVAC contractor
Holly Nelson
14:15 04 Jun 25
Interstate does a great job servicing all our needs. Highly recommend.
Raymond Riemersma
18:44 30 May 25
GreatHe did a good job
“We are very satisfied with the repair. Chris was very friendly and knowledgeable.”
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- David F.
“Dylan provided excellent service early on a Saturday morning. On the initial phone call, he was clear in providing a perspective on costs associated with an emergency service call which I very much appreciated.. He showed up promptly and he quickly diagnosed we had a faulty part. After a few minutes, the part was replaced and cool air was flowing. Dylan was pleasant, professional, and competent in provide excellent service for us. Thanks!”
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- Jim K.
“Josh is the best. No one works harder. Our house is old and there have been multiple add-on HVAC units along the way. It is complicated and we've had numerous issues along the way. He is great about informing us what is going on and working to resolve any problem.”
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- Bryan H.
“Jake was out early and got our unit repaired on one of the hottest days of the year. He recommended a replacement unit as ours is over 30 years old. He'll be back to replace.”
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- Mike B.
“Eric does the semi-annual maintenance on our furnace. He is always on time and gets the job done professionally and thoroughly. He’s always happy to explain what he’s done on each visit and give us tips on what we need to do to help our furnace run at maximum efficiency.
Eric brings years of experience to the job and it shows in the high quality of his work.”
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- Sheila B.
“Josh did an awesome job finding out what the problem was with our equipment. Very thorough when trying to find out what was wrong with our system.
Ordered the parts and repaired the system. Very knowledgeable, Respectful and professional. Answered all of my questions and gave me some helpful hints regarding our units. I was very pleased with Josh and Jake. I would definitely request these technicians for future work.”
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- Barb E.
“The two service technician, Tristan and Besto performed a seasonal service check-out before summer usage. They were excellent and provided me key information about my air-condition unit, filter, and brought to my attention the two vents in the storage room that we were not even aware of since we just moved into the home in late December. I'll be sure to use them again if anything would go wrong and/or for regular service maintenance and request the same two technicians.”
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- Scott C.
“Chris was on time and efficient, found the problem quickly and got the heat back on.”
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- Kevin A.
“Jason arrived early, worked efficiently. Replaced old central AC with new two stage system. Very professional and courteous.”
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- Michael C.
“Great overall experience. Appreciated the text reminders and notice that tech was on his way. Chris took the time to explain the issue in detail.”
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- Cheryl K.