Heating • Air Conditioning • Indoor Air Quality
Residential & Commercial Services
Heating • Air Conditioning • Indoor Air Quality


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"Brent & Collin did a great job firing up a boiler that wasn’t turned on for who knows how long! Very knowledgeable, answered every question and thoroughly explained every step in the process to me, as they were servicing/inspecting it!! Amazing customer service! Highly recommended!!!"
Levi - Luxemburg
"We returned home from a trip out of state and found the furnace not working. I called Ultimate Air, (after hours) to request service. Within ten minutes there on call service tech, Brandon, returned my call. I explained the issue and he had a good idea what was wrong. Within twenty minutes he was at our home to trouble shoot the problem. Although he did not the exact parts to repair the furnace, he went out of his way to take an old part and make the furnace work until the new parts were ordered, received, and installed. Brandon also told us that if the furnace failed during the the night to call him directly and he would bring over electric heaters to get us by. They ordered new parts and had them installed by 10:00 am the next morning. Ultimate Air went above and beyond to assist in any way possible to make sure we had heat. If I could, I would give Brandon and Ultimate Air ten stars.
Great service and a great job. Give them a call."
Jim - Luxemburg, WI
"Ultimate Air did a fantastic job installing out new Lennox Air Conditioner. Runs great… very low noise level… saw reduce energy bills also. The technicians were great. Paula, the Office Manager, was one of the best… explained everything to us. We will definitely be using them for all our heating & air conditioning needs in the future"
Jim & Chris - Green Bay, WI
"The quality of service from Ultimate Air is unbelievable! Paula is so nice, helpful and up front about everything. When the technicians came to our house, they were helpful in explaining the problem & solutions in an easy to understand manner. It is truly refreshing to find such great service! I happily refer my family and friends to them without hesitation."
Dr. Tom - DePere, WI
"The team of Ultimate Air does a great job from start to finish! When you call during normal business hours, you get to talk to Paula who is great at handling the details to make sure you are scheduled and knows just what to ask to pass along to the technicians. Even better, is that it doesn’t end at the phone call. I Have been fortunate enough to always have Brandon come onsite to do all my work. His customer service and attention to detail is amazing. Even when doing repair work, after he leaves you don’t’ even know someone was just there doing work, since any mess or garbage that is made leaves with him. I always recommend Jeff and his team"
Ryan - Sturgeon Bay, WI
"Ultimate Air is a FANTASTIC company to work with. My service call was a simple one today, but I found out a lot of information from it. As a small business owner, I know it’s important to make sure you’re doing everything right. This company nails it!! I called at 9:00 a.m. and I had someone here by 12:30 p.m. to diagnose my needs with unit. The technician Brent, is a PERFECT employee for any small business. He was extremely knowledgeable, thorough, quick and made sure I understood all my options. In the past, I had Ultimate Air replace my heat pump with a central air unit and they did perfect work at a fair price. I could have paid other companies more and would have received less guaranteed. I recommend this company HIGHLY"
Jason - New Franken, WI
"Had a great experience from start to finish with Ultimate Air, Paula helped us with everything we needed. Was very helpful & professional, I would recommend Ultimate Air to anyone in need."
Don & Tammy - Green Bay, WI
"The team at Ultimate Air has been fantastic to work with. To start off, Paula was a huge help in getting an appointment the next day after calling. Brent was our service technician and he had a great upbeat attitude and explained everything very simply for us to understand our options. Highly recommend this company and am thankful for the service from both Paula and Brent!!"
Melissa - Luxemburg, WI
"Had the crew at our home putting in a furnace yesterday. That's a big job, but the guys works quickly and efficiently. Brandon was very personable; he and Jared took the time to answer questions. Brent came toward the end of the day and explained the new thermostat. Overall, impressed with your team. So far heater is quiet and working well! Thanks Ultimate Air!"
Lisa - Luxemburg, WI
"Thank you Brent for the awesome job today! I learned a lot from you. Thank you Ultimate Air for being so fast to help!"
Billi Jo - Algoma, WI
"Absolutely, 110% YES!!!!! Great company. Very Responsive. Knowledgeable, polite and friendly, from first call to Brent walking in our door, on the same day. Will only be using Ultimate Air in the future."
Julie - Fish Creek, WI
"Technicians ~ James & Brent were amazing!  Bunch of friendly people - Love my new furnace!"
Alana - Luxemburg, WI
"Did an excellent job, explained everything in great detail!"
Doug & Joan - Green Bay
"Extremely Happy! Because of a referral,Jeff came all the way to New London for a service call to keep our furnace running in the bitter cold until we could have his team put a new one in. They do EXCELLENT WORK AND VERY KNOWLEDEGABLE. Thank You Guys!"
Kim - New London
"Wonderful customer service! Fantastic employees! Thanks again for a great service tune-up for our home. One less thing to have to worry about!"
Julie - Green Bay
"Originally Jeff went out of his way to do an immediate furnace replacement due to the pending complete failure of our fuel oil boiler system. He completely analyzed our heating needs and offered needed recommendations, correctly utilize our various zone set up. Therefore, we recently had our central air system completely maintained by this employees with great results"
Chris - Casco, WI
"Excellent service, called because internet search showed American Standard certification. Two other contractors were unable to fix the intermittent flame (pressure switch) problem. Ultimate Air's thorough knowledge of American Standard and additional equipment (testers) to check flows & Pressures were a welcome & pleasant surprise"
Bradley E. - Howard, WI
"Super Service, very pleased with their work"
Dan & Sue D. - Casco, WI
"Jeff, Eric & Paula are always so helpful, friendly and always on time. They go out of their way to help you. But the best part, they really know what they are doing and they know everything about their air conditioning and heating units. This has not always been the case for us"
Evan & Darlene - New Franken, WI
"Working with Jeff and his team at Ultimate Air, was a pleasure. Jeff was prompt and he came when our furnace went out, even though it was a Sunday morning. He was very knowledgeable, as was his team, and he took the time to tell us about the different products offered. I am completely satisfied with the work they did and I have complete confidence in my new furnace"
Amy V. - New Franken, WI
"I highly recommend Ultimate Air in Luxemburg. Jeff & Eric were super in all phases of the new system from start to finish. Thank you for a great company"
Brad A. - Casco, WI
"I am extremely satisfied to have my furnace serviced by Jeff Blemke (Ultimate Air). If I have a problem he is right there to fix it and explains everything very well. I couldn't find anyone more professional & prompt."
Kathy D - New Franken, WI
"They were just awesome people."
Mike L. - Luxemburg, WI
"American Standard should be so proud to have Jeff & Eric working for their company. They have helped me in so many different ways, nothing was ever too great to ask."
Marilyn I. - Casco, WI
"When we built our home, Jeff put in our furnace & central air. Jeff is an outstanding person. Takes time to explain what he does & gives you the cost. Went out of his way to complete installing our furnace. Can't say enough about his kindness. Also very pleasant with his service tech, Eric - also another outstanding person. Very friendly & trustworthy - explains everything that he does while he is here and answers all my questions. I look forward to having Eric come back."
Terry & Mary Jane C. - Green Bay, WI
"I'd continue to use this contractor always."
Francis & Karen K. - Pulaski, WI
"Very trustworthy and answer any questions I may have. Kept work area clean and neat. Comfortable that they know what they are doing."
Yvonne P. - New Franken, WI
"Jeff is amazing. Professional, Friendly, Knowledgeable and I would recommend him to anyone. Our air conditioner went out 2 days prior to our wedding and we had a house full of people staying with us from out of town. Jeff responded immediately and we were able to focus on our wedding plans not air conditioning problems. Jeff is our hero for saving our day!"
Chad W. & Shaina A. - Green Bay, WI
"Great service. They know what they are doing. Very clear as to the scope of work"
John & Sheila N. - Luxemburg, WI
"Excellent Service!"
Jeff & Renee B. - Green Bay, WI
"Very good experience"
Chad & Nancy V. - Luxemburg, WI
"Could truly tell Jeff is knowledgeable & believes in his product. Very courteous & pleasant to work with. Will call them again!"
Quincy & Stacy G. - Luxemburg, WI
"Awesome Service! Thank you!"
Maria A. - Green Bay, WI
"Ultimate Air... Jeff and his crew were Super Great!"
Mark & Cindy K. - Sturgeon Bay, WI
Joe W. - Green Bay, WI
"It was 9 p.m. and was to get to -35 wind chill, when Jeff was called. He came in 20 min."
Lily C. - Luxemburg, WI
"Very reliable, fast acting when I really needed them. Will call them again."
Dale W. - Luxemburg, WI
"I have recommended Ultimate Air to several others"
Sally H. - Dyckesville, WI
"Very happy so far! Contractor was very friendly!"
David C. - Sturgeon Bay, WI
"Very pleased"
Judy B. - Appleton, WI
"Would Call Again"
Carl F - Sturgeon Bay, WI
"Great to support local businesses and families. Great to work with, will recommend!"
Paul & Emily J. - Green Bay, WI
"Very pleasant"
BJ & Shannon S. - Luxemburg, WI
"Very knowledgeable & professional"
Wade S. - Luxemburg, WI
"Excellent Service!"
Al H. - Luxemburg, WI
"Excellent Service all way around & very prompt & knowledgeable"
Ron & Marsha B - Luxemburg, WI
Air Conditioner Repair Service in Green Bay WI | Ultimate Air, Inc.
940 Main St. Luxemburg, WI 54217

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