Testimonials Articles

Gas Furnace Repair in Stevensville, MT 59870

February 26, 2023

“My main source of heat was not working during the coldest time this winter.I had two different heating companies try to fix it with no luck. Then I called design Air, they sent their technician Mark out and he fixed it swiftly. The office person Liz was very helpful. Also, I highly recommend Design Air.”

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Air Conditioner Installation in Missoula, 59803

August 5, 2022

“Design Air has always provided us with on-time quality service with friendly, courteous, and knowledgeable staff. Tristan and Casey recently installed our new A/C unit which was a very clean and tidy job.”

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Gas Furnace Installation in Lolo, 59847

August 5, 2022

“Tristan, Casey, and Will rock! They installed both furnace and air. They are professional, excellent communications throughout the day, and they found solutions whenever needed. I could not be more satisfied and I recommend Design Air and this crew 100%!”

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Ductless Mini-Split Installation in Missoula, 59801

August 5, 2022

“Tristan, Will, and Casey installed my ductless AC unit very efficiently. They ran into a problem with the coolant line that was out of their control and they worked diligently to fix the issue. They were personable, polite, and courteous of my apartment and I would definitely use them again in the future.”

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Ductless Mini-Split Installation in Missoula, 59802-2137

August 5, 2022

“Tristan and Casey provided a friendly and professional service. Initially I was taken back from finding out the requirements of the system to be three feet from the electrical box and the unit being 18 inches in the air. Casey did a great job in placement of the unit outside our front door that works…

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Air Conditioner Installation in Missoula, 59803

July 12, 2022

“Very professional and easy to work with. Great communication through the whole process. Tristan and Casey were hard at work the whole time during the installation and got it done in a timely manner. They respected the property and took all the steps to make sure they left it as it was inside and out.…

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Gas Furnace Installation in Missoula, 59804

June 23, 2022

“Miles was our installer for an air conditioner unit and replacement furnace. He was professional and easy to have around during the days of installation. He showed up on time, answered any questions we had and put up with our lab wanting to play ball. So far, we are very happy we chose Designair.”

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Air Conditioner Installation in Missoula, 59841

May 20, 2022

“Tristan was amazing! He was very polite, kind and informative. He answered all of my questions with great knowledge. He cares about the customer, Thank You, we will love our new AC!”

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Air Conditioner Installation in Stevensville, 59870

March 31, 2022

“Miles and Will did a great job. They respected our home, they were courteous and efficient. Glad we chose Design Air.”

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Gas Furnace Replacement in Missoula, 59802

March 17, 2022

“Very pleased with the whole team. Nate evaluation, Steve sales, Melisa communication, Miles and Will instillation; they were all friendly, polite, knowledgeable, and professional. Made a tough time easier. Thank you all. Stay safe. John and Karen”

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Gas Furnace Installation in Missoula, 59803

February 9, 2022

“Miles and Cody arrived promptly to my home; were clean, organized and friendly. They explained what they would be doing, answered all my questions and updated me along the way. Before I knew it, the new gas furnace was installed and running smoothly. I highly recommend these guys to anyone – they are extremely professional.…

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Gas Furnace Replacement in Missoula, 59801

January 19, 2022

“No one wants to be without heat during the winter, but when that is where I found myself, Design Air helped me out. They brought in space heaters while we waited for the unit to arrive, and then Tristan and Cody installed my replacement furnace with no mess. Tristan even returned the next week to…

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Ductless Mini-Split Installation in Stevensville, 59870

January 17, 2022

“Excellent service. Techs very knowledgeable on product & then explaining how it operates. Nice group of people”

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Air Conditioner Installation in Lolo, 59847

December 23, 2021

“We’re new to area and our neighbors told us about Design Air. The service for our furnace prompted our deciding to use Design Air for putting in new an air conditioner. Talk about a Christmas gift! Appreciate all staff interaction, and their professional and reliable service.”

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Gas Furnace Installation in Missoula, 59803

December 20, 2021

“The technicians assigned to our project, Miles, Cody, and Tristan were prompt, focused on the installation of both a furnace and an AC unit, and were engaging and informative throughout the length of the project. Thanks to this Design Air crew for a job well done!” – Hal C.

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Gas Furnace Maintenance in Missoula, 59803

December 16, 2021

“Nathan at Design Air has been out to our home multiple times to fix our AC unit and do system tune ups on our furnace. EVERY time he is very thorough, kind, considerate, helpful, and informative. Brandy also is very kind. I highly recommend Design Air. Exceptional customer service.” -Erica P.

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Gas Furnace Installation in Missoula, 59808

December 7, 2021

“Tristan with Design Air installed a replacement furnace in my home yesterday and I was very impressed with his friendly and efficient way of going about his work. He was on time with a call ahead and went right to work with a pleasant attitude. He was sure I felt comfortable with the new installation…

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Gas Furnace Replacement in Missoula, MT 59808

October 23, 2021

“Tristan and Cody did an excellent job replacing my old furnace with a new one. They were very professional and knowledgeable in answering my questions about the new furnace.” – Lee W.

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Gas Furnace Installation in Missoula, MT 59803

October 21, 2021

“Tristan and Cody were exemplary. They were courteous, professional, answered our questions, and worked until the job was finished. They were very efficient, and I’d highly recommend them and Design Air for any heating/cooling issues. Excellent service all around.” – Melinda L.

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Air Conditioner Installation in Missoula, MT 59804

June 28, 2021

“Super happy with our new A/C system. Tristan and Cody showed up right on time, were friendly and respectful, and worked their tails off to install a complex system very quickly. Very happy with their work and the new system. Will recommend Design Air to others!!” – Dan M.

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Air Conditioner Installation in Missoula, MT 59801

June 23, 2021

“The Design Air crew came out to set up central air in our house during the middle of COVID-19 and it was a wonderful experience. They were respectful of our space, efficient, and thorough. This is my first time having central air in my house and the technicians were great about explaining what they were…

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Gas Furnace Installation in Missoula, MT 59802

April 23, 2021

“Design Air provided very professional service. The installation technician Tristan was polite and informative. I would recommend this company for your HVAC needs.” – Mike G.

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Gas Furnace Replacement in Missoula, MT 59801

April 15, 2021

“The job was done very efficiently in one day, thank you!” – Robert S.

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Gas Furnace Installation in Missoula, MT 59803

March 9, 2021

“They were professional and quick about getting my replacement furnace out. Tristan took his time to be sure that everything was installed properly and that we understood what changed and how it all worked. He was polite and professional. Thank you!” – Kristina W.

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Installation in Missoula, MT 59801

March 8, 2021

“Tristan, Cody, and Mike were excellent! Seriously love you all and appreciate your excellent service, prompt help, and going to extra mile. We’ve loved all that you’ve done for us!” – Meradeth S.

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Gas Furnace Replacement in Missoula, MT 59802

March 8, 2021

“The 30 year old furnace at my folks place finally failed and I desperately needed it to be evaluated. I have to drive a long way to get to my folks place and the Design Air team was very accommodating to timeline/schedule. After a thorough review the tech showed me multiple concerns with the old…

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Gas Furnace Replacement in Missoula, MT 59803

January 22, 2021

“Tristan was extremely professional and did an amazing job. He and his coworkers stayed late to finish the job because my house had a few obstacles and they made sure everything was done right. Tristan also took the time to explain everything to me at the end so I know how to operate my new…

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Gas Furnace Replacement in Missoula, MT 59801

November 20, 2020

“Mike and his team have consistently done a great job with our furnace maintenance. As the cold weather set in our 15 year old furnace needed a major repair and we decided to replace it. Mike was out that afternoon and gave us an estimate, answered our questions and offered some options. The next day…

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Gas Furnace Replacement in Missoula, MT 59802

October 30, 2020

“Tristan was wonderfully professional and polite. Did a great job. Really enjoy my experience. Thank you!” – Danielle M.

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Gas Furnace Replacement in Missoula, MT 59803

October 30, 2020

“Design Air was amazing to work with!! Our 19 year old furnace system quit working during the middle of a 10-inch snow storm with temperatures below zero. We called Design Air Friday morning and they had a tech come out that same day to look at it. The tech called the office and priced out…

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Gas Furnace Installation in Alberton, MT 59820

October 15, 2020

“Mike and Doug were great meeting with us, determining what would work best, and answering our questions. Ed and Griffin were hardworking, non complaining, courteous installers who had to spend many hours in a tight crawl space and in our attic. They were awesome. Tristan was here one day and was friendly and hard working. We…

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Gas Furnace Replacement in Missoula, MT 59803

October 14, 2020

“Work was done in a timely manner. I was kept informed of the progress throughout the day. Tristan and Zack were very nice and respectable employees of Design Air. I will be recommending using Design Air to others.” – Darryl M.

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Gas Furnace Replacement in Lolo, MT 59847

October 2, 2020

“Tristan and Griffin did a wonderful job installing our new heater once our old as dirt one began failing. They worked fast, finishing up in less than half a day. They were super respectful, professional, and practiced safe social distancing during the COVID-19 pandemic. They went above and beyond when they vacuumed after they were…

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Gas Furnace Replacement in Missoula, MT 59808-5856

September 28, 2020

“After having a seasonal evaluation of my heating and AC units by Mark, it was necessary to replace both units due to the age of the units. After consulting with Doug on 4 options, we decided on units that were high efficiency and affordable. Tristen and Ed performed the install. They are two of the…

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Gas Fireplace Installation in Missoula, MT 59803

September 23, 2020

“The entire experience working with Design Air was fantastic. Mike, Doug, Tristan, and Griffin were all extremely helpful and very knowledgable. Tristan and Griffin did a great job with the installation of the new furnace and AC unit. Would highly recommend this company that puts customer satisfaction as their highest priority!” – Matt B.

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Air Conditioner Installation in Missoula, MT 59803

September 23, 2020

“Installation done well and carefully checked. Knowledgable and careful workers. My air conditioner works well and quieter, and cool air is now flowing evenly throughout the house. Design Air, Inc., is an excellent heating/air conditioning service. They are prompt, efficient and get the job done. Try them!” – Anita L.

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Air Conditioner Installation in Missoula, MT 59803

August 14, 2020

“We asked Design Air Inc to provide a proposal for our large 5-bedroom home in Missoula. An appointment to look at the house was set up immediately. Mike & Doug came out to inspect the house and do their research in order to match the right AC unit to the overall design, square footage, etc.…

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Installation in Missoula, MT 59808

August 12, 2020

“Ed, Tristin and the whole team did a great job from start to finish.” – Joe F.

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Air Conditioner Installation in Bonner, MT 59801

July 28, 2020

“I was having issues with my a/c unit. I called Design Air and they sent someone out the next day! My old a/c unit was not able to be repaired in a sustainable fashion. So Doug and Mike gave a very reasonable quote for a new unit. Tristan and Ed installed my new Air Conditioner…

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Gas Furnace Replacement in Lolo, MT 59847

January 24, 2020

“We are very happy with the guys that came in and replaced our furnace today. The young guys named Jacob, Griffin, and Tristen were very polite and kept us informed as they brought parts and tools in. We would highly recommend your business and the men who did the work.” – Gloria S.

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Gas Furnace Repair in Florence, MT 59833

January 21, 2020

“We want to thank Mark and Brandy. We had an odor/gas leak after the installation of our new Bryant furnace. Brandy showed great concern in addressing this issue immediately and getting out to us. Mark came and very quickly identified the problem, took care of it and checked to make sure the problem was resolved.…

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Gas Furnace Installation in Missoula, MT 59808

October 18, 2019

“Very friendly and nice. Outstanding customer service and quality of work. Our old furnace had died completely so we had them come out for a bid. I was very impressed with their thoroughness in making sure I understood the different options for the new furnace and the work that would be involved for each type.…

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Gas Furnace Replacement in Florence, MT 59833

September 24, 2019

“We needed to replace our existing furnace system and called Design Air for an estimate. From the start the staff at Design Air was very courteous and professional. The new heat pump/furnace was installed by a team of efficient technicians who completed the project in less than two days. The system we chose performs great…

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Air Conditioner Replacement in Missoula, MT 59808

July 29, 2019

“Mike and his crew Vince, Tristan and Ron came to replace my old air conditioner, and install new one They were all very respectable, they all introduce them self, worked so well together, they had everything cleaned up in less than 3 hrs. Ron called me later and said they forgot to turn pilot light…

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Air Conditioner Maintenance in Missoula, MT 59801

July 26, 2019

“Mark is always professional and explains the systems in a simple and straight forward way.” – Andrea W.

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Gas Furnace Maintenance in Missoula, MT 59802

July 16, 2019

“Had both AC and furnace maintenance done. Marck explained the work performed on both units. Everything handled in a professional manor. First time using this company and not disappointed. DA will be my first call for future service or equipment needed.” – Frank C.

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Gas Furnace Replacement in Missoula, MT 59801

July 8, 2019

“We replaced our ancient Chrysler furnace with a Bryant in March 2014, then added AC in July. Excellent products, & even better humans installing, troubleshooting, & maintaining our equipment. Owner Mike’s integrity inspires trust; Marck is an outstanding tech who explains, answers questions, & remembers & tends to our needs compassionately & professionally. Amy &…

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Replacement in Bonner, MT 59802

July 2, 2019

“We had contacted several companies for bids. A couple came back saying it will be this much or that much, then once we get in there we may have to add this cost on, plus the electrician cost, but Design airs bid came in under the others with everything included. We knew exactly what we…

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Air Conditioner Installation in Missoula, MT 59801

June 25, 2019

“Entire process, from bidding to final product was simple and easy. Mike, Mark and my Technician Corey were all wonderful and I look forward to working with them in the future.” – Brian F.

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Gas Furnace Repair in Missoula, MT 59801

June 24, 2019

“Corey came to repair the mistakes made by a different company. Not only did he explain what he was doing he also showed us how to change the filters, which the 1st company hadn’t even installed. Corey left the area cleaner than he found it and also kindly worked around our schedule, leaving and returning…

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Air Conditioner Maintenance in Florence, MT 59833

June 19, 2019

“Marck did a great job. He was on time, courteous, explained everything and very knowledgeable. He has been to our place several times to service our AC and furnace. Always very helpful and a pleasure to work with.” – David H.

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Air Conditioner Installation in Missoula, MT 59808

June 17, 2019

“Corey and Vince did a great job installing our air conditioner. They were very professional in their work. Thank you!” – Charlene B.

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Air Conditioner Repair in MT 59840

June 17, 2019

“Marck did a great job. He repaired the plugged drain in our air handler so our unit no longer is dumping water into our basement when the air conditioner is running. Thank you! He was efficient and professional, gave us good advice and clearly described the problem and what he did to fix it. And…

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Remodel Replacement in Missoula, MT 59803

June 7, 2019

“Very professional and great to work with. We are very happy with our new furnace and air conditioner!” – Courtney A.

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Air Conditioner Maintenance in Lolo, MT 59847

June 7, 2019

“The tech, Marck, was on time and very professional! The work was done in a timely matter and complete. I am a regular customer, and so far, I have not been disappointed by this company!” – Donna O.

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Gas Furnace Installation in Missoula, MT 59801

February 21, 2019

“Design Air Inc. in Missoula, MT is an honest and professional company. When our residential 27-year-old gas furnace stopped working during a below freezing 2019 winter night, Mike and his team helped us by installing a new gas furnace in two and a half days. The first day they troubleshot, loaned us space heaters to…

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Gas Furnace Replacement in Clinton, MT 59825

November 1, 2018

“We highly recommend Design Air. The Service and help we received was professional, efficient and expedient. Everyone we had contact with, from the Sales Person, the Receptionist, the Service Technician and the Installers were friendly and very knowledgeable. It is nice to have a dependable and efficient furnace.” – Kenneth D.

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Gas Furnace Repair in Missoula, MT 59808

October 19, 2018

“Thank you Marck , what a nice man very personable and explained everything he did. I greatly recommend this company! Thank you!” – Dale S.

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Gas Furnace Replacement in Missoula, MT 59802

October 12, 2018

“The guys at Design Air did an excellent job replacing our ancient furnace and upgrading our home with a central air system. The owner Mike, was nice and informative when he came both to do our estimate and after when he came to give us our final paperwork. The guys that came to install our…

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Replacement in Clinton, MT 59825

September 20, 2018

“I actually was talked out of their service by the honesty of the technician. I ended up replacing a section of ducting myself. I will definitely recommend this firm to anyone in the future. Thanks for the sound advice. If I ever really do need heating tech service I will call these people first.” –…

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Gas Furnace Replacement in Missoula, MT 59801

September 12, 2018

“I had excellent service from beginning evaluation of my gas furnace through the replacement. All staff were knowledgeable, personable and communicated quite clearly. I appreciated the attention to detail and responses to all my questions. I fully recommend Design Air.” – Rita C.

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Gas Furnace Replacement in Florence, MT 59833

September 7, 2018

“The service was excellent and they completed the job quickly.” – Laura G.

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Air Conditioning in Missoula, MT 59801

January 11, 2017

“Amy is so very friendly and pleasant to talk to. She goes above and beyond with customer service! Your service men are always extremely courteous, helpful and knowledgeable. They are prompt – I only had one incident a few years back where the serviceman was going to be late due to an emergency call, and…

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Gas Furnace Installation in Stevensville, MT 59870

November 27, 2016

“Great to work with. Provide great options to consider.” – Mike P.

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Gas Furnace Maintenance in Missoula, MT 59801

November 1, 2016

“Curtious, helpful, and hard working. Thanks for all your work!” – Blair W.

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Gas Furnace Repair in Alberton, MT 59820

September 22, 2016

“Design Air came recommended to us by another heating company. There customer service is great, they came out when they promised. I chose to get an annual maintenance contract which saves us money on our heating and air conditioning. The serviceman that came out was very knowledgable and answered all our questions. He got the…

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Gas Furnace Repair in Missoula, MT 59801

September 13, 2016

“Nice Job of determining the problem and then quickly get it repaired. Good job of keeping the staff informed.” – Terry Z.

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Air Conditioner Repair in Missoula, MT 59808

August 9, 2016

“I think Mark nailed it. Everything seems to be running well. I appreciated him providing additional information. Thanks!” – Eric T.

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Air Conditioner Maintenance in Missoula, MT 59801

July 10, 2016

“Mark did a very efficient job checking the air conditioner. He's personable and informative.” – Holly C.

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Air Conditioner Maintenance in Missoula, MT 59803

June 16, 2016

“We initially became acquainted with Design Air through our daughter who recommended them to us. Our experience with the technicians is that they are, competent, knowledgeable and personable. They arrive and do what they were asked to do and then make a valuable recommendation. The latter was in reference to an air conditioner cover.” –…

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Air Conditioner Replacement in Missoula, MT 59801

June 15, 2016

“Mike is such an honest fellow. He has a great team that helps him deliver the services he guarantees. He is the 3rd company I have used in Missoula. Go for Mike!” – Barry N.

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Air Conditioner Installation in Alberton, MT 59820

June 15, 2016

“Everyone I interacted with at Design Air was great! Marck was timely, professional, and very knowledgeable. I appreciate all of his hard work to getting our house cooled down for summer!” – Ben H.

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Air Conditioning in Missoula, MT 59801

February 27, 2016

“Great Service!! Mark is an excellent technician that knows heating and cooling inside and out!” – Anonymous T.

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Gas Furnace Repair in Missoula, MT 59808

January 27, 2016

“On time, friendly and professional! What more could you ask for?” – Russ B.

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