Reviews
My AC was over 20 years old and in need of replacement. After picking myself off the floor from an estimate from Applewood, I called Controlling Systems based on a recommendation from a neighbor. The estimate was a fraction of the price for…
read moreIt's excellent to hear we have another happy customer, Jim! We appreciate your kind words about our team! We will be sure to pass that along to them! Thank you for your business!
Fantastic service and great pricing. This company is very responsive, they show up when they say they will, and do a great job!
Thank you for the excellent review, Jill! We appreciate your business and look forward to working with you again in the future!
Controlling Systems always does a great job. Great customer service & knowledgeable technicians.
Thank you for the excellent review, Brian! We appreciate your continued business!
We had Izzy and Andy come out to help us uncover a lot of the problems in our new purchase. We knew we were going to have a list, as the seller tried cutting corners at every turn, but Controlling Systems really helped us make sure we felt …
read moreWe are so happy to hear that our Service Team took great care of you! Thank you for your business and we look forward to working with you again in the near future!
Very pleased with our new tankless water heater! Thank you to Chuck, Roman, Andy, and Shad!
Thank you for the excellent 5-star review, Sandy!
We love our new tankless water heater, shout out to Controlling Systems and Chuck, Shad, Roman and Andy for all your hard work and a job well done!!
We are so glad you are happy with your new tankless system! Thank you for your business
Great customer service from the original quote from Ryan to the installation today with Gemini and Vincent. I purchased a 96% efficiency furnace and I will definitely tell friends and family about their great services.
We appreciate your kind words, Ryan! We are glad you had an awesome experience and we look forward to your continued business!
The team had someone to my house within an hour of my call even though I was a new customer. Andy was very thorough and kind. He did a great job and also helped me learn things with his explanations. Highly recommend!
Thank you for the Great review, Jennifer! We appreciate your business!
Izzy came by for an initial maintenance service and for a potential flame sensor replacement. I was having to clean my flame sensor multiple times each season. Upon inspection, Izzy found an issue with my system setup, corrected it, and …
read moreWow! Thank you so much Travis! Our customer's happiness and satisfaction is our number 1 priority. We are so glad that Izzy was able to get to the bottom of the issue and save you some trouble in the future! Thanks again!
We had a great experience with controlling systems ! I highly recommend this company! Very professional very knowledgeable ! Thank you Gemini and team!!
Thank you so much for the review Deborah! We appreciate your time, and look forward to working with you in the future!
Just completed my second job with controlling systems. Last fall they installed a heat pump water heater and they just completed a mini split heat pump installation and associated electrical upgrade. Only have positive things to say about …
read moreThank you so much for the kind words Adrienne! We are so happy to hear that continue to live up to the high standards we strive for! We look forward to working with you in the future!
Top-notch work. Professional, high-quality, and efficient. My go-to for HVAC work in the future.
Thank you for the 5-star review, Bryan! We love being your go-to for your HVAC needs! Thank you for your continued business!
Great work on figuring out the issue with my old boiler. So thankful to get to the root issue quickly. Highly professional too.
Excellent Bart! We are happy to hear from another Happy Customer! As always, we appreciate your business!
Izzy did a great job. Maximum number of stars. He is knowledgeable, courteous, efficient and informative.
Thank you so much for the kind words! We are elated to hear that Izzy did such a good job and we are always happy to help!
Izzy completed the annual maintenance on our furnace and was great. He was professional, right on time, provided a status update and good advice. Nice work! 5 stars
Izzy was great. Maximum number of stars.
We are so glad to hear, Jeff! We will be sure to let Izzy know!! Thank you!!
Controlling Systems installed a Mitsubishi heat pump system last summer and we couldn’t be happier. Ryan was great in the estimating process and they were very competitive in price compared to other local Mitsubishi Diamond installers. …
read moreThank you for the amazing review! We are always glad to see our customers happy! We appreciate your business!
Izzy was the Tech that came to our house to check our furnace.
Izzy was professional, kind, courteous, and he kept us informed of everything he was doing. Izzy was honest and extremely helpful making sure we understood exactly what he was…
read moreThank you for the awesome 5-star review, Jeffrey! We appreciate your business!
Izzy responded to our call for service on our furnace. He was professional, he was courteous, he kept us informed as to the work he was performing. I would highly recommend Izzy for anyone who needed to have work done on their HVAC system.
Izzy was efficient and explained possible upcoming issues.
Thank you for the 5-star review, Linda! We appreciate your business!
Andy was here today installing a new water heater. He did a great job. He’s very personal and skilled. He cleaned up the area and left it spotless. This company has taken care of our heating and cooling systems since I moved here 9 years …
read moreIzzy was great! Handled the routine service professionally and quickly, was on time, and offered other services (without pressure) that he noted we might have an interest in. Thank you!
Izzy was great. Prompt and professional. Showed me what was wrong and how it it was going to be fixed.
Good HVAC company is like a good mechanic. Once you’ve found one you stick with it. I’ve found mine in Controlling Systems
Thank you, Bill! We are glad to hear you are happy and we will pass the kind words on to Izzy! We appreciate your business!
Izzy was great. He was on time, professional, worked quickly, and offered other services (without pressure) that he noted we might have an interest in. Thank you!
Thank you for the Excellent review, Elias! We appreciate your business!
Izzy was very knowledgeable and patient. He took the time to answer all the questions I had.
We are glad to hear you are a happy Customer! We appreciate your business!
Izzy is great! He was great at explaining my issues to me and giving me options to solve what is going on at my house. I really like the way he presents options and doesn’t upsell me. Overall, I am a very satisfied customer.
Izzy was prompt and professional, found the root of the issue with our furnace and repaired it within an hour.
Thank you for taking the time to give us an awesome review, Jeremy! We appreciate your business!
Controlling Systems has been our company for service on our furnance, ac, and tankless unit for years the time has come to replace all of them the install team were neat and professional. We could not be happier highly recommend
Jill,
We are so glad to hear that we have exceeded your expectations! As always, thank you for your continued business!
Izzy came over and fixed an issue with my furnace that another repair service team could not find for over a year, Thank you!
So happy to hear! Thank you for your business!
I have been using Controlling Systems for years. They have always been top notch and their pricing is better than other companies I researched. Their tech Izzy is the best. He knows his stuff and has maintained and repaired my furnace and A…
read moreThank you Megan, for the great review! We appreciate you taking the time to share your experience and we appreciate your business!
These guys were not only fast and very professional but they really know their stuff. Rudy took care of me and he was very professional and nice. I recommend these guys for any of your hvac needs.
Thanks for the awesome review Fernando! We appreciate the kind words and we appreciate your business!
Controlling systems has always been very helpful and responsive with great professionalism. Izzy Gauna was the tech who helped me today and he was excellent and explained everything really well to me. Would highly recommend them to anyone…
read moreThank you for the Amazing review Terri! Izzy is a great tech and we are glad he took good care of you! Thank you for your business!
Service was great!! Izzy did a thorough job. Very satisfied.
Awesome Alyssa! We are glad to hear about your satisfaction with Controlling Systems and Izzy specifically! We strive to keep our Customers happy!! Thanks for the great review!
Izzy was on time, knowledgeable and helpful!
Thank you for the excellent review, Tom! We appreciate your business!
Controlling systems was great to work with, Andy the service technician made it all happen it just hours. Found parts and got my furnace up and working! Thanks for all that you did.
Thanks you for the awesome review Lance! We are glad you're happy and we appreciate your business!
My furnace failed over the holiday weekend. Controlling Systems exceeded my expectations. They came quickly, discovered the problem quickly and corrected it quickly. And their fee was quite reasonable. I would recommend them without …
read moreThank you Cynthia, for the Awesome review! We always appreciate and strive for 5 stars!
Controlling Systems were very professional and prompt. The service tech was very polite and helpful. I will be sure to use them in the future for any of my mechanincal needs. I highly recommend anyone for their services. Thank you …
read moreThank you Bart! We are glad to have another Happy Customer! We appreciate your kind words and your business!
WOW! Rudy and his team were able to do a highly complicated install of duct work and a few mini-splits in our home within such a short period of time. They were also very professional and beyond helpful with troubleshooting and problem …
read moreThank you so much Robert! We are elated that you were so pleased with our team and we appreciate the kind words! We look forward to working with you in the future! Cheers!
They came out promptly for the quote and sent the quote the same day. Ryan explained issues that needed to be addressed at installation better than anyone else had. They can do electrical work without us having to find an electrician. He …
read moreThank you so much Marie! We are so happy to hear that Ryan T. and our install team were able to get you all taken care of! We look forward to working with you in the future!
Flexible appts, service man explained what was being checked,
left clean work area.
I will use this company for future cleaning and any other
furnace/water heater service needs.
Thanks for the great review Jack! We look forward to servicing your equipment for you again in the future!
My AC system was installed in 2020. When I've had a service issue, if needed, the owner personally reached out and worked with me to correct the issue and make it right. I appreciate the professional response to our service needs when …
read moreThank you so much Amy! We are so glad that we were able to work through the issue with you and we appreciate the patience and understanding!
I hired Controlling Systems from a friend's recommendation and they sent a team over to our home and installed my basement's HVAC vents and returns in a timely and professional manner. It passed inspection on the first attempt and help …
read moreThank you for the Awesome 5-star review Barry! We are glad to help and happy to hear that we have yet another satisfied Customer! We look forward to working with you again in the future!
Owner worked with us and got everything working. We are very happy with the services we received.
Hello John. This is Bill East, owner at Controlling Systems. Could you please provide some more information? I am not finding any calls or customers named John Self in our system. Is it possible you have the wrong company? Please give me a call at (303) 762-1421
Controlling Systems did our annual furnace maintenance. Ernesto and Chuck did a thorough job and explained the process. We’re confident our furnace will run efficiently this winter. We plan to have Controlling Systems back in the spring for…
read moreThank you Susan, for the excellent review! We appreciate your business and look forward to our visit in the Spring!
Honest, responsive, and professional company that provides excellent service for both installations and maintenance. Paid for semi-annual HVAC inspection service and technician showed up on time and did a thorough inspection. I've never …
read moreBrian, Thanks so much for the 5 star review! We appreciate your business and look forward to our next visit!
Andy repaired a gas leak and performed the annual tune up on my furnace today...Very professional, friendly and informative when working with me. Super smart, courteous, and efficient. Thank you! SB
Thank you so much for the kind words, Sara! We are so glad to hear that you are pleased with our service!
Great service, great technicians.
Have used these guys for AC work and furnace work over the years and they are always timely, transparent, and fair priced. They also make time to walk me through what they did and how I can avoid issues in …
read moreThank you so much for the kind words, Adam! We appreciate the recognition and we are so glad to hear that you were pleased with your service! Thank you for your continued support!
Very conscientious and efficient repair and clean up of my aging boiler system. Meticulous detailed blow by blow reporting of issues and progress. Definitely my go to HVAC guys going forward.
Mikael, thank you so much for the review! We really appreciate the recognition and we are so glad to hear you are pleased!
I've used Controlling systems for just about everything. They installed our swamp cooler, and I've been doing their annual maintenance plan. It doesn't matter who comes out, each one of them is extremely curious, professional, and skilled. …
read moreWe appreciate the review, Carlos! Your kind words go a long way and we are elated to hear how satisfied you are with our work. Thank you so much!
Top notch company. Was able to accommodate our urgent request for HVAC and A/C repairs and they walked us through all the things that had to be addressed in detail. Will definitely be calling Controlling Systems again for any further HVAC …
read moreRakesh, thank you so much! We are proud to hear that you are satisfied with our work, and glad we could get you all taken care of! Thank you for the review and we look forward to working with you again!
Have used Controlling Systems for all our heating and cooling needs for 25 years. Always impressed with their promptness, politeness and thoroughness. Highly recommend to others.
Than you so much for the kind words Loren! We appreciate the recognition and your loyalty! We are so glad to hear that you are satisfied with our work and look forward to working with you in the future!
I was able to get an appointment for the following week. Friendly service, answered my questions helpfully. Thanks!
Thank you Katie! We greatly appreciate the kind words and recognition!
Great service. Was able to schedule right away!
Hi Kim! Glad we could help!
Izzy was knowledgeable and professional and did a great job
Thank you Earl! We appreciate your business!
I met with the team for the first time today. I have to say, I was very impressed with their knowledge and recommendations. This is the third bid I am obtaining to replace a century old boiler, and the first two companies couldn’t answer …
read moreWe are so glad to hear this, PJ! Thank you for the feedback! We appreciate your business!
They were very considerate in understanding my situation. Came out and did a thorough evaluation and listened to me. I have nothing negative to say about them. I just decided to go in another direction.
Controlling Systems is a great HVAC company. I’ve used them for years. They follow through every time. Got new furnace and A/C. Had to realign the system. In the attic . Not easy up there. Gemini and Sasha came and worked for two hours to …
read moreThanks Patricia, for a great review! We appreciate your business and thank you for trusting us with your Heating and Air Conditioning needs!
Got three quotes from service technician. Offered lots of options with various price ranges and listed all the pros and cons for each one. Really thought outside of the box. Proposed putting unit into attic and removing old gas heater from …
read moreThank you for the excellent review, David!! We look forward to working with you!
They are fabulous and extremely professional. I highly recommend them. The installation of my 5 mini splits was done to perfection.
Thank you, Bart! We are so glad you are happy with your Mini Splits! We appreciate your business!
Gemini was very professional and took the time to explain everything that was installed, how to properly maintain the new equipment, and how to stay safe while doing so! It was easy to tell he was great as his job and thought of every …
read moreThanks for the kind words, Sam! I will be sure to let Gemini know that his hard work and attention to detail does not go unnoticed! We appreciate your business!
We had an exiting mini-split replaced by Controlling Systems.
Ryan reviewed the job and suggested several improvements E.g., re-orienting the condenser unit, and placing the head in a more efficient spot. Ryan also described upgrades …
read moreThanks for the great review, Erin! We appreciate you and look forward to your continued business!
Very knowledgeable and polite.
Thank you, Christine, for the 5-stars and kind words! We appreciate your business!
Arrived on time, diagnosed problem and repaired it quickly. Friendly and professional
Thank you for the great 5-star review, Andrew! We appreciate your business!
They gave a fair middle road bid. They had it installed within a week. They were professionals during the installation.
Thanks for the great review, Cindy! We appreciate your business!
The service is always excellent from Controlling Systems. The service tech was extremely knowledgeable, found and resolved the issue quickly, and had no problem speaking with me in depth about my options for replacing my HVAC system in the …
read moreThank you for the great review, Brock! We appreciate you taking the time to let us know how we're doing! We look forward to working with you again in the future.
Absolutely 💯 percent love this company. Hired them to put in a mini split. Process was easy abs straight up. No gimmicks no hassle and no tricks. This company stays in communication and in compliance. My product and my install was perfect…
read moreThank you Troy! We appreciate your kind words and your business! Thank you for trusting us to handle your HVAC needs!
We could not be happier with Controlling Systems and our heat pump installation process. They were incredibly responsive, informative, easy to work with, one of the best quotes we received, and true to their word. Controlling Systems will …
read moreJoshua,
Thanks so much for the excellent review! We appreciate you allowing us in your home and trusting us to take care of you! We look forward to your continued business for years to come!
Bailey the tech did a good job on our 4 Mitsubishi mini-splits.
Awesome! We appreciate your business! Thank you John!
Great communication. Expert service. Ernie was very professional and knowledgeable.
Thank you Robin, for the 5 Star review! We appreciate your business and look forward to working with you again in the future!
Izzie, the technician, was wonderful! He was conscientious about keeping the work area clean, very professional and explained in detail what the problem is, how to resolve it, and options. I appreciate his diligence and if necessary, use …
read moreHi Susan! Thank you for the great review!
Bailey with Controlling systems is competent, efficient and tolerant of my overly friendly dogs!
Betsy,
Thank you for the kind words! We appreciate your excellent review and your business!
Great folks. It's a pleasure doing business with them.
Thanks for the Great review Eric, and thank you for your business!
I reached out to Controlling Systems to complete my condensing unit and furnace install through an energy efficiency loan which they are certified through Xcel Energy for. I got multiple quotes for standard efficiency and high efficiency …
read moreThank you for the Awesome review, Blane! We appreciate your business and look forward to your continued business!
They did a high quality A/C installation and took the time to be sure everything was done right. They even walked me through all the equipment to teach me how to do regular maintenance.
Thanks Dan, for the great review! We appreciate your business and look forward to your business in the future!
I have used this company across multiple residents. I have used them for install of AC units and swamp coolers. I have also used them to maintain the units I purchased. They have always been customer focused, friendly, and cost …
read moreThanks for the Excellent review Keli! We appreciate your continued business and look forward to working with you more in the future!
Gus notified me he was on his way as promised. Arrived on time and immediately went to work flushing my tankless hot water heater system. He was thorough and described what he was doing and why. I will use this company in the future.
Thank you for sharing your experience with us, Randy. We're glad to hear that Gus provided you with prompt and thorough service for your tankless hot water heater system. We appreciate your business, and we look forward to serving you again in the future.
Professional company able to schedule within 5 days. Technician was prompt provided notification for arrival, provided good suggestions and recommendations
Thanks George, for the excellent review! We appreciate you business and look forward to working with you again!
Furnaceon and off switch replaced.
Thank you for the 5-star review Connie! We appreciate your business!
Great experience, right on time and great service. Specifically worked with Isidoro. Highly recommend them!
Hello Dave, we appreciate your business. Thank you for taking the time to let us know how we did.
Bill East – owner
Had an AC unit and new thermostat installed. Professional, helpful, communicative. The technician went over all the different pieces with me, explained maintenance and troubleshooting, and answered my questions. Would recommend or hire …
read moreHello Ryan,
Thank you for allowing Controlling Systems to install your new AC. We appreciate your business, and thank you for taking the time to share your experience.
Controlling Systems installed 3 Mitsubishi ductless mini splits in our house to help with the hearing and cooling of our upper level. Gemini, Roman, Domick, Donny and Rudy were all great! They were quick and efficient. Gemini was super …
read moreSara, we're happy to help with your mini split installations!
We've been working with Controlling Systems with all aspects of HVAC in our home for over 8 years. Everyone we've worked with has been friendly and patient, answering all of our questions clearly. They've been consistently reliable, helpful…
read moreRonnie, thank you so much for your continued business. We appreciate your recommendation and kind words!
Professional, efficient, and extremely considerate of our needs when our water heater went out in the middle of one of the coldest days of the year. Within 24 hours we had an appointment and a tankless water heater installed next day. Trust…
read moreJeremy, thank you so much for your business and review. We are always happy to help! Please don't hesitate to reach out to us for any future HVAC or water heater needs.
The response was terrific. They provided us with a very reasonable quote to replace out hot water heater with a tankless system and had it installed within 24 hours of our approval of the quote. The installers were professional and did a …
read moreThank you for your business and wonderful feedback, Diane!
Had an unusual cobbled together connection/filter between the air exchange and the actual furnace. The tech, Joseph, was friendly and great about getting it squared away and with recommendations on how to do a more comprehensive solution …
read moreDan, thank you for the 5-star review! We appreciate your business, and it was a pleasure working with you!
They had someone out the same day! They were so nice and very honest. They cleaned and replaced a sensor on my furnace. They were very professional and very trustworthy! Would recommend them!
Thank you Taylor for sharing your experience. We appreciate your business
This company is very reliable and I used them over 20 years
Guss is a really professional ,very knowledgeable , very courteous person.
He explains briefly what he saw in heating system and what next steps should be. I would give him a 5 …
read moreThank you for taking the time to write a review. I look forward to sharing with Gus and his team so that they know their efforts to provide top notch service is being noticed. Thank you again – BE Owner, Controlling Systems
Absolutely, beyond amazing. Quick to respond, friendly, professional, and knowledgeable. Have used them for years for maintenance, finally decided to replace our very old system. They did the complete replacement and a water heater …
read moreThank you for your continued business, recommendation, and wonderful feedback, Kristen!
I called Controlling Systems because my heater was not working, and they were able to schedule an appointment with me within the same week of reaching out to them, before the holiday, and a day before a massive winter storm blew in. I …
read moreControlling Systems installed a Mitsubishi heat pump system at my house. They did the installation quickly and efficiently. They’ve been responsive and great communicators throughout the process. The heat pump handled the super cold weather…
read moreThank you so much for your business and five-star review, Matt!
Service was quick and professional. No overselling. Reasonable price. Would definitely use again.
Thank you for your business and five-star review, Daan!
This company is great!! I replaced humidifier on my HVAC unit. They were responsive and extremely helpful with every stage of the process. I will use them again.
Thank you for your business and review, Alyssa! Please don't hesitate to reach out for any future HVAC needs.
The Service Technician arrived on time, diagnosed the problem and had everything running in short order. Very professional! We will use Controlling Systems again!
Thank you so much for your business and five-star review, Vic! Don't hesitate to contact us in the future!
This was the second time I have used Controlling Systems to install an HVAC system in my house. Our furnace broke on the Monday before Thanksgiving and they had a new one installed that Wednesday. Very grateful for their timely and …
read moreThank you for your business and five-star review, Brendan! We are always happy to help.
I called around other places and was quoted and average of 1-week to get someone out to my property to take a look at my tenant’s heater; these guys got a guy out to my place the same day and got everything fixed within 2 hours. Shoutout …
read moreDwyte, thank you for the 5 star review. We appreciate you allowing Controlling Systems to help with your HVAC needs.
Honest , reliable people. They educated me on my evap cooler and furnace. Down to earth folks , prices are reasonable and great customer service. Work was good . Definitely recommend them .
Very thorough. Answered all questions.
Thank you for the feedback and five-star review, Jonah!
I received wonderful service from Controlling Systems. My boiler stopped working (it was below freezing outside) and they came to fix it same day! Showed up in the window they gave me, and worked quickly to resolve the issue. No crazy …
read morePerfect ratings are what we live for! We were glad to be of service.
They installed a hyperheat mini split in an addition above our garage. This was new construction, so they ran the line set before drywall and finished up installation after drywall. The county inspector required hard pipe for the drain …
read moreHello Stacie, thank you so much for the positive review! We were happy to be of service. We can't thank you enough for allowing Controlling Systems to take care of your heating and air conditioning needs.
As always, Controlling Systems did a great job. I had them install a central air conditioning system along with a new furnace. They are not cheap but they are reliable, professional, and honest.
Mark, we were happy to be of service! Thank you for the five-star rating. We appreciate your business.