Reviews

From 492 reviews
Gabe Dusenbury
Gabe Dusenbury

Very good experience with Izzy and Forest (Swamp Cooler) and Dan (Electric). Very responsive, knowledgable, friendly and helpful. Would definitely recommend them.

Response from business owner

Thank you for the Excellent review, Gabe!/ We appreciate your business!

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Don Roberts
Don Roberts

Chuck knows his business and is informative and helpful

Response from business owner

Thank you for your business, Dan!

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Lisa Hamilton
Lisa Hamilton

Thank you for coming on a Saturday! Izzy was great!

Response from business owner

Excellent Lisa! We are glad Izzy took good care of you and was able to get you up an running before the upcoming heat wave! Thank you for your business!

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Stacy Gauthier
Stacy Gauthier

Our swamp cooler stopped working on a Sunday during a 95+ degree heatwave. Controlling Systems was the only company of the 15 places we called that was willing to come out and take a look! Chuck came by on a Sunday evening to check out the …

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Response from business owner

Thank you for the excellent 5-star review, Stacy! We are glad Chuck got you taken care of during the hot summer days! Thank you for your business!

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Melissa Meli Reumann
Melissa Meli Reumann

When our air conditioner gave out over two weeks ago we immediately reached out. We had a great experience and Roman spent the whole day at our house making sure every detail of the installation was perfect! Thanks for the extra trips to …

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Response from business owner

Thank you for the great review, Melissa! We appreciate your business and are glad to hear that we have another happy customer!

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Ben Gust
Ben Gust

Excellent all round! Very responsive next-day service, honest appraisal of the situation by a very knowledgeable tech and same day repair to get our air conditioner back up and running on a hot day. Highly recommend!

Response from business owner

Thank you for the amazing review, Ben! We are glad to have another happy customer!

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Visions of Paradise
Visions of Paradise

Vincent was great. He arrived on time and was done without a problem. He discovered a couple of minor issues, and he resolved them quickly. I will be back in the Fall to blow out and shut down the swamp cooler.

Response from business owner

Thank you so much for the excellent review! We appreciate the time you took to help our business grew! We will be sure to pass this along to Vincent, and we look forward to seeing you in the fall!

via Google
Arturo Anton
Arturo Anton

ABE cooling & heating told me they no longer were doing "ACs",My heart was broken,"call Controlling Systems".I did,Mr Andy Allgaier( technician) came and in 1 hour this AC was up & running,the price was right( yes,had to pay an emergency …

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Response from business owner

Arturo, thank you so much for the excellent review! It means a lot to us, and we will be sure to pass this along to Andy! Thank you for your business!

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Doug Jeremias
Doug Jeremias

We highly recommend Controlling Systems. Our AC unit decided to misbehave during the hottest week of the year. Andy is a pro, upon arrival, quickly and transparently evaluated our situation and had our system working properly within an hour…

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Response from business owner

So good to hear, Douglass! Thank you for the excellent review!

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Mike Lovinguth
Mike Lovinguth

Isidoro is super helpful , thorough and takes the time to explain everything about our system! Really recommend this company— they don’t try to oversell you like other companies and work with you on the best plans for your house.

Response from business owner

Thank you Mike! We appreciate your business and your Awesome review! We will be sure to let Izzy know he has another happy customer!

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Jeffrey Milliken
Jeffrey Milliken

Just had a check up of our Mitsubishi mini-split system installed by Controlling Systems last year. Andy, a superb technician, came out for the second time. He is a terrific guy and always does a meticulous, conscientious job. The system…

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Response from business owner

Thank you, Jeff, for the excellent review! We will be sure to let Andy know how happy you are with his work and as always, we appreciate your business!

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Curtzilla34
Curtzilla34

We had an entire Furnace and AC system installed. They were in and out in one day. Gemini is a talented employee. He took his time and didn't rush through explaining every step of what they did and how to operate and maintain the system in …

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Response from business owner

Thank you for the great review! We look forward to working with you in the future!

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N H
N H

Good experience so far. Friendly and knowledgeable staff

Response from business owner

Thank you for the 5-star review!

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Earl Smith
Earl Smith

Andy was on time gave great information as to what he was doing and looking at. Thanks so much Great job.

Response from business owner

Thank you for the excellent review, Earl! We are glad Andy took good care of you! See you next time!

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Conal Kerwin
Conal Kerwin

Vincent Gonzales was our technician from Controlling Systems heating and Air. He did a wonderful job setting up our swamp cooler. He helped us with set up and gave advice on the best way to run it. He was on time and gave us excellent …

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Response from business owner

Thank you for the excellent review! I will be sure to pass along your kind words to Vincent! We appreciate you!

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Nick Kantor
Nick Kantor

Very knowledgeable service rep.

Response from business owner

Thank you for the Great review! We appreciate your business!

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G Rosen
G Rosen

Fabulous experience working with Controlling Systems! Izzy came out to service and clean our furnace. He was professional, thorough, and communicated proactively. I highly recommend Controlling Systems and will definitely request Izzy again…

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Response from business owner

Glennis, thank you so much for the great review! We are proud to hear that Izzy continues to represent our company values and please our customers!

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lana miller
lana miller

Ryan was knowledgeable and fabulous. I would highly recommend.

Response from business owner

Lana, thanks so much for your 5-star review!

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Dale Roth
Dale Roth

Ryan is knowledgeable, friendly, and thoroughly explained options to cool our house. Great appointment!!!!

Response from business owner

Thank you for the excellent review, Dale! I will pass along your kind words to Ryan!

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Dawn Price
Dawn Price

Very friendly and accurate repair appraiser. Repairs were good and fast.

Response from business owner

Thank you for the excellent review! We appreciate your business and look forward to working with you in the future!

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James Fittz
James Fittz

Ryan True was outstanding in his clarity and professionalism. He represents Controlling Systems very well indeed. He was to the point and thorough.

Response from business owner

Hi Jim!! Thank you for the excellent review! We will be sure to pass along your kind words to Ryan! Have a great day and we look forward to working with you in the future!

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Christina Kaneshige
Christina Kaneshige

We strongly recommend using Controlling Systems. We had a consultation with Ryan True who patiently walked us through our different options for installing AC units for our 2nd floor which gets unbearably hot in the summer. He was straight …

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Response from business owner

Thank you for the great review, Christina! We look forward to working with you!

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Bill O'Melia
Bill O'Melia

Controlling Systems showed up when they said they would and Chuck Hoffman, a service manager, did a thorough job cleaning and inspecting the furnace. He did a great job explaining to me and answering questions. I will use Controlling …

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Response from business owner

Thank you so much for the Great review, Bill! I will be sure to pass along your kind words to Chuck. As always, we appreciate your business and look forward to working with you again in the future!

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Anne Powell
Anne Powell

Izzy was conscientious and even went to extra lengths to pick up the parts needed for repairing our ac. It is working great now and is so much quieter than before.

Response from business owner

Thank you for the excellent review, Anne! We appreciate the kind words and will pass them along to Izzy for you!

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Alayna Marin
Alayna Marin

I give high praise to Controlling Systems. They have great customer service all around. I had 3 properties to schedule and one phone call is all that was needed. They coordinated with my tenants and called back with a date and times for the…

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Response from business owner

Thank you so much Alayna! We thank you for trusting us with all of your properties, and we are so happy to hear that Izzy was so great! We look forward to seeing you in the fall!

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Jim Crannell
Jim Crannell

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…

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Response from business owner

It'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!

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Jill Burbach
Jill Burbach

Fantastic service and great pricing. This company is very responsive, they show up when they say they will, and do a great job!

Response from business owner

Thank you for the excellent review, Jill! We appreciate your business and look forward to working with you again in the future!

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Brian Malek
Brian Malek

Controlling Systems always does a great job. Great customer service & knowledgeable technicians.

Response from business owner

Thank you for the excellent review, Brian! We appreciate your continued business!

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Matt Taurman
Matt Taurman

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 …

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Response from business owner

We 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!

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Sandy
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!!

Response from business owner

We are so glad you are happy with your new tankless system! Thank you for your business

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Ryan Fensler
Ryan Fensler

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.

Response from business owner

We appreciate your kind words, Ryan! We are glad you had an awesome experience and we look forward to your continued business!

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Jennifer Kayl
Jennifer Kayl

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!

Response from business owner

Thank you for the Great review, Jennifer! We appreciate your business!

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Travis
Travis

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 …

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Response from business owner

Wow! 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!

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Deborah Glover
Deborah Glover

We had a great experience with controlling systems ! I highly recommend this company! Very professional very knowledgeable ! Thank you Gemini and team!!

Response from business owner

Thank you so much for the review Deborah! We appreciate your time, and look forward to working with you in the future!

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Adrienne Sandoval
Adrienne Sandoval

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 …

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Response from business owner

Thank 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!

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Bryan Fleming
Bryan Fleming

Top-notch work. Professional, high-quality, and efficient. My go-to for HVAC work in the future.

Response from business owner

Thank you for the 5-star review, Bryan! We love being your go-to for your HVAC needs! Thank you for your continued business!

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Bart Waress
Bart Waress

Great work on figuring out the issue with my old boiler. So thankful to get to the root issue quickly. Highly professional too.

Response from business owner

Excellent Bart! We are happy to hear from another Happy Customer! As always, we appreciate your business!

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Geo
Geo

Izzy did a great job. Maximum number of stars. He is knowledgeable, courteous, efficient and informative.

Response from business owner

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!

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Julia R
Julia R

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

Jeff Blue
Jeff Blue

Izzy was great. Maximum number of stars.

Response from business owner

We are so glad to hear, Jeff! We will be sure to let Izzy know!! Thank you!!

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V.R.
V.R.

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. …

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Response from business owner

Thank you for the amazing review! We are always glad to see our customers happy! We appreciate your business!

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Jeffrey Stevens
Jeffrey Stevens

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…

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Response from business owner

Thank you for the awesome 5-star review, Jeffrey! We appreciate your business!

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Anonymous3
Anonymous3

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.

L Tastad
L Tastad

Izzy was efficient and explained possible upcoming issues.

Response from business owner

Thank you for the 5-star review, Linda! We appreciate your business!

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Anonymous
Anonymous

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 …

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Anonymous2
Anonymous2

Izzy 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!

Bill Lee
Bill Lee

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

Response from business owner

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!

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Elias Cobb
Elias Cobb

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!

Response from business owner

Thank you for the Excellent review, Elias! We appreciate your business!

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Victoria Wallis
Victoria Wallis

Izzy was very knowledgeable and patient. He took the time to answer all the questions I had.

Response from business owner

We are glad to hear you are a happy Customer! We appreciate your business!

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Anonymous1
Anonymous1

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.

Jeremy Ward
Jeremy Ward

Izzy was prompt and professional, found the root of the issue with our furnace and repaired it within an hour.

Response from business owner

Thank you for taking the time to give us an awesome review, Jeremy! We appreciate your business!

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Jill Hammel
Jill Hammel

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

Response from business owner

Jill,

We are so glad to hear that we have exceeded your expectations! As always, thank you for your continued business!

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T ommyue
T ommyue

Izzy came over and fixed an issue with my furnace that another repair service team could not find for over a year, Thank you!

Response from business owner

So happy to hear! Thank you for your business!

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Megan Myers
Megan Myers

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…

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Response from business owner

Thank you Megan, for the great review! We appreciate you taking the time to share your experience and we appreciate your business!

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Fernando Sanchez
Fernando Sanchez

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.

Response from business owner

Thanks for the awesome review Fernando! We appreciate the kind words and we appreciate your business!

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Terri Hamblen
Terri Hamblen

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…

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Response from business owner

Thank 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!

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Adrienne Jones
Adrienne Jones

Izzy was kind, courteous, and on time. He found some issues in our furnace and was able to give us an electronic quote in minutes.

Response from business owner

Thank you so much for the words Adrienne!! We are so happy to hear that you were satisfied with Izzy!

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Alyssa M
Alyssa M

Service was great!! Izzy did a thorough job. Very satisfied.

Response from business owner

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!

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Thomas Kocjan
Thomas Kocjan

Izzy was on time, knowledgeable and helpful!

Response from business owner

Thank you for the excellent review, Tom! We appreciate your business!

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Lance Smith
Lance Smith

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.

Response from business owner

Thanks you for the awesome review Lance! We are glad you're happy and we appreciate your business!

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Cynthia Lizarraga
Cynthia Lizarraga

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 …

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Response from business owner

Thank you Cynthia, for the Awesome review! We always appreciate and strive for 5 stars!

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Bart Nicholas
Bart Nicholas

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 …

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Response from business owner

Thank you Bart! We are glad to have another Happy Customer! We appreciate your kind words and your business!

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Robert Bond
Robert Bond

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 …

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Response from business owner

Thank 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!

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Marie Cook
Marie Cook

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 …

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Response from business owner

Thank 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!

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Jack Price
Jack Price

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.

Response from business owner

Thanks for the great review Jack! We look forward to servicing your equipment for you again in the future!

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Amy Phelps
Amy Phelps

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 …

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Response from business owner

Thank 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!

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Barry McCarroll
Barry McCarroll

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 …

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Response from business owner

Thank 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!

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John Self
John Self

Owner worked with us and got everything working. We are very happy with the services we received.

Response from business owner

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

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Camino Susan
Camino Susan

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…

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Response from business owner

Thank you Susan, for the excellent review! We appreciate your business and look forward to our visit in the Spring!

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Brian Heble
Brian Heble

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 …

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Response from business owner

Brian, Thanks so much for the 5 star review! We appreciate your business and look forward to our next visit!

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Sara B
Sara B

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

Response from business owner

Thank you so much for the kind words, Sara! We are so glad to hear that you are pleased with our service!

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Adam E
Adam E

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 …

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Response from business owner

Thank 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!

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Mikael van Loon
Mikael van Loon

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.

Response from business owner

Mikael, thank you so much for the review! We really appreciate the recognition and we are so glad to hear you are pleased!

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Charlie James
Charlie James

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. …

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Response from business owner

We 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!

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Rak Singh
Rak Singh

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 …

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Response from business owner

Rakesh, 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!

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Loren Pfau
Loren Pfau

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.

Response from business owner

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!

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Katie TenHulzen
Katie TenHulzen

I was able to get an appointment for the following week. Friendly service, answered my questions helpfully. Thanks!

Response from business owner

Thank you Katie! We greatly appreciate the kind words and recognition!

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Kim Marshall
Kim Marshall

Great service. Was able to schedule right away!

Response from business owner

Hi Kim! Glad we could help!

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EARL LAGORIN
EARL LAGORIN

Izzy was knowledgeable and professional and did a great job

Response from business owner

Thank you Earl! We appreciate your business!

via Google
Pj Steffen
Pj Steffen

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 …

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Response from business owner

We are so glad to hear this, PJ! Thank you for the feedback! We appreciate your business!

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Sherry Sonken
Sherry Sonken

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.

via Google
Patricia Hayes
Patricia Hayes

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 …

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Response from business owner

Thanks Patricia, for a great review! We appreciate your business and thank you for trusting us with your Heating and Air Conditioning needs!

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David Grant
David Grant

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 …

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Response from business owner

Thank you for the excellent review, David!! We look forward to working with you!

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Bart Goldstein
Bart Goldstein

They are fabulous and extremely professional. I highly recommend them. The installation of my 5 mini splits was done to perfection.

Response from business owner

Thank you, Bart! We are so glad you are happy with your Mini Splits! We appreciate your business!

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Sam Paquin
Sam Paquin

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 …

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Response from business owner

Thanks 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!

via Google
Erin Knight
Erin Knight

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 …

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Response from business owner

Thanks for the great review, Erin! We appreciate you and look forward to your continued business!

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Christine Gonzales
Christine Gonzales

Very knowledgeable and polite.

Response from business owner

Thank you, Christine, for the 5-stars and kind words! We appreciate your business!

via Google
Andrew Nill
Andrew Nill

Arrived on time, diagnosed problem and repaired it quickly. Friendly and professional

Response from business owner

Thank you for the great 5-star review, Andrew! We appreciate your business!

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Cindy Vigesaa
Cindy Vigesaa

They gave a fair middle road bid. They had it installed within a week. They were professionals during the installation.

Response from business owner

Thanks for the great review, Cindy! We appreciate your business!

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Brock Mosovsky
Brock Mosovsky

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 …

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Response from business owner

Thank 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.

via Google
Troy Moore
Troy Moore

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…

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Response from business owner

Thank you Troy! We appreciate your kind words and your business! Thank you for trusting us to handle your HVAC needs!

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Joshua Wilson
Joshua Wilson

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 …

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Response from business owner

Joshua,

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!

via Google
John Smart
John Smart

Bailey the tech did a good job on our 4 Mitsubishi mini-splits.

Response from business owner

Awesome! We appreciate your business! Thank you John!

via Google
Robin Haller
Robin Haller

Great communication. Expert service. Ernie was very professional and knowledgeable.

Response from business owner

Thank you Robin, for the 5 Star review! We appreciate your business and look forward to working with you again in the future!

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Susan Free
Susan Free

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 …

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Response from business owner

Hi Susan! Thank you for the great review!

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Betsy Gershman
Betsy Gershman

Bailey with Controlling systems is competent, efficient and tolerant of my overly friendly dogs!

Response from business owner

Betsy,

Thank you for the kind words! We appreciate your excellent review and your business!

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Eric West
Eric West

Great folks. It's a pleasure doing business with them.

Response from business owner

Thanks for the Great review Eric, and thank you for your business!

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Blane Bennett
Blane Bennett

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 …

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Response from business owner

Thank you for the Awesome review, Blane! We appreciate your business and look forward to your continued business!

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Dan Reitz
Dan Reitz

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.

Response from business owner

Thanks Dan, for the great review! We appreciate your business and look forward to your business in the future!

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Keli Nelson
Keli Nelson

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 …

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Response from business owner

Thanks for the Excellent review Keli! We appreciate your continued business and look forward to working with you more in the future!

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Residential Air Duct Cleaning Denver, CO