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Google Rating

4.7

Based on 244 reviews

Duncklee Cooling & Heating Inc

4.7

review us on See all reviews

1724274446

One A/C zone failed, midsummer, ahead of visit in 2 weeks from 8 relatives. Duncklee got a repair person to us in 2 days, only to find that the unit needed to be replaced. Technician measured spaces, found only limited options, and it looked like no time for a replacement.As longtime customers of Duncklee (split system in prior home - very pleased), even we were surprised by how well this is being handled. Needed replacement was ordered ahead of my signing contract, paying deposit, and was expedited in order to get the equipment in time, rescuing us from having four little kids and their parents exposed to extremely hot summer weather/humidity.The project was completed in two days and went perfectly. (They anticipated this, so started four days before our family's arrival). An earlier technician, TC, had speced well, helping the company find a system that fit into a very tight space. The installation team, headed by Justin, was remarkably respectful of our home and two resident cats who sought to be "helpful", but weren't. They checked to make sure everything worked and was clean before leaving, even adding that if anything does go awry, don't hesitate to call. Whole team was pleasant as well.Thanks to Duncklee for a great experience and in time for a comfortable visit from our family.

1722868646

Duncklee installed a new York a/c unit at our home . Did great job . Very well run professional company. Their technicians that service our home are all experienced and do great job .

Allison Carriero

1720467411

Highly recommend!! 10/10!!The team is extremely kind, helpful and professional. They were able to fix our A/C unit fast and efficiently. I definitely plan to use them again with any more heating or cooling issues I have in the future.

1720467353

Great customer service ! Excellent communication by their team! Fixed our AC splits! Highly recommended to anyone with cooling Or heating issues!! 10/10!!

1719591371

Excellent customer service! During the last heat wave, our AC would not come on. Barb immediately made calls to customers that did not have such a dire need for service in order to get us an earlier appointment than the maintenance call we originally had scheduled. We are up and running and very grateful to Jonathan and team!

1718679795

Duncklee installed Mitsubishi heat pump minisplit system at my home. The system has worked great since it was installed 6 months ago. It'll be great to use the system to cool the house when it gets really hot this week. No more window airconditioners to lug around and install - my back is very happy for that!Installers did a nice job and were very curteous, attentive & respectful.Lastly, Duncklee's price was great!Highly recommended.

1711508128

Wanted to give a shoutout to Oscar and the team at Duncklee. They helped us so much with our mini splits install and really got creative in their solutions. The end product turned out great. The communication through the project was much appreciated from Paige. Looking forward to finishing the rebate process and the heating in our bedroom!

1709778508

Excellent sales and install staff! Very professional, flexible, thorough and great with pricing and customizing!

1698949564

Oscar and Fernando were amazing installers. They were very professional and careful. Could not be more happy with their service. Also Paige was my salesperson and she did a fantastic job explaining everything in easy to understand terms and figuring out what I really needed for my house.

1698607964

Guys were very nice and professional and our service was prompt for our replacement unit. We have used Duncklee for our heating and air for 14 years and they are always great.

1696080109

1691683845

Big fan of the team at Duncklee. John was great to work with up front, helping to spec out a system that met my needs. He communicated well and followed up with everything he said he would.The install team of Oscar and Fernando were excellent as well. They made quick work of the job, communicating what was happening, and were always on time and schedule.The whole team was professional and the job was done efficiently. I’m very happy with my new ductless system! Would definitely recommend.

William Ordynowicz

1691175017

Duncklee's heating and cooling is an excellent company to deal with. John Duncklee was a pleasure to work with. He answered all our questions and helped us chose what we needed. His crew quickly installed the units in two days. Oscar and Fernando were very professional, courteous, timely and knew what they needed to do. They left our home spotless and took all the time we needed to understand how to safely and efficiently operate the system. I would definitely recommend Duncklee for you heating and cooling concerns.

1686826614

Congratulations on 50 years in business.

1680727723

A well run company with happy capable employees. Just when I needed it Duncklee Heating & Cooling restored my faith and trust in human beings! It is a treat to experience an employer who respects their employees and in turn the employees respect the employer. It is obvious they love what they do because they do it well. From the customer's perspective these folks are highly recommended.

theodore phillips

1670470075

We have been with this company for 5 years and they have been super in responding to our calls and needs. Can't say enogh good things. I would hesitate to buy this excellent product and know the servicing will be followed through if need be.

1670443765

Incredible service. Jonathan walked me through the entire process of getting our new furnace and a/c installed. He’s incredibly thorough and timely in his responses. I had so many questions and he was able to answer all of them and help me make the best decision for my house! Would highly recommend!

William Wheelock

1669926522

My 40+ year old furnace wouldn't heat the house when I started it this fall. Duncklee Cooling & Heating provided a reasonable estimate, and replaced my old furnace with a new Thermo Pride unit. The installation technicians arrived on time and performed a prompt installation. The furnace works great with no issues. Duncklee was great to work with. I would definitely recommend this company for heating and cooling services.

Phadungsak Keawwong

1668196003

If you ever need A/C or heat in your house.... call Duncklee.... Very profressional, arrive on time, never leave a mess in your house. Highly recomened!!

1667689141

1667571606

Excellent experience with sales and installation crew of my Mitsubishi Hyper Heat system. The installation crew even answered all my questions (and I had a LOT of questions) during installation. Finished system looks and performs better than expected. Would highly recommend Duncklee.Edit 11/4/22: Unfortunately I must update this review. The brief summary is that I made the wrong choice going with a Hyper-Heat system. I should have chosen a more basic system that did not require a branch box, and just continued to use the wood stove when it got really cold. Anyway, the full story is the system was installed on January of 2020. In December of 2020 I noticed a leak coming from the branch box. Duncklee diagnosed it as an issue with one of their connections to the branch box and fixed the problem at no cost to me. Roughly 20 months later, the system wasnn't cooling well during heat waves and I noticed a leak from the branch box again, similar to the first. This time Duncklee determines that there was an internal failure in the branch box itself. The branch box was covered under warranty, but the labor to remove/install it was not. I knew this was going to be a cost to me, so was not surprised. I was, however, surprised that all 20 pounds of coolant had to be replaced. That came to roughly $1,650! When the system was brought back online, the tech did a quick check to make sure it was working. We both took IR temp readings of the interior unit coils, and both got readings between 55 and 60 degrees. He said that was fine, even though I couldn't see how that could possibly cool effectively. But I'm not a HVAC tech, so I took him at his word. So the first warranty repair came to $3,150... About 4 weeks later the system isn't working well again, so they send out a different tech to diagnose. He determines that the compressor has failed. Part of his determination came from him getting readings of the coils operating between 55 and 60 degrees. He says they should be 35-40 degrees... So he puts in an order to replace the compressor. The following week they tell me that the compressor won't be in until mid-November at earliest. Not a big deal because things have cooled off for the season. Get a call today telling me that the compressor won't ship from the factory until late December, meaning I'll be lucky to have the system operating by late January. This warranty repair will cost me $850 in labor and most likely another $1650 in coolant. Meanwhile I now have to acquire a woodstove and about 3 cords of wood to heat my home from now until then. So that's another cost I'm taking on because of this system. So in summary, other than the first tech giving me incorrect info about coil temp operating ranges, Duncklee has been very good to deal with. It's the Hyper-heat system and it's branch box that I can't warn people enough about. When they work, they are great. But when they fail, the costs will eat up years of savings that this system has over other systems. I will have put more than $5,500 into warranty repairs when this is done. That will take 7 to 10 YEARS to recover in heating cost savings, assuming there are no further failures during that time.

1666269036

Extremely helpful, honest and great support. System has been working great for years.

andrew scheuermann

1666201529

Great guy

Teresa DeDominicis

1665082735

Had the pleasure working with Johnathan Duncklee to purchase our A/C Split Unit. Johnathan came out to our home to discuss options and the process of the installation. He was very polite, knowledgable and efficient. Highly recommend Duncklee Heating & Cooling and the entire team.

Jeffrey Beacham

1664468716

Jonathan Duncklee and his crew are too notch. I purchased a Mitsubishi mini split system from Duncklee Heating and plumbing and I could not have asked for a more stress free contractor experience. The installers were so neat, they left absolutely no sign that they had ever been there other than the installed equipment. The lead installer Jim was super nice and very friendly. He answered all of my questions with a smile and left me feeling very comfortable with the entire job. I strongly recommend them!

1660653677

Very fast, professional and reliable, Jonathan Duncklee saved my business! He was able to get new commercial HVAC unit and have it installed in less than 2 weeks when other companies quoted me months. Definitely highly recommended!

1660585443

Pro crew, excellent work

1656353898

1656092030

Through, courteous, attention to customer's property.

Mattias Lundblad

1655558026

We had Jon Duncklee over for a consultation for our future heating and cooling system as we switch away from oil. He gave us several options, and explained the pros and cons of each in a way that was very easy to understand. The company has been around for a long time and has a great reputation, and I can easily understand why.

carolyn anderson

1653837233

Duncklee Cooling & Heating did a quality and professional job on installing our Ductless heating and cooling system. Our sales representative, Paige Remmert was knowledgeable, professional, and friendly. She listened to our needs and coordinated the job. Paige organized the rebates through the town which other companies would not. I would highly recommend them.

1651923112

The gentleman that came out to change our house from Oil to Gas Heat and add AC did a great job and explained the system very well

1644674172

This is a top notch company that takes care of their customers. They installed a new ac system in my home and it takes care of the cooling in the summer. Their service department is great also.

1643992050

Very professional working ethics and very efficient.Jim and Oscar were a excellent team finishing a jobin a minimum amount of time for the work conditions.I would highly recommend them for anyone looking fora professional job.

1643139509

1642728890

Very professional top notch installation.

1632227574

I'm sure this is nothing new to you, but I would like to share how I am/was so very impressed by the professionalism of all your staff. I have not witnessed such dedication, respect and talent in tradesmen in a very long time.I am most at ease that my new boiler will provide unconditional warmth! I highly recommend services rendered by Duncklee Cooling & Heating Inc.

1630599083

We used Dunklee to install split ac units in our 140 year old home,. My only question is "why did we wait so long?"! Paige our Sales Consultant was so professional and knowledgeable, the installation was seamless and my family is enjoying a cool oasis from the summer heat.

Stephen Castagnaro

1693929772

I was a little disappointed in the amount of legwork I had to do , specifically I had to go before the Historical Commision twice to get their signoff and I had to go to the townhall to pay the permit, hence the 4 stars. To be fair I do not believe they are the only contracters that leave this to their customers although a neighbor did not have to deal with this for her recent HVAC install.However I could not be more impressed with the professionalism and competence of the installation crew of Noah and Jason as they addressed the challenges of installing on an older home and having to adjust the original installation specs. Their communications relevent to their progress and our endless questions were outstanding. Highly recommended.

1677511580

Using Duncklee was absolutely fantastic! Jon was so professional as well as personable. He walked me through the entire process and although we had some hoops to jump through as this was for our 2nd home, he was very accommodating. The only note that I had was that I didn't know we needed to hire an electrician until the day we needed one. If I had known earlier in the process I could have coordinated and scheduled accordingly. Luckily one was available and get the work done in a timely manner. We really enjoyed our experience with Duncklee.

Veronica Blanco

1627358375

1726070552

Had them come out for annual maintenance on our mini splits. They estimated 1hr for each blower. One guy shows up, slowly removes the air filter and washes it off with my garden hose. There's no way he can stretch this into a 5 hour job. Then another guy shows up, they slowly wash my filters together and joke around. I get a bill for over $1,000 for 2 guys to wash off filters. Never called them back.

1721134243

We got our mini splits installed back in the fall of 2022 and since then I have gone back-and-forth about whether or not I should leave a review of our experience. But, seeing as we are still experiencing problems to this day, I’ve decided it is worth it so that no one else whines up in our situation. When we first reached out to Duncklee, everything was great and Paige was very helpful. After doing a walk-through of our house together, she quoted us 5-6 units for the whole house, one in each room. It was a little bit more than we wanted, so we wound up just purchasing three mini splits (one for our bedroom living room/kitchen and a room that at the time was our future nursery). Fast forward to install (which was scheduled and then canceled late the day before or the morning of 2 to 3 times), the technicians finally get there only to inform us that two of our upstairs bedrooms (one of which was the nursery) could not accommodate the mini splits due to there not being space on the exterior wall? This was extremely frustrating especially when we were told that the entire house could have mini splits. Thank goodness we only bought three instead of the five that she originally presented to us. So, we had to settle for an install of the third mini split in a random separate room that it could fit in and to this day, we still have to use a window unit for our nursery, which is what we were trying to avoid in the first place. Install after that major debacle went well, but then we also learned that we could not even use our mini splits because Duncklee failed to mention that we needed to set up an electrician to fully wire them. So we had to wait another week or so until we could arrange for an electrician without any coordination support from Dunklee. Finally we got our mini splits up and running. About a month after install, we noticed the outdoor condenser making a strange noise so we called Duncklee to see if they could come and check it out. They said yes, but that they would charge us a $200 fee if after their inspection, nothing was wrong with it. We thought this was extremely strange (especially since they had only been just installed), and fortunately, my husband was able to solve the problem himself. Finally, this year when my daughter started experiencing some health issues, we discovered that our mini splits are full of mold and they should be getting serviced and cleaned 1-2 times a year. This was never communicated to us by Duncklee. I actually spoke with a friend who went with a different company for their mini splits and she said that the company they went with has been coming out yearly ever since their install to do just that. So, long story short, please keep these things in mind if you choose to work with this company. We certainly will not ever again and advise our friends to seek out other alternatives as well.

1685482472

*update 05/23/23. Tech called us to take payment and computer didn't work when I tried to pay. Then my wife tried to pay and they tried to take payment from my wife which they inputted numbers wrong. Due to my bad review they posted my personal email, cell phone number and address. We will pay this tomorrow but completely can't believe you would air out your CUSTOMERS PERSONAL information from your database on a public website. This is personal identifiable information that they are willingly putting out for others to contact. We will pay tomorrow if your company can put the numbers in correctly.ANYONE USING THIS COMPANY BE CAUTIOUS AS THEY EXPECT YOU TO ASK SERVICE CALL Prices AND IF YOU DONT THEY BLAME YOU AND THEN PUT YOUR INFORMATION OUT. THEY PUBLICLY DISCLOSED MY PERSONAL CONTACT INFORMATION WITHOUT MY Consent.Originally the company was greatWell 2 years later I have a split system that needs work and I called them to to service the system cause it wasn't working right. After quick troubleshooting and for an hour of work he gives me a 292.00 bill. Because I reset the system there were no longer error codes so I literally paid 292 dollars for a professional to tell me it's fine call back if you need anything. Won't use them again. Not even sure how to use warranty at this point.Call around if you want an honest company

1684928011

CAREFUL using this company they will share ALL your private information publicly. Name, address, phone number, ectWe had Dunklee service our system. We were caught off guard with how high the price per hour was. So we made a review to inform the public about this. Dunklee response to our comment was sharing our private information. I will not trust them again and am scared for my family now that people have full access to our personal information.

ann marie grassia

1658924630

Never got a return call

1654878838

Beware of this company ! I had the misfortune of giving DUNCKLEE HVACa try, big mistake. I've been working with contractors for years never experienced such poor customer service. I called to have this company give me a quote on a new heat pump and air handler. OWNER REFUSED TO COME OUT AND EVALUATE MY HOUSE SAID HE DID ONE ALL THE SAME. THE DAY HIS CREW CAME OUT THEY INSTALLED THE UNITS, TOLD ME THERE WAS A LEAK IN MY LINE SET, COULDN'T DO ANYMORE. THEY ASKED TO GET PAID, SAID THEIR JOB WAS DONE. THEY WERE MORE INTERESTED IN GETTING TO A SOFTBALL GAME. I TRIED TO REACH THE OWNER, HE WOULD NEVER ANSWER THE PHONE. HE HAS HIS OFFICE STAFF SCREEN HIS CALLS AND REFUSED TO CALL ME BACK. ONCE THEY HAD MY MONEY THEY COULD CARE LESS. THIS COMPANY WANTS QUICK IN AND OUT JOBS THAT DONT REQUIRE AND THINKING. I SHOULD HAVE KNOWN BETTER WHEN SHETUCKET PLUMBING WARNED ME NOT TO USE THEM. IF YOUR THINKING OF USING THIS COMPANY THINK AGAIN! I am shocked he's still in business!

1653327663

Tried asking if they would repair my outside ac unit in a manufactured home park and they said they cant service my area. Park owner said can use anyone.

1647958339

I submitted an internet inquiry and have left two messages at the office to have someone contact me for a new heating/AC unit at my home in Stonington. No one has responded. I reached out to two other companies who called me back same day and had quotes to me within two days. To make matters worse when I inquired online it must have added me to their email list so now I get spam mail from them when they couldn’t bother to call me back….

1628852883

Services charged severely above market rates. $225 for the first hour and $175 thereafter. Beware.

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