Rated 4.8 / 5 from 25 reviews
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Denillo Heating & Cooling Denillo Heating & Cooling offers a full range of indoor comfort products and services, timely response and repair, knowledgeable replacement advice, and energy-efficient new installations and air quality enhancements. For over 30 years, Denillo Heating & Cooling, Inc. has been committed to providing professional service and satisfaction to our customers for all heating, cooling, and indoor air quality needs.

Honesty, integrity, and excellent customer service are our constant goals and top priorities. We provide superior products, reliable support, and straightforward pricing. Our certified technicians offer services for residential and commercial installations, repair, and maintenance with dependable service and the finest products.
Reviews (25)
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Todd Lamitina
Jun 22, 2022
Ac went out on hottest day of the year. Dennilo had someone there fast. Quickly diagnosed and had us cool again within a couple of hours of calling. Cost was reasonable too. Service and response grade = A++++++. First time calling them but will definitely use again Service: A/C system repair
Darlene Milan
Jun 18, 2022
Excellent in service and knowing their job! Their always great in answering any questions you might have! So professional, respectful and prompt! The BEST HVAC company around!
Dallas Slyczuk
May 22, 2022
The tech was early, professional, stayed to explain my problem, showed me what the cause was, very awesome company, called them at 9 AM, they were at my home by 230Pm, all other services put me on a 3 day wait. Use these guys, they get it done! Very happy and satisfied. Service: HVAC system maintenance
Amelia Wolf
Apr 22, 2022
I am preparing to sell my home and wanted to have the furnace tuned up for the next homeowners. They were affordable, easy to book and timely. My service tech, Shane, was professional, knowledgeable and took his time to explain what he was doing so that I knew what to keep an eye on in the future. I would 110% use them again and would recommend to any one looking for heating and cooling services in the areas they service.
Dg
Apr 09, 2022
I've been without heating or cooling for days. The original company told me it would take 3 weeks. Denillo came out in one day and was the most professional, nicest company I've worked with in a long time. I have AC again! This is the only HVAC company I'll ever use Services: Heating system installation, Thermostat repair, A/C system repair, Heating system repair
Dennis Thumpston
Mar 27, 2022
Technician was very knowledgeable and helpful while giving us an estimate for new hvac installation. They have worked on our existing system and we have always been pleased with the results. Service: Heating system maintenance
Jeff Spiegel
Mar 05, 2022
We had them in for an estimate on a new HVAC system. Have not made a decision yet. But, the people were on time and knowledgeable. Very pleasant to deal with
Patrick Blackstone
Feb 26, 2022
Our furnace went out a couple of days ago and we needed to get it fixed. At first, we had planned to use the company assigned to us through our home warranty company, but they could not come out for a week. Our original plan was to bundle up and use heaters to keep ourselves semi-warm until the issue could be addressed. After one and a half nights of sleeping in a frigid house, my wife decided that she could not take the cold any longer.

I'm not sure if it was her justified complaining at 3 in the morning, or the slight shiver our dog experienced while waiting for me to give her the milk from my cereal the next morning, but I knew waiting another 4 days wasn't going to cut it. (Now the point where I tell you my experience with the company.) I sent a message through the company's website and was promptly contacted within the hour.

They were able to set up an appointment for a technician to come to our house the same day. Upon arriving, the technician was friendly and courteous. He covered his shoes and followed me to the basement. I left him to his work as I always feel awkward standing over their shoulder when I know I have nothing to add and they are the professional. Within 10 minutes he identified what needed fixed and gave me a price.

The price seemed reasonable and I was shocked that he could be back and install the part within 15 minutes. At that point we decided that this was our best option for multiple reasons. While he was gone getting the part, I canceled my home warranty inspection and got my $75 back! Upon returning, in the allotted time he had told us, he quickly got to work.

The job was completed in 20 minutes and afterward he took the time to clean the system and make sure everything was working accordingly. I paid, he petted my dog, and then he was off. If we ever experience a heating or cooling problem again, I know who we will contact. Thank you!
Basyl S.
Jan 18, 2022
Denillo is consistently professional and incredibly prompt. All pricing is transparent. Cannot recommend them highly enough!
Hilary Marcella
Dec 28, 2021
My 27 year old furnace stopped heating 2 days before Christmas. After being told by a different company that the issue was irreparable and I needed to replace my entire furnace -- which couldn't be done until two days *after* Christmas -- I called Denillo. Their rep showed up at 8am sharp on Christmas eve, listened to my description of what was happening, and identified the problem within 5 minutes. A $40 fix restored my heat so my household was warm for Christmas. When I do eventually replace my old gal, I'll be calling Denillo's for sure!
Daniel Sunseri
Dec 02, 2021
Our furnace stopped blowing warm air in the middle of the night. Contacted them at 6 AM based on internet reviews. They responded quickly and the furnace was up and running by 11 AM. Very happy with service Service: Repair heating system
Capaproud
Dec 01, 2021
Denillo came to do an annual checkup on my 2 yr old W&M boiler. They were on time and because the boiler is relatively new-all went well. Hoping they can answer more details on installing an instantaneous hot water system with my unit. Tech was a bit new for that info-but he was very professional. Look forward to working with them for future needs.
Lee Taylor
Nov 23, 2021
Shane was very thorough and explained everything in great detail. Really pleased with the quality of the work and will definitely use them again. Service: Heating maintenance
Frank Hanzel
Nov 16, 2021
Everyone here is a pleasure to deal with. And my technician Shane is an amazing person. And there is no salesmanship garbage or anything like that. It's all straightforward and relaxed. This is a special company. I love you guys!
Tom Lind
Oct 27, 2021
I woke up to find my furnace was not coming on and it was 32 degrees outside so I called Denillo for help. Not only were they there the same morning, they spent the time to fix the issue and explain what they did at a very reasonable cost. They tested everything and made sure I was satisfied before they left. I have had negative experiences with other companies and after the service I get consistently with Denillo I would not use anyone else.
David McKain
Aug 24, 2021
The gentleman who arrived was amazing. He was courteous, knowledgeable and diagnosed the problem immediately and was in and out in under an hour. And the price was very reasonable. Service: AC maintenance
Lindsay Choma
Jul 18, 2021
Nick provided excellent customer service on the phone & was able to arrange an almost immediate response to diagnose the problem. Shane came out quickly to resolve the issue & had us back in working order in no time! Truly appreciate it & would 100% recommend! Service: Repair AC
Brian K.
Mar 30, 2021
Please dont soliciate this busniess. I live on the same block as this business. He parks his trucks illegally and is totally disrespectful to his neighbors. Its a blight on the neighborhood and he is totally uncooperative. His men are working at all hours in a residential area and is disrespectful
Charles Z.
Jul 05, 2020
This was the first time that I ever used Yelp. I was in the bind my whole house air conditioning quit working, I looked at Yelp and Denillo was The first people to respond and also was able to come out on Sunday. Nick explain to me all the costs up front and didn't pull any surprises. He followed all the COVID-19 protocols, was very very professional and the job quickly.

I thought that I got very good service and was not overcharged, that's not something that happens very often. I am not one to be on social media and write good or bad reviews but this one definitely deserves a good review Thanks again Nick for all you did and you explained to me everything very well and for your wife getting back to me so quickly when I posted on Yelp
Susan G.
Apr 22, 2020
We recently had a new Trane furnace and AC unit installed and highly recommend! Very knowledgeable, personable and professional from the office staff to the installers! So glad we went with them!
Rachel
Dec 22, 2017
I was very pleased with the product, price & service. Everything about my experience was pleasant. I don't have a negative word to say about your company.
Helen
Nov 27, 2017
I couldn't have been happier. Your company was wonderful to work with. The technicians were awesome and informative. I have already recommended you to my family & friends. Thank you so much for your help.
Jim
Jul 07, 2017
I would like to thank Guy for stopping again at 10:30 pm on the coldest night of the year. Thank you & have a blessed day!
Sara
Jun 19, 2017
Repairmen were polite & professional, Janet answering the phone is always pleasant, appreciated the owner answering questions and calling back as they said he would
Tony
Apr 17, 2015
All businesses should be run like Denillo Heating & Cooling. Guy, you have a business & employees to be proud of.