Rated 5 / 5 from 14 reviews
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Harmony Home Improvement Choosing the right contractor to install your roof is just as important as selecting quality materials. With so many products available, we'll help you make "Your Best and Safest Choice." We are a full service roofing company and we will handle everything from a new installation, restoration and maintenance to re- roofs and repairs. All with the assurance that can solely come with years of experience.

Quality craftsmanship and design are key - and we go beyond the basics with innovative maintenance programs, extended warranties and great customer service, ensuring our customers' satisfaction and their roof's long term performance.
Highlights and features
  • Asphalt Roofing, Residential, Installation, Shingle Roofing, Maintenance, Siding, Metal Roofing, Products, Tile Roofing, Guttering, Repairs
Reviews (14)
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Ross Pieper
Jun 15, 2022
I was due for a roof replacement and gave Harmony a call to get a quote. Spoke to Dennis, answered a few quick questions and then set up a time to meet. When he came to my house to discuss he had already come up with estimates based on satellite images of the roof. No BS, he just explained the process, answered a couple questions I had, and then he gave me multiple options based on the different brands of roofing material, as well as the different warranty options.

I loved having one page that very clearly laid out different options, and what the price would be for each option. Much more transparency than I'm used to. On top of that, the price I paid ended up being a bit better than other quotes I received. They also added an additional vent to the roof so that I can have my handyman add some piping so my bathroom fans vent outside, rather than just in to the attic like they currently do.

Initially one shingle was slightly curled after the installation, and when I mentioned it to Dennis he said that it would most likely flatten itself out within a day or so, and sure enough, by the next day it had flattened out and that spot looks as good as the rest of the roof. If I were to nit pick a few of my tall grassy plants along the walkway by the back porch got a little beat up.

But it may have been unavoidable. They did put up some sheeting to protect the plants along the side of the house and seems like they did the best they could. Also, the vent that was installed for the bathroom ceiling fans wasn't placed exactly where we had initially discussed, so my handyman will definitely need to use some extra piping to get from where the fans are to where the vent was placed. Fortunately I don't think this will be a big deal. Overall, very pleased with how everything went and I really appreciated Dennis' no BS approach to things.

Some of my windows are showing their age and I will most likely be giving Harmony a call again when the time comes to tackle that project. If you're in to hiking at all, ask Dennis about his adventures in the White Mountains!
Celeste Robitaille
May 22, 2022
No other company would respond to my house because I only needed two windows replaced. John K came right out to measure and give me an estimate. When the windows finally arrived (pandemic backlogs) the job was scheduled for a Friday afternoon. Igor showed up on time. He was extremely professional. Explained everything he was doing in detail, wore shoe protectors every time he came in the house from outside and worked until 7:30 at night (on a Friday!).

Early Saturday morning John checked in to see how the job came out. With this kind of service I highly recommend Harmony. I don't usually bother with reviews but this company deserves the recognition for excellent work and service.
Jim Peterson
May 15, 2022
We recently hired Harmony to replace our roof and install vinyl siding and new gutters. Our experience with Harmony was exceptional. The quality of work was top notch. Dennis kept us informed of every aspect of the job. He was always available (24x7) to answer question and continually stopped on-site throughout the job to inspect progress and insure we were satisfied. Most importantly he is honest and caring; a quality sometimes absence in the home improvement business. I am happy to recommend Harmony Home Improvement.
Phillip Hornat
May 15, 2022
I called Dennis about a roof repair we needed. From the get go he explained everything to me, provided manual checks I could do to see if repairs were actually needed, was responsive and patient with someone who knows nothing about roofing and took the time to explain it to me. While we did not end up using Harmony since our home warranty ended up covering a good portion of the costs with a different company, it was clear Dennis was about being honest and was clearly not looking to just charge us a bunch of money to do something.

He explained our situation, how we know if we needed a repair and about what it would cost to fix in the form of a quote that was competitively priced (actually cheaper than the quote we got from the home warranty company however the home warranty covered part of that cost). If we ever need any work on our roof not covered by our home warranty I promise I will be contacting Dennis first. I highly recommend him if you are looking for an honest roofer who isnt out to take advantage of you. Thank you Dennis for taking the time to help us out.
Carol Ahlschlager
Dec 30, 2021
We had our roof replaced after 31 years. Harmony Home Improvement gave a prompt & comprehensive quote, did the job soon after we signed the contract. The job was completed on time, crew was very professional and did excellent work. We recommend them most highly! Service: Roof installation
Andrew Fritsch
Dec 13, 2021
Just had Harmony replace my entire roof as well as three skylights. From the quoting process through delivery of material and install the process was smooth and most importantly to me the communication was clear. The crew was timely, friendly and left my yard in great shape. Can't recommend them enough and actually I'm talking with them now about my gutters!
Raymond Tellier
Nov 20, 2021
I got three estimates and Harmony was in the ball park! They showed up striped and replaced my roof in one day. The guys did a great job cleaning up. One of my gutters got damaged and John was right there took a picture and they came out and replaced the gutter! Definitely recommend using Harmony Home Inprovment!
Francine Harris
Aug 02, 2021
If you are looking for a contractor who actually shows up when he says he is going to and is on time, prepared, and experienced, then Dennis at Harmony Home Improvement is the one to call! I wouldn't hesitate using him again and have already referred him to two other people who have had a good experiences as well. Service: Window installation
Laura Mafuz
Jul 31, 2021
We recently had new windows, siding, gutters, and doors installed by Harmony Home Improvement and we couldnt be happier! Our home looks so updated and beautiful! Dennis is very professional and wonderful to work with. He took the time to explain all products thoroughly, and the selection of quality, reasonably priced products was exceptional. He was always available and responsive throughout the process. We are very happy with the quality of work and highly recommend Harmony Home Improvement!
Mark Forbes
Jul 17, 2021
Could not recommend Harmony highly enough! I recently had recurring wind damage to my roof (installed by a different contractor), which ultimately required a complete roof replacement. Harmony stood out from the first conversation. Dennis was extremely responsive, prompt, worked up a thorough and competitive proposal, and literally went out of his way to assist with the insurance claim.

Perhaps most importantly, however, it was the overall customer experience - their attention to detail, low pressure approach, and competence and professionalism - that left you feeling like they were more concerned about servicing the customer than just getting another sale. Suffice to say, the new roof looks great! Harmony will be my first call for any future exterior home improvement projects!
Dchislum
Jun 17, 2021
I highly recommend Harmony Home Improvement for roofing, siding, and residence upgrading/repair. From my initial meeting with John Kavanagh until all projects were completed, he was always attentive, accessible and courteous. John listened to what we wanted to be done and was very accommodating. He sent us quotes for different scenarios we had envisioned with and without a number of items, such as: roof replacement, siding replacement, and upkeep needed for the house such as shutter and screen door replacement, and minor cosmetic damage to the garage. John was patient and extremely accommodating to us as we finalized what work would actually be done, and he kept in contact with us every step of the way.

As far as the Harmony Home improvement crew, they were punctual and adhered to strict safety standards and insured there was always a path of egress for us during the work areas. My wife and I do not hesitate to recommend Harmony Home Improvement to you. Their rates are reasonable for the area and for minor home improvement jobs they are willing to negotiate with you on the charges. As for us, for any home improvements we will not use anyone except for Harmony of South Windsor, Connecticut Donald Chislum New Britain
Justin Pearson
Jun 06, 2021
I am beyond happy with Dennis and his crew. I looked at many reviews and this company seemed credible. I had a good feeling from day one. I must have met with 10+ companies that put up vinyl siding. Dennis was the only one to not only be on time, but was early and had property reports for pricing, printed estimates and had already walked the property.

He was personable and honest. He didn't try to sell the most expensive product. I did find a couple of companies that were less expensive, but he was willing to work with me and get as close as possible to their prices. On the first day of work he introduced the crew. The guys who worked on our home were great and did not fool around or waste time.

They did their best to work around plants and shrubs and cleaned up very well at the end of the day and the very end of the job. Dennis was also very responsive to my emails and answered any questions I had. I only write reviews if I am extremely upset or extremely happy. This expensive investment was nothing but positive. I highly recommend Harmony Home Improvement if you plan on having work done to your home. Chances are it is a major investment and nobody wants to be disappointed with the end results.
Jonathan Williams
May 30, 2021
We had a fantastic experience with Harmony Home Improvement, who took over an existing deck project that needed to be reworked. My wife and I hired family to complete a pool deck and unfortunately it was not able to be finished. Upon having it inspected, we found that there were numerous structural issues that needed to be attended to in order for it to pass code. Dennis came to evaluate the job and assured us that the deck could be saved, brought up to code and made to look nice.

They recently finished the work and it passed inspection and looks fantastic. Throughout the whole process, Dennis was a pleasure to work with. He was attentive to details, responsive to any questions and his team was professional, on-time and diligent. The main crew, led by Billy, has a passion for carpentry and continually expressed how their main goal was to make us happy with the project, which we are! We highly recommend Harmony!
Kyle Raczkowski
Apr 02, 2021
We hired Harmony to re-side our house. Dennis was professional and knowledgeable during the quoting process. They were in the same price range as two other companies we had quote the project, but were slightly lower cost. We ended up choosing Harmony because we felt most comfortable with Dennis. The siding team showed up on time everyday and only needed 3 1/2 days to complete the project.

The house looks great and there were absolutely no issues throughout the entire project. We would highly recommend Harmony and will use them again for future projects at our home.