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"Jeremy and crew are professional, and expert at what they do. Very customer focused and back their work 100 percent. It was a pleasure working with them"

"They showed up on time each day, were very knowledgeable of the work they performed. Showed up for the quote when we scheduled the first meeting and we were very impressed with the overall experience. The deck they built was spot on and perfect for our needs. They did make some recommendations as to how it would look and work better for us and we went with their decisions and are so happy and impressed. They were very neat about their work and very easy to talk with. I would never use anyone else, and HIGHLY RECOMMEND them for whatever you need. So great to work with."

"Replaced an existing internal door with a vintage french door I got at an antique shop. Required rebuilding the entire door jam to accommodate the door. Great work it turned out to be exactly what I wanted."

"Because we were going away for an extended time, and insulation work by others had to be completed first, we had to schedule drywall workday NH Projects under a rather tight time frame. Despite uncooperative weather (lots of rain slowing the drying time), they managed to get everything done as needed, working around other scheduled work they had. They were prompt, professional, and a pleasure to interact with, in addition to doing excellent work."

"Their explanation of the work and overall communication was amazing. The work itself was done efficiently and high quality. Would definitely hire them again in the future"

"Great. It looks very nice. Two workers very professional"

"5 stars for the window replacement. Everything about it, and all of the various people involved (sales, measurements, installation, inspection) were fantastic. The installation team did leave some debris on-site, but the inspector took it away in his truck before he left. 4 stars for the siding work (subcontracted). They did a good job on a 90+ degree day. They did use some of our bricks that were being used as an animal barrier for our garden to level their ladder and didn't put them back. We also had language barriers that made the signing off process a littler longer. Some random metal pieces from the job were left in our driveway and boarders, but were easy to find before they did any potential damage to car tires. 1 star for the insulation work (subcontracted). The guy was supposed to come between 7-9 am, but due to a "communication issue" on their side, he didn't come until 12:30 pm. My wife took off work to be home to let him in, and had they told us he would be there in the afternoon, I could've been home and no time off needed. Punctual is supposedly one of their bill of rights. We wanted a radiant barrier put on our roof. He did maybe 70% and stopped, calling the job done. He also left a bunch of the fasteners on the floor of our attic and didn't take the time to cut off any excess material. My wife signed off on the paperwork without looking at the job (partially her fault), but the installer had her sign it on the first floor and made it seem like he was in a hurry to get back to PA where he's from. I called and complained about the job and sent photos and video. It was the end of the day, and I missed the call back, but there was no communication after. Without letting us know, it turns out, they are coming tomorrow between 10-noon. I only found this out because I called to complain about the gutter installation that was late and asked about a follow-up to the attic install. ZERO communication that someone was going to be coming, so now I have to take off of work again in hopes that they actually show up. It's not listed on the app that they tout as the greatest thing ever. 1 star so far for the gutter installation (subcontracted). The gutter installation was supposed to be done on Tuesday (two days ago, and a day after the siding since it goes on top of a portion of that), but then the app mysteriously updated itself to say Thursday (today) between 8-10 am. This isn't a huge deal since it's outside and no one needs to be home, but again, no actual communication from Power. At 11:30, we noticed that no one had shown up, so I called. It turns out, the install team couldn't source the black gutter materials, and so they'll have to do it tomorrow. ZERO communication from Power until I called them. The app even shows that they're still coming today between 8-10 even after I called and complained. It's supposed to rain today/tomorrow, and the manager assured me that it wouldn't do any damage to the siding that we just had them install. They have 10 bill of rights. They can go ahead and take off customer first, allocation, and punctual based on their descriptions. If you need windows done, I highly recommend them. When they try to sell you on other stuff, find someone else."

"O'Sullivan Installs is fantastic at everything they do. We had 9 insert replacement windows (Provia) and 1 full frame picture window completed in early August and the result is stunning. I thought nothing could beat the look of wood windows and I was wrong--the vinyl windows look clean, modern and high-end. This job took 1 day and the crew was super professional--they left the interior cleaner than they found it! We then had all of our siding and trim replaced. We chose the LP Smartside (which I HIGHLY recommend over a fiber cement siding product) and white PVC trim. It looks like a brand new house, and the product is completely maintenance free. Their work is meticulous and the crew for this job was super professional as well. They worked so hard for 3 weeks (as in 11 hour days) and in the heat of the summer. Communication from Melissa was incredible throughout the entire project. As soon as the job was complete, the dumpster and port-a-potty were whisked away. In addition-I want to shout out Tim, Mark and Brian for being so professional and truly working like a well oiled machine. Hire them for whatever job you need. When I replace the rest of my windows and eventually some doors, they will be my first (and only) call. Great job! Will post photos soon as well."

"Craig the installer did a great job. I was pleasantly surprised by how sturdy the windows were - i picked window source's mid-tier level window. The day after my windows were installed the first storm of the season (snow, rain & ice) arrived and the windows completely performed as they should. I never realized what in eyesore my old windows were until i had these installed. i cant even tell how the wrapping on the windows improved the look of my house! I would definitely recommend window source & i did to a family member. Also, their quote process was quick, 1/2 hour to get a price. Window Source wasn't on my radar while i was requesting quotes on angie's list but they came up as a recommendation & i can't tell you how glad i am I hired Window Source to install all my new windows. A friend had windows installed by a popular chain & Window Source beat the quality and look hands down! If you are like me nervous about hiring a contractor you really know nothing about - i am here to tell you will be happy you hired Window Source. Thank you window source for making my 55 year old house look new!!!"

"He only emailed ask few questions and sent a very high estimate"