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Blog

  • Recent Report: Clean Energy Boosts Employment
    Friday, October 31st, 2014

    Recent Report: Clean Energy Boosts Employment

    Earlier this fall, the Massachusetts Clean Energy Center released its annual report. The state as a whole put a lot of effort into improving our energy savings throughout the...
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  • Utilities Please: A New Report with a New Perspective
    Wednesday, October 22nd, 2014

    Utilities Please: A New Report with a New Perspective

    When we think about our ideal home, we often overlook the basics. We want a wraparound porch, or a master bath, or a walk-in closet, but what about the...
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  • In the Cloud: New Technologies Give You Control
    Friday, October 10th, 2014

    In the Cloud: New Technologies Give You Control

    Our world is flooded with an urge to use the latest technology. Flashy images of the iPhone 6 or your new flat screen TV may come to mind, but...
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  • Foam Shrinkage
    Friday, October 10th, 2014

    Foam Shrinkage

    A recent article from 475 High Performance Building Supply highlighted one of the main issues with foam insulation: shrinkage. This loss of airtightness causes your home to lose heat...
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  • Predict the Future: Efficiency’s Progress
    Tuesday, September 30th, 2014

    Predict the Future: Efficiency’s Progress

    A major part of saving energy today includes looking to the future. Energy efficient upgrades, such as installing cellulose insulation or air sealing your home, begin working from the...
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  • David Posluszny Featured in Thirty Under 30
    Tuesday, September 23rd, 2014

    David Posluszny Featured in Thirty Under 30

    Our own Energy Engineer David Posluszny is featured in Home Energy’s Thirty Under 30 this month:
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Accreditation and Awards

Client Testimonials

Our customers speak for themselves — read some of our recent reviews!

  • Thank you and your crew for not only insulating our home, but doing it in such a professional and considerate way! By the time Dolphin arrived on the day after Labor Day, we were shell shocked from contractors and having strangers running around our house turned upside down to accommodate... read moreThank you and your crew for not only insulating our home, but doing it in such a professional and considerate way! By the time Dolphin arrived on the day after Labor Day, we were shell shocked from contractors and having strangers running around our house turned upside down to accommodate the work that needed to be done. We were completely impressed with David, the site foreman. He was affable and easy to talk to. He kept us up to date on all activity and really eased our concerns about every aspect of the work. His crew was just outstanding and he managed them with respect and precision. I have witnessed work crews before, but yours was a cut above! Not only were they respectful of us and our home, but they exhibited respect for each other rarely seen in blue collar circles. They were in constant motion performing their specific tasks like a well oiled machine! We just couldn’t have been more impressed and pleased. An unexpected bonus was that there is less outside noise penetrating into the house. We have an active street and our neighbors are busy from morning to nightfall and beyond. I used to be able to hear conversations on the street, but after your crew was done, our house is much quieter. And the icing on the cake was when the Mass Save inspector came out to inspect your work. I followed him around and he was also impressed with the work performed and stated that our contractor "had done an excellent job!” He asked who did the work and I told him, “Dolphin". He said that “they always do excellent work!” Boy, was I glad to hear that! Dolphin Insulation exceeded our expectations and left us with a warm feeling and a warmer (and cooler) home! We just wanted to say, “Thank you, from the bottom of our hearts!” read less

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    Michael Morel Avatar
    Michael Morel
    11/26/2017
  • 5 star ratingWe had Dolphin Insulation install insulation in our attic and basement. Their team was professional, on time, courteous, and kept us updated along the way. They also noticed other issues that needed our attention and guided us in a decision for what needed to be done. When the project was... read moreWe had Dolphin Insulation install insulation in our attic and basement. Their team was professional, on time, courteous, and kept us updated along the way. They also noticed other issues that needed our attention and guided us in a decision for what needed to be done. When the project was completed, they did a thorough cleaning of everything. They left the place spotless. Overall, we are extremely happy with the job they did. I would recommend them! Thanks for the great work. read less

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    Lindsay B Avatar
    Lindsay B
    3/31/2018
  • Cannot recommend Dolphin enough. I had contacted 5 insulation contractors to come out and look at my 100+ yr old home with no insulation. The walls are original plaster and lathe and hollow. Only Dolphin came out to visit and gave a comprehensive review and quote. We first had only... read moreCannot recommend Dolphin enough. I had contacted 5 insulation contractors to come out and look at my 100+ yr old home with no insulation. The walls are original plaster and lathe and hollow. Only Dolphin came out to visit and gave a comprehensive review and quote. We first had only the basement rim joist insulated. 2 yrs later we decided to take on the full job of insulating all of the walls. Dolphin came out again and revised the quote and looked over the job. The crew arrived in October and insulated the walls over 3 days. The effects were enormous once winter hit. Before insulating we had a hard time keeping the house above 60 as on single digit days we would use space heaters to supplement the heat and could barely break 58 degrees in the first flow. This year we had 2 weeks of single digit cold and the heat stayed above 70 the entire time! The crew is professional, outgoing and helpful. Everyone I dealt with was professional and honest. read less

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    Eric Garfield Avatar
    Eric Garfield
    5/03/2018
  • Dolphin insulation answered the phone when I called and Karen set up an appointment for their very knowledgeable building scientist to come out and look at my home. He showed up at the time we scheduled, asked all the right questions and gave me a state of the art... read moreDolphin insulation answered the phone when I called and Karen set up an appointment for their very knowledgeable building scientist to come out and look at my home. He showed up at the time we scheduled, asked all the right questions and gave me a state of the art solution to a problem I could never seem to fix. I thought it was just an older home and it would always be leaky. It was about double the cost I expected to spend but when he explained all the benefits and ROI it was a no brainer. We scheduled a few days for the install and the crew was friendly, protective of my home, and worked diligently. They cleaned up after and everything looked great. It’s been a year now and compared to last year I have saved $4,500 and according to my calculations this job will pay for itself in 4 years saving around $400/month. The house is warmer, quieter, and the heat is turning on much less giving our hvac a break. Couldn’t be happier. Thanks for a great job! read less

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    Jamie Madison Avatar
    Jamie Madison
    1/21/2019
  • I got to know Dolphin Insulation through MassSave years ago. Their team installed excellent weather stripping on doors and sealed attic drop-down stairs. I was so impressed I called them for a home energy audit. I found out they have more expertise including energy efficient remodeling, attic insulation enhancements, and... read moreI got to know Dolphin Insulation through MassSave years ago. Their team installed excellent weather stripping on doors and sealed attic drop-down stairs. I was so impressed I called them for a home energy audit. I found out they have more expertise including energy efficient remodeling, attic insulation enhancements, and even basement and slab construction insulation. A few years later and several projects completed and our home is more comfortable year round. The whole team at Dolphin is excellent. They know the pitfalls of poor quality construction and how to remedy it to make your home more efficient. read less

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    Kevin Hausmann Avatar
    Kevin Hausmann
    5/27/2017
  • Dolphin did a great job! No more ice dams.

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    Neal Dowling Avatar
    Neal Dowling
    7/10/2018
  • I always dread the process of getting work done on the house; non-returned calls, not showing up when promised and then not calling to let you know, leaving your job in the middle to start another one, etc. etc. Well, Dolphin was the opposite, a very good experience. Getting three... read moreI always dread the process of getting work done on the house; non-returned calls, not showing up when promised and then not calling to let you know, leaving your job in the middle to start another one, etc. etc. Well, Dolphin was the opposite, a very good experience. Getting three quotes, Dolphin's Chris was the most professional, seemed to know what he was talking about the most, and gave us a comfortable feeling. Add in that their pricing was equal to or better than the others, depending on which part of the house, and it was a done deal. We had the attic completely re-insulated, throwing out all the old fiberglass, air sealing everything and new 18" of cellulose, as the first stage. Dolphin showed up when promised, took less time than I expected, and did what seems to me to be an excellent job, worked cleanly, and cleaned up thoroughly every night and end of job. I will use them for the next insulation project. read less

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    Bruce Hauben Avatar
    Bruce Hauben
    4/15/2018
  • From first call to project completion, Dolphin Insulation was a pleasure to work with. We are building a fairly complex custom home that presented some challenges in insulating and air-sealing. The crew at Dolphin dedicated to helping us problem solve and arrive at the best finished product. As a general... read moreFrom first call to project completion, Dolphin Insulation was a pleasure to work with. We are building a fairly complex custom home that presented some challenges in insulating and air-sealing. The crew at Dolphin dedicated to helping us problem solve and arrive at the best finished product. As a general contractor, I rely on my trade partners to execute our projects correctly, on time and on budget. Dolphin's flexibility and expertise was a great help on all fronts. I plan to work with them again on future projects. read less

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    Ian Harper Avatar
    Ian Harper
    5/24/2018
  • I can't say enough good things about Chris, Amanda, and all the great people at Dolphin Insulation. I came to know them while managing a home rebuild project for the Schultz Family in Stow. The project was a donation based effort to replace a home that was overcome by toxic... read moreI can't say enough good things about Chris, Amanda, and all the great people at Dolphin Insulation. I came to know them while managing a home rebuild project for the Schultz Family in Stow. The project was a donation based effort to replace a home that was overcome by toxic mold while the family was attending to a devastating health situation involving their young son. The house could not be salvaged and had to be torn down. Chris and Amanda stepped up immediately upon hearing of the situation and (working with their vendor partners) offered to donate all the labor and materials required to insulate the new home. It was especially important to the Alphin's that the house be built in a way that the mold situation could never happen again. In addition to the generous offer, Chris brought a level of insulation expertise that is unmatched in my 35 years in construction. In fact, Chris knew so much about his industry and the cutting edge materials available, I called on a trusted building envelope consultant, Neil Rouleau of Building Restoration Services, to help me sort it all out. Neil confirmed that this was a state of the art and extremely generous offer. The praise doesn't end there. In my years in the industry, I've come across a lot of people who talk a good game but fail in the execution. Nothing could be further from the truth here. The installation crews were experienced, hardworking, and great to work with. Given the donated nature of the project we had times when the work flow had to be rearranged. They reacted like true professionals and did whatever it took to get the job done. And they left the jobsite cleaner than when they arrived! Again, I can't say enough about how much I enjoyed working with Dolphin Insulation, and what quality people they are to do what they did. Look forward to working with them again. read less

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    Dan James Avatar
    Dan James
    General Superintendent, Erland Construction, Inc.
    9/09/2018
  • The team from Dolphin insulation (Dave, Troy, and Tyler) were professional , efficient, courteous, and fun to be around. They did their work in a timely fashion while answering any questions or concerns I had ( I had more than a few). Based on my experience I would recommend this... read moreThe team from Dolphin insulation (Dave, Troy, and Tyler) were professional , efficient, courteous, and fun to be around. They did their work in a timely fashion while answering any questions or concerns I had ( I had more than a few). Based on my experience I would recommend this company most highly and without any reservations. read less

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    David Seropian Avatar
    David Seropian
    4/27/2018
Read More Testimonials

Blog & News

  • Smart Thermostats: Save Time, Energy, and Money
    November 23, 2018
    Smart Thermostats: Save Time, Energy, and Money
    Thermostats are often the culprits when it comes to overheating and overcooling your home. You turn up the heat...
    Read More
  • Insulation’s Early Years: Promise for Progress
    January 22, 2015
    Insulation’s Early Years: Promise for Progress
    Building science is a fairly new field. We still develop new materials, new solutions, and constantly look to advance....
    Read More
  • Unavoidable Increase: Choose to Save
    January 3, 2015
    Unavoidable Increase: Choose to Save
    To get straight to the point, energy rates are projected to skyrocket this winter. World Energy compiled the top...
    Read More
Are you ready for the comfortable and energy efficient home you've always dreamed of? 978-266-1122
410 Great Road, A-6
Littleton, MA 01460

978-266-1122
800-987-8815
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