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DH Insulation and Home Performance does insulation and air sealing, and its own site lists a service area running from Augusta, Skowhegan and Farmington down to Lewiston, Windham, Falmouth, Freeport and Brunswick. A 2025 customer said David spray-foamed the basement and air-sealed the attic of a home they had bought the year before. A 2025 customer described a cold, damp, musty basement and said David recommended spray foam; that customer wrote that he and his crew were in and out in a day and the musty smell disappeared. A 2024 customer said David insulated their entire basement and crawl space and built custom insulated inserts for drafty basement doors. A 2024 customer who hired David for a basement and attic said he explained the reasoning behind his plan. A 2023 customer said David's proposal was more specific than two others, though slightly more expensive, and that he identified a leak in the home. A 2023 reviewer who said they are a contractor wrote that the company insulated 8 homes they built that past year and that every one passed insulation inspection. The company's website advertises insulation and air-sealing rebates covering 40% to 80% of the cost by household income. A 2023 customer said David took care of the rebate for them, and a 2023 customer wrote that they received the full rebate they qualified for with David's help. A 2023 customer said Dave and Mike, as installers, caused a minimum of disruption and left the area clean.
Professional, prompt, and approved by my pets! Truly a pleasure to work with. Good communication and answered any questions I had in a very timely manner.
After purchasing a home last year, I found I was losing heat just as quickly as it was being burned. David came in and did an excellent job spray-foaming the basement to prevent heat loss in the winter and keep cool air in during the warmer months. In addition, he air-sealed the attic which should stop moisture build-up and potential mold issues (between the clash of hot and cold air coming through the space). David was polite, worked well and at a good pace, and took time to explain his thoughts as well allow for my wishes to be met as well. I am not only grateful for the savings over time the insulation will give, but to David for his punctuality, ethic and skill. I also got to learn David's serving in the military. Being an Army Veteran myself I'm proud I was able to give my business to a hard-working servicemember and tradesman like David. DH Insulation and Home Performance was one of the best choices we could make to invest in the future of our home.
I would highly recommend David to anyone looking for insulation jobs. He went over all my options and what he felt would be the best for my home without any pressure. Very knowledgeable and professional.
Our basement was always cold, damp, and musty. We thought it was just how old house was, until we had David . He immediately pointed out the lack of insulation and recommended spray foam. He and his crew were in and out in a day, sealing every crack with precision. The difference was instant. No more drafts, no more moisture, and the musty smell disappeared. It’s warm and dry now, and we actually use the space. Honestly, I wish we’d done it years ago.
Great company to work with. Very helpful and reliable.
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2 changes recorded — last scanned Oct 30, 2026.
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