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Business Details
We are a family-owned and operated home improvement company serving the Greater Concord, New Hampshire area. For over 30 years, we have partnered with residential and commercial clients to resolve common home performance and exterior upgrade challenges. Our team holds extensive specialized education in proper window, door, and insulation installation best practices. We are fully licensed, insured, and factory-certified to deliver compliant, high-quality workmanship on every project. We offer free in-home consultations to accurately identify each client's unique needs, from drafty windows to excessive heating and cooling costs. We handle projects of all sizes, from single storm window replacements to large commercial jobs like the Sheraton Hotel in North Conway, New Hampshire.

Our product offerings include trusted brands such as Harvey Building Products replacement windows and Therma-Tru entry doors. We hold elite dealer status with Harvey Building Products, allowing us to provide premium products at fair, transparent pricing. We are proud members of NHContractors.net, reflecting our commitment to industry-aligned professional standards. Our core priority is 100% client satisfaction, with a focus on completing every job correctly and on schedule. We help clients reduce long-term energy costs through high-performance upgrades like spray foam insulation and Energy Star-rated doors. Our team guides clients through every step of the upgrade process to ensure a seamless, stress-free experience from initial consultation to project completion.
Highlights and features
  • We have over 30 years of home improvement experience.
  • We are fully licensed, insured, and factory-certified for all projects.
  • We hold elite Harvey Building Products dealer status with 30+ years.
  • We offer free, no-obligation in-home consultations for all clients.
  • We guarantee 100% satisfaction on all projects, regardless of size.
Services
Vinyl Siding
We provide professional vinyl siding installation for residential and commercial properties across New Hampshire. Our high-quality siding options eliminate the need for regular painting and protect your home from weather damage. This upgrade instantly boosts your homes curb appeal while reducing long-term maintenance costs for homeowners.
Replacement Windows
We install premium Harvey Building Products replacement windows for residential and commercial clients throughout New Hampshire. Our factory-certified team has extensive education in proper window assembly and installation to ensure long-term performance. These upgrades eliminate drafts, reduce heating and cooling costs, and improve your homes overall comfort and value.
Entry Doors
We install high-quality Therma-Tru entry doors for residential and commercial properties across New Hampshire. Our team helps clients select from a wide range of fiberglass, wood, patio, and French door styles to match their homes aesthetic. All our entry door options include standard Energy Star ratings to lower heating and cooling costs for homeowners.
Spray Foam Insulation
We provide professional spray foam insulation installation for residential and commercial properties across New Hampshire. This high-performance insulation option seals air leaks to drastically reduce heating and cooling costs for homeowners. Our certified team ensures proper application to maximize energy efficiency and long-term performance for every property.
Seamless Aluminum Gutters
We install custom seamless aluminum gutters for residential and commercial properties throughout New Hampshire. These durable gutter systems effectively channel water away from your homes foundation to prevent costly water damage. Our professional installation ensures long-lasting performance and minimal maintenance for every client.
Reviews (5)
Maurice Regan
Mar 06, 2022 Report
Shoddy work. Installed gutters that drained improperly. Consistently refused to return calls or fix the pitch of the gutters.
Roy Kenneth
Nov 12, 2021 Report
This company is one that I would hire again without a doubt. Tracy (the boss) even came to finish our insulation in the basement and garage while the crew was helping some other lucky customers. thanks Tracy. I'll highly recommend your services gladly. Roy
Robert Prudhomme
Nov 03, 2021 Report
Called them to get an estimate. They came right out and gave me an estimate within a few days. Though the price was a little high for my project and asked if we could do it another way to lower the price. The salesman was very responsive and told me he would get that right out to me. That was two weeks ago. Will not return calls or messages. Even called the main office and still no return call. Very unprofessional for a business.
P. Henderson
May 29, 2020 Report
Critical: Professionalism, Responsiveness Called at least a dozen times to schedule quote and work. They NEVER called back. Not once. Left messages with live people, voice messages, nothing worked. Very unprofessional.
Henry Glickel
May 23, 2020 Report
I have engaged Energy Improvements twice to provide insulation services. They even came back to fix a problem of mine (not their fault). The estimate was fair and reasonable. They came on the day and time they promised. The office staff was helpful and assisted in the scheduling. The installation crew was efficient, courteous, and worked with purpose. I do not have any complaints. I am a very high standard customer and feel comfortable writing this review.