Compare the highest-rated insulation professionals in New London, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly specialized contractor focusing exclusively on spray foam insulation. They are renowned for their expertise in creating high-performance, air-tight building envelopes for both new construction and retrofit projects. Their services are ideal for homeowners seeking maximum energy efficiency, and they have extensive knowledge of modern building science.
A dedicated energy efficiency contractor with a strong focus on comprehensive home performance upgrades. They are well-regarded for their whole-house approach, which combines insulation with advanced air sealing. They are proficient in navigating and applying for local utility rebates and incentives.
A full-service construction and renovation company with a dedicated insulation division. They offer a wide range of insulation types and are a reliable choice for projects that may involve structural elements or where insulation is part of a larger renovation, such as basement finishing or wall remodeling.
The insulation market in and around New London, NH, is characterized by a small number of highly specialized, quality-focused contractors rather than high-volume, low-cost operators. Due to the region's cold climate and the prevalence of older homes, there is strong demand for energy efficiency upgrades. The competition level is moderate; while there are not dozens of providers, the existing ones are established and reputable. Homeowners are generally discerning, valuing expertise in building science and knowledge of local codes. Typical pricing is at a premium compared to national averages, reflecting the high quality of materials used (e.g., closed-cell spray foam) and the skilled labor required. It is common for projects to involve a combination of air sealing and insulation to achieve optimal performance. Many providers are well-versed in state and utility-sponsored energy rebate programs, which can help offset the initial investment.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with New London regulations and climate
Get answers to common questions about insulation services in New London, New Hampshire.
For New London's climate (Zone 6, with very cold winters), achieving a high R-value is critical. In historic or older homes, dense-pack cellulose or spray foam are often top choices as they provide excellent air sealing and can be installed in existing walls without major demolition. Blown-in fiberglass is also common for attics. A professional assessment is key, as the best solution depends on your home's specific construction, moisture levels, and existing insulation.
Costs vary significantly based on the material, project size, and home accessibility. For a standard attic insulation project in the Lakes Region, homeowners can expect a range of $1,500 to $4,500. Whole-house projects like dense-packing walls are more substantial investments. It's important to get multiple detailed quotes, and remember that New Hampshire offers incentives through programs like NHSaves, which can provide rebates that directly reduce your upfront cost for qualifying energy-efficient upgrades.
The best time is typically late spring through early fall (May to October). This allows for optimal conditions for materials like spray foam to cure and makes attic work more bearable. However, scheduling in advance is crucial, as local contractors book up quickly ahead of the heating season. For urgent heat-loss issues, many reputable companies work year-round, but winter installations may come with weather-related challenges and potential premiums.
While New London itself may not have unique bylaws, New Hampshire follows the International Residential Code (IRC), which sets minimum R-value requirements for different parts of your home. More importantly, any contractor you hire must be licensed by the NH Board of Licensure for Tradesmen. Always verify this license and ensure they carry proper insurance. For historic homes in the village district, check with the town regarding any exterior modification rules.
In our climate, poor insulation is a leading cause of high heating costs. Clear signs include drafty rooms, significant temperature differences between floors, ice dams on the roof in winter, and visibly inadequate or settled insulation in the attic. A reputable local insulation contractor will perform a comprehensive energy audit (often using a blower door test) to pinpoint air leaks and insulation gaps specifically in your home, providing a targeted solution rather than a guess.