Compare the highest-rated insulation professionals in Randolph, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, family-owned insulation specialist serving the North Country and White Mountains for over two decades. They are known for their expertise in both new construction and retrofit projects, with a strong focus on improving home energy efficiency. They are well-versed in local utility rebate programs.
This company specializes in comprehensive home performance and energy efficiency upgrades. Their holistic approach often starts with an energy audit to identify the most cost-effective improvements, including advanced air sealing and insulation solutions.
A dedicated insulation contractor with a strong reputation for quality work in attic and basement insulation. They offer a range of insulation types and are experienced in navigating the specific challenges of insulating older homes common in the region.
The insulation market in Randolph, NH, and the surrounding North Country is specialized and driven by the extreme winter weather. The competitive landscape is not saturated with large national chains; instead, it is dominated by a handful of established, local, and regional specialists. This results in high service quality but can also lead to longer wait times during peak seasons (late summer and fall). The average quality of service is very high, as contractors must be well-versed in building science to effectively combat ice dams, high heating costs, and comfort issues prevalent in the climate. Typical pricing is above the national average due to the remote nature of some job sites, the high performance standards required, and the cost of materials. Homeowners should expect a range of **$1.50 - $2.50 per square foot for blown-in attic insulation** (including labor and material), while **spray foam insulation** is significantly more expensive, typically **$3.00 - $7.00 per board foot** for open-cell and more for closed-cell. Most reputable contractors in this area offer free, detailed quotes and are knowledgeable about rebates available through New Hampshire's utility companies, such as Liberty Utilities and NH Electric Co-op, which can substantially offset project costs.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Randolph regulations and climate
Get answers to common questions about insulation services in Randolph, New Hampshire.
For most Randolph homes, blown-in cellulose or fiberglass insulation in attics and walls is highly cost-effective. These materials provide excellent thermal resistance (R-value) for our cold climate and can be installed over existing insulation. Air sealing is a critical first step to maximize effectiveness and savings, as it prevents the strong, cold winds common in the White Mountain region from undermining your insulation's performance.
The ideal times are late spring (May-June) and early fall (September-October). These periods offer milder weather, allowing contractors to properly assess and ventilate your attic or crawl space. Scheduling in these off-peak seasons also ensures better availability before the winter rush, when demand is highest as homeowners prepare for sub-zero temperatures and heavy snowfall.
While Randolph has no unique local codes, New Hampshire follows the International Residential Code (IRC) for insulation R-values. More importantly, you should explore rebates from the NHSaves program, which offers significant incentives for home energy audits and insulation upgrades. Additionally, Eversource and NHEC (New Hampshire Electric Cooperative) often have specific offers for improving your home's thermal envelope.
Look for licensed and insured contractors with specific experience in cold-climate retrofits. Ask for local references in Randolph or nearby towns like Gorham or Berlin, and verify they perform a pre-installation energy audit or thorough assessment. A reputable provider will be knowledgeable about the specific challenges of older New England homes, such as ice dam prevention for our steep roof pitches.
Attic insulation is part of the solution, but the primary fix for drafts and ice dams is comprehensive air sealing and ensuring proper attic ventilation. Ice dams are common in Randolph due to heavy snow and heat loss from the living space. The goal is to create a cold roof deck by sealing air leaks (like around chimneys and light fixtures) first, then adding insulation to meet the recommended R-49 to R-60 for our zone.