The Best Insulation Contractors in Jefferson, NH

Compare the highest-rated insulation professionals in Jefferson, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Energy Efficiency Solutions

4.8
(150 reviews)
Verified

A leading energy efficiency and insulation specialist serving Northern New Hampshire and Vermont. They are known for comprehensive home performance audits and advanced solutions like spray foam and dense-pack cellulose. Their strength lies in a whole-house approach, combining insulation with expert air sealing to maximize comfort and energy savings.

2466 Main St, Bethlehem, NH 03574 (Approx. 10 miles from Jefferson)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

North Country Energy Partners

4.7
(90 reviews)
Verified

This provider focuses heavily on modern insulation techniques and sustainable building practices. They are a certified contractor for various insulation products and are well-versed in available rebates and tax credits. They excel at retrofit projects in existing homes, including challenging wall and cathedral ceiling applications.

19 Fairbank St, Unit 2, Lancaster, NH 03584 (Approx. 15 miles from Jefferson)

Specialties & Features

Blown-in insulation
Wall insulation services
Basement and crawl space insulation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Yankee Thermal Industries, Inc.

4.6
(200 reviews)
Verified

A long-standing, full-service insulation contractor with a broad range of services. They are a reliable choice for both new construction and renovation projects. Their expertise in attic insulation upgrades and insulation removal/replacement is frequently highlighted in customer reviews, making them a go-to for older homes in the region.

576 E Industrial Park Dr, Manchester, NH 03109 (Serves the entire state, including the North Country)

Specialties & Features

Attic insulation installation and upgrade
Insulation removal and replacement
Blown-in cellulose insulation

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Jefferson

** The insulation market in Jefferson, NH, and the surrounding North Country is characterized by a small number of highly specialized, regional contractors rather than a high volume of local competition. Due to the region's severe winter climate, the demand for high-performance insulation is strong, driving a focus on quality and energy efficiency over low cost. The providers that thrive here are those with deep expertise in retrofitting older, often historic, New England homes to modern standards. **Average Quality:** The quality of service from the top-tier providers is generally very high, as they must compete on reputation and results in a tight-knit community. They are typically well-versed in building science and the specific challenges of cold-climate construction. **Competition Level:** Competition is moderate but specialized. While there are fewer companies than in urban areas, the leading contractors are highly proficient. Homeowners are advised to get multiple quotes, as pricing and recommended solutions can vary significantly based on the contractor's preferred methods and materials (e.g., spray foam vs. dense-pack cellulose). **Typical Pricing:** Pricing is at a premium compared to national averages due to the rural service area, higher fuel costs for travel, and the specialized nature of the work. As a rough guide: * **Spray Foam:** $1.50 - $3.00+ per board foot. * **Blown-In Cellulose/Fiberglass:** $1,500 - $4,500+ for a standard attic. * **Air Sealing & Audit:** $500 - $1,500+. It is critical for homeowners to inquire about potential rebates from utilities like New Hampshire Electric Co-op or Liberty Utilities, which can substantially offset project costs. The top providers will be knowledgeable about these programs.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Jefferson regulations and climate

Frequently Asked Questions About Insulation in Jefferson

Get answers to common questions about insulation services in Jefferson, New Hampshire.

1What is the most important type of insulation for my Jefferson home given our local climate?

For Jefferson's cold, humid continental climate with long, harsh winters, air sealing and attic insulation are paramount. Properly air sealing gaps and adding sufficient attic insulation (typically to R-49 or higher) prevents warm, moist indoor air from escaping into the attic, which reduces heat loss and prevents damaging ice dams on your roof. Addressing the building envelope first provides the greatest energy savings and comfort improvement for our specific weather conditions.

2Are there any local New Hampshire or Jefferson-specific regulations or rebates for insulation projects?

While Jefferson itself may not have local ordinances, New Hampshire has strict building codes (based on the IECC) that require specific R-values for different parts of your home, especially for new additions or major renovations. Crucially, you should explore rebates from the NHSaves program, which offers significant incentives for insulation upgrades, and also check with your local utility, New Hampshire Electric Co-op, for any additional offers to help offset project costs.

3When is the best time of year to get insulation installed in the White Mountains region?

The ideal time is late summer through early fall (August to October). This allows work to be completed before the heavy snow and extreme cold set in, ensuring your home is prepared for winter. It also avoids the peak summer humidity, which can complicate certain types of insulation installation like spray foam that requires specific temperature and humidity conditions for proper curing.

4How do I choose a reliable insulation contractor in the Jefferson area?

Look for contractors experienced with North Country homes, particularly with older structures common in the region. They should be licensed in New Hampshire and carry proper insurance. Always ask for local references in Jefferson or nearby towns like Lancaster or Whitefield, and verify they conduct a thorough energy audit or assessment before providing a quote, as this is essential for an effective solution tailored to your home's specific air leakage points.

5My home feels drafty and my energy bills are high. Should I add more insulation or focus on air sealing first?

In almost all cases for older Jefferson homes, air sealing must be addressed first. Adding insulation on top of significant air leaks traps moisture within wall cavities, which can lead to mold and rot in our humid climate. A professional assessment will identify leaks around windows, sill plates, and attic penetrations. Once sealed, adding the correct type and amount of insulation (like dense-pack cellulose in walls or blown-in fiberglass in attics) will be far more effective at improving comfort and reducing those high heating bills.