The Best Insulation Contractors in Westmoreland, NH

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

#1

R.W. Smith & Sons, Inc.

4.8
(80 reviews)
Verified

A well-established, family-owned and operated contracting business with a strong focus on comprehensive home performance and insulation services. They are highly regarded for their expertise in energy efficiency and professional project management. They are a certified installer for leading brands and are well-versed in local utility rebates.

151 Old Homestead Hwy, Swanzey, NH 03446 (Approx. 15 miles from Westmoreland)

Specialties & Features

Spray foam insulation
Blown-in insulation
Energy efficiency audits

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

DryZone Basement Systems

4.7
(150 reviews)
Verified

As part of the nationally recognized Basement Systems network, DryZone brings extensive resources and specialized expertise to insulation and moisture control projects. They are a top choice for below-grade insulation and comprehensive basement and crawl space encapsulation, which is critical in New Hampshire's climate.

18 Production Ct, Dover, NH 03820 (Serves the entire state, including the Southwest region)

Specialties & Features

Basement and crawl space insulation
Spray foam insulation
Air sealing services

Business Information

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

Ridley's Energy Solutions

4.9
(50 reviews)
Verified

A specialized contractor focused almost exclusively on insulation and air sealing. They have built an exceptional reputation for meticulous workmanship and deep knowledge of building science. They are an excellent choice for homeowners seeking top-tier performance for attic and wall insulation upgrades.

Serves Southern NH and the Seacoast; projects regularly undertaken in the Monadnock Region.

Specialties & Features

Attic insulation installation and upgrade
Air sealing services
Wall insulation services

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Westmoreland

** The insulation market serving Westmoreland, NH, is characterized by high-quality, specialized regional contractors rather than a high volume of local competition. Due to Westmoreland's rural nature and older housing stock, the demand is often for comprehensive energy efficiency retrofits rather than simple new construction insulation. The average quality of service is very high, as the contractors who succeed in this market are established, reputable, and must be knowledgeable about the specific challenges of New England's climate, including moisture management and extreme temperature swings. Competition is moderate but professional. Homeowners have access to several excellent providers, but scheduling can be subject to seasonal demand. Typical pricing is in line with New England averages, with spray foam insulation being a premium service ($1.50 - $3.50 per board foot), blown-in cellulose or fiberglass for attics being more budget-friendly ($1.50 - $3.00 per sq. ft.), and comprehensive whole-house air sealing and insulation projects ranging from $5,000 to $15,000+. Most top providers are well-versed in state and utility rebate programs (like those from NHSaves), which can significantly offset project costs.

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 Westmoreland regulations and climate

Frequently Asked Questions About Insulation in Westmoreland

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

1What are the most important types of insulation for my Westmoreland home given our local climate?

For our cold New Hampshire winters and variable seasons, focusing on air sealing and high R-value insulation in the attic is critical, as heat rises and escapes there first. We also prioritize basement rim joists and crawl spaces to prevent cold floors and drafts. Using materials like dense-pack cellulose or spray foam that resist air infiltration is highly effective for our specific climate zone.

2How does the timing of insulation work in Westmoreland align with our seasons?

The ideal time is late spring through early fall, as attics and crawl spaces are more accessible and comfortable for contractors to work in. However, professional installers work year-round; winter projects are common for addressing urgent heat loss. Planning ahead for a fall installation is wise to ensure your home is sealed before the first major cold snap, which can arrive as early as October.

3Are there any local New Hampshire or Westmoreland-specific rebates or incentives for insulation upgrades?

Yes, New Hampshire homeowners can access rebates and low-interest financing through the NHSaves program (co-sponsored by the state's electric utilities), which includes incentives for air sealing and insulation. Additionally, the federal Inflation Reduction Act offers tax credits. We recommend checking with your local electric provider (like Eversource or Liberty Utilities) and consulting with your installer for the most current program details.

4What should I look for when choosing an insulation contractor in the Westmoreland area?

Choose a contractor licensed to operate in New Hampshire with specific experience in our climate's needs. They should perform a thorough energy audit or assessment before proposing work. Look for strong local references and membership in organizations like the Building Performance Institute (BPI), which indicates training in comprehensive air sealing and insulation strategies.

5My older Westmoreland home has stone foundations and plaster walls. Are there special insulation considerations?

Absolutely. Historic and older homes require careful planning to manage moisture and preserve building integrity. For stone foundations, interior insulation that allows the masonry to breathe is crucial to prevent moisture trapping and frost damage. For plaster walls, techniques like dense-pack cellulose drilled from the exterior (during siding work) or interior are preferred to avoid damaging the historic plaster while still improving thermal performance.