The Best Insulation Contractors in Keene, NH

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

#1

Dr. Energy Saver Southern New Hampshire

4.8
(150 reviews)
Verified

A leading regional provider specializing in comprehensive home energy solutions. They are well-known for their professional energy audits which inform their insulation and air sealing work. They offer a wide range of insulation types and are a go-to for complex projects involving spray foam and crawl space encapsulation.

194 Londonderry Turnpike, Hooksett, NH 03106 (Services Keene and Southern NH)

Specialties & Features

Energy Efficiency Audits
Spray Foam Insulation
Basement and Crawl Space Insulation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Monadnock Insulation & Home Performance

4.7
(80 reviews)
Verified

A local contractor with a strong focus on the Keene and Monadnock Region. They emphasize whole-home performance, combining insulation upgrades with air sealing for maximum energy savings. They are particularly skilled in blown-in cellulose and fiberglass for attics and walls.

Serves Keene, NH and the surrounding region (Local-based)

Specialties & Features

Blown-In Insulation
Air Sealing Services
Attic Insulation Installation and Upgrade

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

AmeriSpec Home Energy Services

4.6
(100 reviews)
Verified

Part of a national brand with a strong local franchise, AmeriSpec provides expert energy audits and insulation services. They are a great choice for homeowners seeking a standardized, professional process and who may be interested in understanding available rebates and the precise ROI of their insulation project.

121 West Road, Suite #102, Portsmouth, NH 03801 (Services the Southern NH & Seacoast region, including Keene)

Specialties & Features

Energy Efficiency Audits
Insulation Removal and Replacement
Wall Insulation Services

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Keene

The insulation market in Keene, NH, is characterized by a mix of local specialized contractors and larger regional companies that service the area. Due to Keene's location in southwestern New Hampshire and its inventory of older homes, there is a strong demand for energy efficiency upgrades. The competition is moderate but healthy, with a focus on quality and expertise rather than a high volume of low-cost providers. Typical pricing is competitive with New England averages; a standard attic blow-in with cellulose can range from $1,500 to $3,500, while more complex spray foam projects or full-home retrofits can run from $5,000 to $15,000+. Homeowners are generally savvy about seeking out providers who offer energy audits and understand local utility rebates, such as those from NH Saves, which drives service quality and professionalism.

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 Keene regulations and climate

Frequently Asked Questions About Insulation in Keene

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

1What is the best type of insulation for my older home in Keene, given our cold winters?

For Keene's climate (Zone 6A), with long, cold winters, air sealing combined with high R-value insulation is critical. In older homes, dense-pack cellulose or spray foam in wall cavities and blown-in cellulose or fiberglass in attics are highly effective. These materials combat significant heat loss and help manage the ice dam risks common on our snowy roofs.

2Are there any local rebates or incentives in New Hampshire for upgrading my home's insulation?

Yes, New Hampshire homeowners can access significant incentives through the NHSaves program, sponsored by the state's electric and gas utilities. These include rebates for air sealing and adding insulation that meets specific R-value targets. Additionally, the federal Inflation Reduction Act offers tax credits for qualified energy efficiency upgrades, making insulation projects in Keene more affordable.

3When is the ideal time of year to schedule insulation work in the Monadnock Region?

The best time is late summer through early fall (August-October). This allows work to be completed before winter sets in, so your home is prepared for the heating season. It also avoids the peak summer humidity, which can affect certain insulation materials, and the deep cold of winter, which can make attic work uncomfortable and less efficient.

4How do I choose a reputable insulation contractor in the Keene area?

Always choose a contractor who performs a thorough energy audit or assessment first, using tools like a blower door test. Verify they are licensed and insured in New Hampshire, and ask for local references from projects in Cheshire County. A reputable provider will also be well-versed in the NHSaves program to help you secure rebates.

5My energy bills are high, but I'm concerned about moisture and mold with more insulation. What should I know?

This is a vital concern in our humid summers and cold winters. Proper air sealing is the first step to prevent warm, moist indoor air from reaching cold surfaces where it can condense. A qualified Keene contractor will assess your attic and crawl space ventilation to ensure it meets NH building codes, creating a system that improves comfort without trapping moisture.