The Best Insulation Contractors in Kingston, NH

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

#1

A-Plus Insulation & Home Performance

4.8
(180 reviews)
Verified

A highly-rated, full-service insulation and home performance contractor known for comprehensive energy solutions. They specialize in both new installations and upgrades for existing homes, with a strong focus on air sealing and improving overall home efficiency. They are Building Performance Institute (BPI) certified and well-versed in local utility rebates.

19 Old Dover Rd, Rochester, NH 03867 (Serves Kingston and the Seacoast region)

Specialties & Features

Spray foam insulation
Blown-in insulation
Energy efficiency audits

Business Information

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

Granite State Insulation

4.7
(120 reviews)
Verified

A dedicated insulation contractor with a strong reputation for professional wall and attic services. They offer a wide range of insulation types, including cellulose, fiberglass, and spray foam. They are known for thorough insulation removal and replacement projects and are familiar with the specific needs of older New England homes common in the Kingston area.

8 Industrial Dr, Unit 10, Hampstead, NH 03841 (Serves Southern NH and the Seacoast, including Kingston)

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Insulation removal and replacement

Business Information

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

New England Backyard Living (Insulation Division)

4.6
(90 reviews)
Verified

While known for outdoor living spaces, their dedicated insulation division has built a solid reputation for basement, crawl space, and attic work. They excel at creating conditioned spaces in previously uninsulated areas, which is crucial for New Hampshire homes. They provide clear quotes and are knowledgeable about moisture control in basement applications.

18 Portwalk Pl, Portsmouth, NH 03801 (Actively serves the Seacoast region and towns like Kingston)

Specialties & Features

Basement and crawl space insulation
Air sealing services
Blown-in insulation installation

Business Information

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

Why These Are the Top Insulation Contractors in Kingston

The insulation market in Kingston, NH, is characterized by high-quality, regional specialists rather than a high volume of local, in-town competitors. As a New England town with a mix of historic and modern homes, the demand is strong for energy efficiency upgrades, air sealing, and basement/crawl space insulation to combat harsh winters. The competition level is moderate but consists of established, reputable firms. Homeowners are generally well-informed and seek out providers with specific certifications (like BPI) and knowledge of rebates from providers like NH Saves. Typical pricing is competitive with the broader New England region; for example, attic blown-in insulation can range from $1,500 to $4,500, and spray foam applications are a premium service, often costing several thousand dollars depending on the scope. The overall market quality is high, with contractors demonstrating significant expertise in managing the challenges presented by the local climate and building styles.

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 Kingston regulations and climate

Frequently Asked Questions About Insulation in Kingston

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

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

For Kingston's climate (Zone 5), achieving a high R-value is critical. In older homes with existing walls, dense-pack cellulose or blown-in fiberglass are often the best solutions as they can be installed without major demolition, effectively filling cavities and reducing air infiltration. For attics, adding blown-in cellulose over existing insulation is highly effective and cost-efficient for our long heating season.

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, which is funded by the state's utility companies. These include rebates for air sealing and adding insulation that meet specific performance standards. It's crucial to use a participating NHSaves contractor who will perform a pre- and post-installation assessment to verify eligibility and maximize your savings.

3When is the best time of year to schedule insulation work in Kingston?

While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather in Kingston, which is important for certain applications like spray foam, and they come before the peak winter demand. Scheduling during these shoulder seasons often provides better availability and ensures your home is sealed before the harsh winter sets in.

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

Always verify that the contractor is licensed and insured in New Hampshire. Look for local companies with strong references in Rockingham County and ask if they are a participating NHSaves contractor, which requires specific training. A reputable provider will offer a detailed, in-home assessment and explain the recommended R-values for our climate, rather than just giving a generic quote over the phone.

5My house feels drafty. Should I focus on adding more insulation or on air sealing first?

In Kingston, where winter winds can be biting, air sealing is the essential first step. Adding insulation without sealing leaks is like wearing a sweater unzipped; cold air still infiltrates. A professional energy audit or assessment will identify key leakage points (attic hatches, rim joists, around windows/doors). Sealing these areas provides immediate comfort improvements and makes any added insulation far more effective.