The Best Insulation Contractors in Newton, NH

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

#1

Four Seasons Insulation

4.8
(180 reviews)
Verified

A highly-rated, family-owned and operated insulation specialist serving Southern NH and the Seacoast. They are known for their professionalism, expertise in high-performance building techniques, and focus on customer education. They offer comprehensive energy solutions from audits to installation.

12 Industrial Drive, Exeter, NH 03833 (Serves Newton, NH)

Specialties & Features

Spray foam insulation
Blown-in cellulose
Air sealing services

Business Information

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

Unity Home Insulation

4.7
(150 reviews)
Verified

Unity specializes in creating comfortable, energy-efficient homes through advanced insulation and air sealing. They are a Building Performance Institute (BPI) certified company, which underscores their commitment to scientific home performance and energy audits. They are often recommended for complex insulation upgrades and retrofit projects.

8 Commerce Way, Plaistow, NH 03865 (Serves Newton, NH)

Specialties & Features

Energy efficiency audits
Insulation removal and replacement
Basement and crawl space insulation

Business Information

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

A1 Insulation

4.6
(120 reviews)
Verified

A1 Insulation is a well-established contractor known for reliable service and a wide range of insulation options. They cater to both residential and commercial clients and are particularly adept at handling standard attic and wall insulation projects efficiently and effectively. They provide clear quotes and are knowledgeable about local utility rebates.

25 River Road, Haverhill, MA 01835 (Serves Southern NH, including Newton)

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Blown-in insulation installation

Business Information

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

Why These Are the Top Insulation Contractors in Newton

** The insulation market serving Newton, NH, is characterized by a high level of quality and specialization, driven by New England's climate and the region's focus on energy efficiency. As a smaller town, Newton itself does not host a high density of dedicated insulation contractors; therefore, the market is dominated by established companies from nearby hubs like Exeter, Plaistow, and the Southern NH/North Shore MA area. Competition is strong among these regional players, leading to robust service offerings and expertise. Homeowners in Newton benefit from contractors who are well-versed in New Hampshire's building codes and the specific challenges of insulating older New England homes. Many providers are BPI certified and partner with programs like NHSaves, which facilitates access to rebates and energy audits. Typical pricing is competitive but reflects the high skill level; for example, attic air sealing and blown-in insulation can range from $1,500 to $4,000+, while full spray foam applications are a premium service costing several thousand dollars more. Overall, the market provides Newton residents with access to professional, high-quality insulation services crucial for comfort and reducing heating 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 Newton regulations and climate

Frequently Asked Questions About Insulation in Newton

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

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

For the historic and older homes common in Newton, dense-pack cellulose or spray foam insulation are often the best solutions for retrofitting walls and attics. These materials effectively fill irregular cavities and provide a strong thermal barrier against New Hampshire's harsh winter climate, where temperatures frequently drop below freezing. Proper air sealing in conjunction with insulation is critical to prevent drafts and ice dams, which are common concerns in our region.

2How much does attic insulation typically cost for a home in Newton, and are there any local rebates?

In the Seacoast New Hampshire area, including Newton, attic insulation costs typically range from $1,500 to $4,000+, depending on the square footage, existing conditions, and material chosen (e.g., blown-in cellulose vs. spray foam). Homeowners should check for rebates from New Hampshire's NHSaves program, which often provides incentives for adding insulation, and also inquire with their local utility, Unitil, for any additional offers to help offset the investment.

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

The best time is during the drier months of late spring, summer, and early fall. This allows for optimal conditions for air sealing and for insulation materials to cure properly. Scheduling in the off-peak seasons (spring/fall) can also be advantageous to secure a quicker appointment before the pre-winter rush, when local contractors are in highest demand as homeowners prepare for the cold.

4What should I look for when choosing a local insulation contractor in the Newton area?

Prioritize contractors who are licensed and insured in New Hampshire and have specific experience with homes in our climate zone. Ask for local references in neighboring towns like Plaistow or Kingston and verify they perform a comprehensive energy assessment (often a blower door test) to identify air leaks, not just insulation placement. A reputable provider will also be knowledgeable about state building codes and the NHSaves program paperwork.

5My energy bills are high, but how do I know if my Newton home actually needs new insulation?

Common local signs include uneven heating, cold drafts, ice dams forming on the roof edge in winter, and excessively hot upstairs rooms in summer. You can also check your attic floor; if the insulation is level with or below the attic floor joists, it's likely insufficient for New Hampshire's recommended R-49 level for attics. A professional energy audit is the best first step to pinpoint specific deficiencies in your home's thermal envelope.