The Best Insulation Contractors in Rochester, NH

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

#1

Allied Insulation

4.8
(150 reviews)
Verified

A leading regional insulation contractor known for comprehensive home performance services. They specialize in both residential and commercial projects, offering a full suite of insulation solutions from spray foam to blown-in cellulose. Their strengths include detailed energy audits and leveraging available rebate programs.

18C Cate St, Dover, NH 03820 (Serves Rochester and the Seacoast region)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

Drywall & Insulation Services

4.7
(80 reviews)
Verified

A well-established local contractor with a focus on both insulation and drywall, ensuring a seamless process for renovation and new construction projects. They are praised for their expertise in attic insulation upgrades and crawl space encapsulation, with strong knowledge of local building codes.

16C Old Dover Rd, Rochester, NH 03867

Specialties & Features

Attic insulation installation
Blown-in insulation
Basement and crawl space insulation

Business Information

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

Granite State Insulation

4.6
(100 reviews)
Verified

Serving all of New Hampshire, this provider has a strong reputation for professional installation and customer service. They offer a wide range of insulation types and are particularly skilled in insulation removal and replacement projects, helping homeowners improve comfort and lower energy bills.

Serves statewide from a central location (Rochester is within their primary service area)

Specialties & Features

Insulation removal and replacement
Wall insulation services
Blown-in insulation installation

Business Information

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

Why These Are the Top Insulation Contractors in Rochester

The insulation market in Rochester, NH, is characterized by a mix of a few highly specialized local contractors and several strong regional providers that serve the broader Seacoast and Southern New Hampshire area. The competition is moderate but healthy, driving a focus on quality and customer service. The local housing stock includes many older homes, creating consistent demand for energy efficiency upgrades, air sealing, and insulation modernization. Typical pricing is competitive with regional averages, with project costs heavily dependent on the home's size and the insulation material chosen (e.g., spray foam is a premium option). Homeowners in the area have access to various state and utility-sponsored rebates (e.g., through NHSaves), and the most reputable contractors are proficient in navigating these programs for their clients.

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 Rochester regulations and climate

Frequently Asked Questions About Insulation in Rochester

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

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

For our cold climate, the "best" type depends on your home's structure and budget. For attics, blown-in cellulose or fiberglass is highly effective for achieving the recommended R-49 to R-60 levels. For walls, dense-pack cellulose is excellent for retrofits as it seals air leaks and provides strong thermal performance (R-13 to R-15 per inch), which is crucial for managing heating costs during our long, cold seasons.

2How much does insulation installation typically cost in the Rochester area?

Costs vary based on the insulation material, project size, and home accessibility. For a standard attic insulation upgrade to R-49, Rochester homeowners can expect a range of $1,500 to $3,500. Wall insulation projects are more variable but often range from $2,000 to $5,000+. It's wise to get multiple detailed quotes, as local providers understand the specific challenges of our older New England housing stock.

3When is the best time of year to add or upgrade insulation in my home?

The ideal time is late spring, summer, or early fall. This allows work to be completed comfortably before the harsh winter sets in, so your home is sealed and efficient when you need it most. Scheduling during these off-peak seasons can also provide better availability from local contractors. Avoid deep winter installations if possible, as attic work can be unsafe and less effective if done in extreme cold.

4Are there any local rebates or incentives for insulation in New Hampshire?

Yes, New Hampshire homeowners should first explore the "Home Energy Assistance" programs through NHSaves, which often include rebates for insulation upgrades that meet specific performance standards. Additionally, check with your local utility provider (like Eversource or Unitil) and the City of Rochester for any current initiatives. The federal Inflation Reduction Act also offers tax credits for qualified insulation projects.

5What should I look for when choosing an insulation contractor in Rochester?

Prioritize contractors who are licensed and insured in New Hampshire and have specific experience with our regional climate and older home styles. Ask for local references and proof of their work addressing common local issues like ice dams and moisture control. A reputable provider will perform a thorough energy audit or assessment first and should be knowledgeable about state building codes and the specific air-sealing needs for our area.