The Best Insulation Contractors in Washington, NJ

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

#1

All Seasons Insulation

4.8
(180 reviews)
Verified

A leading regional insulation contractor known for comprehensive home performance services. They specialize in both new installation and retrofits, with a strong focus on improving home energy efficiency and comfort using advanced materials and techniques.

425 Route 57, Ste 12, Washington, NJ 07882

Specialties & Features

Spray foam insulation
Blown-in insulation
Energy efficiency audits

Business Information

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

Greenhous Energy Solutions

4.7
(120 reviews)
Verified

This company combines insulation services with whole-home energy solutions. They are well-regarded for their diagnostic approach, using blower door tests and thermal imaging to identify air leaks and insufficient insulation before proposing solutions.

22 Brass Castle Road, Washington, NJ 07882

Specialties & Features

Air sealing services
Attic insulation installation and upgrade
Insulation removal and replacement

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Tri-State Spray Foam & Insulation

4.6
(95 reviews)
Verified

As the name implies, this provider is a specialist in spray foam applications but also offers a full suite of other insulation services. They are praised for their expertise in complex projects, including cathedral ceilings, crawl spaces, and basement rim joists.

78 Belvidere Ave, Washington, NJ 07882

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Wall insulation services

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Washington

The insulation market in and around Washington, New Jersey, is characterized by a mix of local specialized contractors and larger regional players who service the area. Due to the town's location in a climate zone with cold winters and hot, humid summers, there is strong demand for high-performance insulation to manage heating and cooling costs. The market competition is moderate, with a focus on quality and expertise over low-cost options. Homeowners are increasingly aware of energy efficiency and available rebates, driving demand for services like air sealing and spray foam. Typical pricing is competitive with the broader New Jersey market; for example, attic blown-in cellulose can range from $1,500 - $2,500, while spray foam projects often start at $2,500 and can exceed $10,000 for whole-home applications. Most reputable contractors are licensed, insured, and familiar with New Jersey's building codes and utility rebate programs, such as those from New Jersey's Clean Energy Program.

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 Washington regulations and climate

Frequently Asked Questions About Insulation in Washington

Get answers to common questions about insulation services in Washington, New Jersey.

1What is the best type of insulation for my home in Washington, NJ, given our local climate?

For Washington's humid summers and cold winters, a combination of air sealing and high-performance insulation is key. We typically recommend spray foam for its superior air barrier and high R-value per inch, especially in attics and crawl spaces, or dense-packed cellulose for existing wall cavities. The goal is to manage both temperature extremes and moisture, which is crucial in New Jersey's climate to prevent mold and ensure year-round comfort.

2How much does insulation installation typically cost for a home in Warren County?

Costs vary based on home size, insulation type, and areas treated, but for a standard attic in Washington, NJ, homeowners can expect to invest between $1,500 to $4,000. Spray foam is at the higher end, while blown-in fiberglass or cellulose is more budget-friendly. It's important to get a detailed, in-home assessment from a local contractor, as prices can be influenced by New Jersey's higher labor and material costs compared to national averages.

3Are there any New Jersey-specific rebates or incentives for upgrading my home's insulation?

Yes, New Jersey's Clean Energy Program (NJCEP) offers significant rebates for insulation upgrades that improve home performance. Additionally, the federal Inflation Reduction Act provides tax credits for qualified energy efficiency improvements. A reputable Washington-area insulation contractor will be familiar with these programs and can often help you navigate the application process to maximize your savings.

4When is the best time of year to have insulation installed in my home?

While insulation can be installed year-round, the ideal times in Washington are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for projects like attic work. Scheduling during these shoulder seasons also ensures your home is prepared for both summer heat and winter cold, and you'll avoid the busy peak summer and winter rush for contractors.

5What should I look for when choosing an insulation contractor in the Washington, NJ area?

Always verify the contractor is licensed and insured in New Jersey. Look for companies with specific experience in our climate and ask for local references in Warren County. A trustworthy provider will perform a thorough energy audit or assessment before quoting, explain how their solution addresses local moisture concerns, and provide clear details on warranties for both materials and labor. Avoid contractors who give quotes over the phone without seeing the project.