The Best Insulation Contractors in Sussex, NJ

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

#1

GreenHomes America

4.8
(180 reviews)
Verified

A nationally recognized leader in home energy efficiency solutions with a strong local branch. They are highly regarded for their comprehensive home energy audits, which precisely identify areas for improvement. Their strength lies in providing a holistic approach, combining advanced insulation techniques with expert air sealing to maximize home comfort and energy savings.

Serving Sussex, NJ from their Northern NJ location.

Specialties & Features

Energy Efficiency Audits
Air Sealing Services
Blown-In Insulation

Business Information

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

NJ Energy Savers

4.7
(120 reviews)
Verified

A local New Jersey company that has built a strong reputation specifically for high-performance insulation installations. They are experts in modern materials like spray foam and are known for their knowledge of state and local energy rebate programs, helping homeowners offset project costs.

Servicing all of Sussex County and Northwest NJ.

Specialties & Features

Spray Foam Insulation
Basement and Crawl Space Insulation
Insulation Removal and Replacement

Business Information

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

Supreme Insulation Inc.

4.6
(90 reviews)
Verified

A well-established, family-owned contractor focusing on residential and commercial insulation throughout Northern New Jersey. They are praised for their professional crews, attention to detail, and expertise in all standard insulation types, making them a reliable choice for a wide range of insulation projects.

35 Roosevelt Ave, Denville, NJ 07834 (Serves Sussex area)

Specialties & Features

Attic Insulation Installation
Wall Insulation Services
Blown-In Cellulose

Business Information

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

Why These Are the Top Insulation Contractors in Sussex

The insulation market in and around Sussex, NJ, is characterized by a mix of long-standing local contractors and branches of larger regional companies. Due to the area's older housing stock and cold winters, there is consistent demand for insulation upgrades. The competition is moderate but specialized, with a focus on energy efficiency rather than just basic installation. Homeowners are generally well-served by providers who understand the specific needs of historic and modern homes in the region. Typical pricing is competitive with the broader Northern New Jersey market. As a rough guide: * **Blown-In Attic Insulation:** $1,500 - $3,500 * **Spray Foam Insulation (closed-cell):** $1.50 - $3.00 per board foot * **Whole-House Energy Audit:** $400 - $700 Many providers actively help customers navigate rebates from New Jersey's Clean Energy Program (NJCEP), which can significantly reduce the net cost of projects that improve home energy efficiency.

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 Sussex regulations and climate

Frequently Asked Questions About Insulation in Sussex

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

1What is the typical cost range for attic insulation in a Sussex, NJ home, and what factors influence the price?

For a typical Sussex home, attic insulation costs can range from $1,500 to $4,500, depending heavily on the square footage, the chosen material (like fiberglass batts, blown-in cellulose, or spray foam), and the existing R-value you need to achieve. New Jersey's climate zone (Zone 5) requires a high attic R-value of R-49 to R-60 for energy efficiency, which impacts material quantity and cost. Additional factors include the complexity of the attic space and whether old insulation needs removal.

2When is the best time of year to have insulation installed in Sussex?

While insulation can be installed year-round, the ideal times in Sussex are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is crucial for certain materials like spray foam that require specific temperature ranges for proper curing. Scheduling during these shoulder seasons also avoids the peak summer heat in the attic and the contractor backlog that often happens right before winter.

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

Yes, New Jersey homeowners have excellent opportunities. The primary program is through the New Jersey Clean Energy Program (NJCEP), which offers rebates for air sealing and adding insulation to meet specific performance standards. Additionally, Sussex County residents served by Sussex Rural Electric Cooperative or other utilities may have access to additional incentives. It's crucial to work with a contractor registered as a "Home Performance with ENERGY STAR" partner to qualify.

4How do I choose a reputable insulation contractor in Sussex County?

First, ensure the contractor is licensed and insured to work in New Jersey. Look for established local companies with strong reviews and specific experience in Sussex's older home stock, which may have unique challenges like stone foundations or knob-and-tube wiring. Always get multiple detailed, written estimates that specify the R-value, material type, and square footage. A reputable contractor will also perform an energy audit or assessment before recommending a solution.

5My Sussex home is older and has drafty stone walls. Can they be effectively insulated?

Yes, but it requires specialized techniques. For historic stone or masonry walls, interior solutions like installing rigid foam board or injecting dense-pack cellulose or foam insulation into wall cavities are common and effective methods used by local experts. It's vital to manage moisture, as stone walls need to breathe to prevent condensation damage. A qualified local contractor will assess your specific wall assembly to recommend a method that improves comfort without compromising the structure's integrity.