The Best Insulation Contractors in Jacksonville, NC

Compare the highest-rated insulation professionals in Jacksonville, North Carolina. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Coastal Energy Insulators & Specialties

4.8
(120 reviews)
Verified

A highly-rated, locally-owned and operated company specializing in comprehensive home insulation and energy efficiency solutions. They are known for their expertise in both residential and commercial projects, with a strong focus on the unique needs of Eastern North Carolina's climate, including humidity control for homes near the coast. Their team is praised for professionalism and detailed work.

113A Gillette Road, Jacksonville, NC 28540

Specialties & Features

Spray foam insulation
Attic insulation installation and upgrade
Crawl space encapsulation

Business Information

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

Koala Insulation of Eastern North Carolina

4.9
(80 reviews)
Verified

Part of a national brand with a strong local franchise, Koala Insulation emphasizes a wide range of services and a consultative approach. They are recognized for their thorough energy audits and expertise in both new installation and replacement of existing insulation. Their service area explicitly includes Jacksonville and the surrounding communities.

1291 Hargett St, Jacksonville, NC 28540

Specialties & Features

Blown-in insulation
Insulation removal and replacement
Energy efficiency audits

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

Green Energy of the Carolinas

4.7
(150 reviews)
Verified

While based in the larger nearby city of Wilmington, this company has a significant service area that comprehensively covers Jacksonville and is frequently hired for projects there. They have a strong reputation for high-performance building science solutions, including advanced air sealing and spray foam. They are often recommended for complex projects and whole-home energy upgrades.

2719 Enterprise Ave, Wilmington, NC 28405 (Serves Jacksonville)

Specialties & Features

Spray foam insulation
Air sealing services
Energy efficiency audits

Business Information

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

Why These Are the Top Insulation Contractors in Jacksonville

The insulation market in Jacksonville, North Carolina, is shaped by its status as a major military town (home to Camp Lejeune) and its humid, coastal climate. The housing stock includes a mix of older homes with outdated or insufficient insulation and newer constructions that sometimes benefit from modern energy codes. This creates a consistent demand for insulation upgrades, particularly for attic and crawl space solutions to combat moisture and high cooling costs. The competition level is moderate, with a handful of established local specialists and a few regional companies that serve the area from Wilmington or New Bern. The presence of a major military base means contractors are accustomed to working with specific requirements and timelines of military families. Pricing is generally competitive but can vary significantly based on the insulation material. As rough estimates: * **Blown-in Cellulose/Fiberglass:** $1.50 - $3.00 per sq. ft. * **Spray Foam (closed-cell):** $3.00 - $6.00 per sq. ft. * **Crawl Space Encapsulation:** $3,000 - $8,000+ Overall, the market offers quality options for homeowners seeking to improve comfort and energy efficiency, with a notable emphasis on solutions that address moisture control and resilience to the local weather conditions.

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 Jacksonville regulations and climate

Frequently Asked Questions About Insulation in Jacksonville

Get answers to common questions about insulation services in Jacksonville, North Carolina.

1What is the most cost-effective type of insulation for my Jacksonville home given our humid climate?

For our hot, humid summers and mild winters, spray foam insulation is often the most cost-effective long-term choice despite a higher upfront cost. It provides an excellent air and moisture barrier, which is critical for preventing mold and reducing the heavy load on your AC. For budget-conscious projects, blown-in cellulose in attics also performs very well and is a popular, effective option for many local homes.

2When is the best time of year to have insulation installed in Jacksonville, NC?

The ideal times are during the spring (March-May) and fall (September-November). These periods typically offer milder temperatures, making it more comfortable for contractors to work in your attic and allowing for proper curing of materials like spray foam. Scheduling during these shoulder seasons also helps you prepare your home's efficiency before the peak summer heat and humidity arrive.

3Are there specific local building codes or regulations in Jacksonville I need to be aware of for insulation?

Yes, insulation work must comply with the North Carolina Residential Code, which is based on the International Residential Code (IRC). Jacksonville and Onslow County enforce specific R-value requirements for different parts of your home. A reputable local contractor will pull any necessary permits and ensure the installation meets all code requirements for fire safety, vapor retarders, and minimum insulation levels for our climate zone.

4How do I choose a reliable insulation contractor in the Jacksonville area?

Always verify the contractor is licensed by the North Carolina Licensing Board for General Contractors. Look for companies with extensive local experience who can provide references from Jacksonville-area homes. They should offer a detailed, in-home assessment and be knowledgeable about dealing with our coastal humidity, common local pests, and the specific construction styles found in Eastern North Carolina.

5My energy bills are very high in the summer. Could insufficient attic insulation be the main cause?

Absolutely. In Jacksonville's climate, inadequate attic insulation is a primary culprit for soaring summer cooling costs. Heat radiates down from a hot attic, forcing your AC to work excessively. We recommend having a professional energy assessment to check your attic's current R-value; for our zone, the recommended level is R-38 to R-60. Upgrading attic insulation often provides the fastest return on investment for local homeowners.