The Best Insulation Contractors in Koloa, HI

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

#1

Island Energy

4.8
(150 reviews)
Verified

Island Energy is a leading Hawaii-based company specializing in comprehensive home performance and energy efficiency solutions. They are widely recognized for their expertise in advanced insulation techniques and energy audits, making them a top-tier choice for homeowners seeking to reduce energy costs and improve comfort in Kauai's climate.

3115A Akahi St, Lihue, HI 96766 (Primary base for serving Kauai, including Koloa)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

Kauai Air Conditioning & Insulation

4.6
(80 reviews)
Verified

A well-established local contractor that has served Kauai for decades. They combine HVAC and insulation services, providing a holistic approach to home comfort. Their long history on the island ensures deep knowledge of local building practices and climate-specific needs.

3127 Kaana St, Suite #A, Lihue, HI 96766

Specialties & Features

Attic insulation installation and upgrade
Blown-in insulation
Insulation removal and replacement

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Kauai Insulation & Supply

4.3
(50 reviews)
Verified

This company operates both as a supplier of insulation materials to other contractors and as an installation service provider. This dual role can be advantageous for homeowners, potentially offering cost savings and direct access to materials. They handle a wide range of standard insulation projects.

3-3200 Kuhio Hwy, Lihue, HI 96766

Specialties & Features

Blown-in insulation installation
Wall insulation services
Basement and crawl space insulation

Business Information

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

Why These Are the Top Insulation Contractors in Koloa

** The insulation market in Koloa and on Kauai overall is specialized and moderately competitive, dominated by a handful of established local companies. The high cost of living and imported materials drive service prices significantly above the national average. Homeowners should expect premium pricing, but also a high level of expertise tailored to the unique Hawaiian environment, including high humidity, salt air, and the constant trade winds. The focus for local providers is heavily on energy efficiency and moisture control rather than extreme temperature management. Expertise in air sealing is particularly valuable to prevent conditioned, dehumidified air from escaping. There is a growing awareness of and interest in energy rebates available through Hawaiian Electric, and the top contractors are generally knowledgeable about these programs. Due to high demand and limited contractor availability, scheduling projects often requires advanced planning. The overall quality of service from the top providers is very high, as their longevity and reputations are essential for survival in a tight-knit island community.

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 Koloa regulations and climate

Frequently Asked Questions About Insulation in Koloa

Get answers to common questions about insulation services in Koloa, Hawaii.

1What type of insulation is most effective for homes in Koloa's warm, humid climate?

For Koloa's climate, the primary goals are blocking radiant heat and managing moisture. Reflective or radiant barrier insulation (often installed in attics) is highly effective for deflecting the intense sun, while closed-cell spray foam provides excellent thermal resistance and acts as a moisture and air barrier. It's also crucial to ensure proper ventilation in attics and crawl spaces to prevent mold growth, which is a common concern in Hawaii's humidity.

2How does the cost of insulation installation in Koloa compare to the mainland, and what factors influence the price?

Insulation costs in Koloa are typically higher than the U.S. national average due to the expense of shipping materials to the islands and limited local supplier competition. The final price is influenced by the insulation material chosen (e.g., spray foam vs. batt), the size and accessibility of your home's attic or walls, and the complexity of the job. Getting multiple quotes from licensed local contractors is the best way to understand the market rate for your specific project.

3Are there any local building codes or rebates in Kauai County I should know about before upgrading my insulation?

Yes, your project must comply with the Kauai County Building Code, which is based on the International Residential Code (IRC) with Hawaii-specific amendments. There are currently no widespread county-specific rebates, but you should always check with the Kauai Island Utility Cooperative (KIUC) for any available energy efficiency incentives or programs. Using a licensed C-5 (Sheet Metal) or C-43 (Insulation) contractor ensures code compliance.

4When is the best time of year to schedule insulation work in Koloa?

While insulation can be installed year-round, the drier months (typically April through October) are ideal. Scheduling during this period helps avoid potential delays from heavy rain, which is more common in the winter months. Furthermore, tackling the project before the peak of summer heat allows you to benefit from improved cooling efficiency and comfort during the hottest and most humid time of the year.

5My home has a single-wall construction common in older Hawaii homes. Can it be properly insulated?

Yes, single-wall homes can be insulated, but it requires specific techniques. The most common and effective method is to add insulated wall panels (like structural insulated panels - SIPs) to the exterior during re-siding, or to carefully inject dense-pack cellulose or spray foam into the wall cavities from the interior, which is a more invasive process. A qualified local contractor with experience in retrofitting older island homes can assess the best approach for your specific structure.