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Verified Reviews for Insulation Service pros in Honolulu, HI

*The Angi rating for Insulation Service companies in Honolulu, HI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

*The HomeAdvisor rating for Insulation Service companies in Honolulu, HI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

Last update on December 13, 2025

Find Insulation pros in Honolulu

Avatar for H Drywall, LLC

H Drywall, LLC

4.98(
65
)
•Approved Pro

H Drywall, LLC

4.98(
65
)
•Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
173 local quotes requested

I have over 30 years experience in my trade, in business for over 20 of those years. Check are accepted. Time and material is available as well. 1099's accepted for tax purposes. I have insurance up to $1,000,000 for property damage. Lic # C-35480

"Harry and his crew were efficient, courteous and respectful of our home and property. They showed up on time, did their work, and cleaned up perfectly. A pleasure to do business with this company. Thank you, Harry & your hard-working crew."

J N on December 2025

I have over 30 years experience in my trade, in business for over 20 of those years. Check are accepted. Time and material is available as well. 1099's accepted for tax purposes. I have insurance up to $1,000,000 for property damage. Lic # C-35480

"Harry and his crew were efficient, courteous and respectful of our home and property. They showed up on time, did their work, and cleaned up perfectly. A pleasure to do business with this company. Thank you, Harry & your hard-working crew."

J N on December 2025

Avatar for Tasha & Richard quality insulation

Tasha & Richard quality insulation

No reviews yet

Tasha & Richard quality insulation

No reviews yet
19 years of experience

I am capable of finishing jobs with quality work ethics. My accountability is number one when it comes to my customers services. My quality and reliability for customers is reasonable.

I am capable of finishing jobs with quality work ethics. My accountability is number one when it comes to my customers services. My quality and reliability for customers is reasonable.

Avatar for NS Air Conditioning Inc

NS Air Conditioning Inc

5.00(
4
)

NS Air Conditioning Inc

5.00(
4
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We specialize in residential and commercial Ventilation and Air Conditioning services, repairs, & installation. Call or click for your quote today!

"Recently installed an AC system on a property. NS Air is very reasonable and very professional. I highly recommend this company. They do outstanding work."

Keoki K on March 2024

We specialize in residential and commercial Ventilation and Air Conditioning services, repairs, & installation. Call or click for your quote today!

"Recently installed an AC system on a property. NS Air is very reasonable and very professional. I highly recommend this company. They do outstanding work."

Keoki K on March 2024

Avatar for Building Science LLC

Building Science LLC

5.00(
6
)

Building Science LLC

5.00(
6
)
Customers say: Super punctual
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Thanks for visiting our page! We are happy to help with your home project. ABOUT US: At Building Science LLC, our goal is to not only help you build your dream home or renovate your property, but to make the process easy for you. We are a full-service design/build company with a wide range of experience. We can help you with all phases of new home construction or remodeling. We believe the whole house matters and deliver on all phases and components of a project. Our excellent reputation and long list of satisfied clients attest to our superior craftsmanship, attention to detail, clear communication, honesty and integrity. Just ask for our client reference list. Let's discuss your ideas! Check us out on facebook at https://www.facebook.com/BuildingSciencellc/ and also our website at http://buildingsciencehawaii.com

Thanks for visiting our page! We are happy to help with your home project. ABOUT US: At Building Science LLC, our goal is to not only help you build your dream home or renovate your property, but to make the process easy for you. We are a full-service design/build company with a wide range of experience. We can help you with all phases of new home construction or remodeling. We believe the whole house matters and deliver on all phases and components of a project. Our excellent reputation and long list of satisfied clients attest to our superior craftsmanship, attention to detail, clear communication, honesty and integrity. Just ask for our client reference list. Let's discuss your ideas! Check us out on facebook at https://www.facebook.com/BuildingSciencellc/ and also our website at http://buildingsciencehawaii.com

Solar Wolf Energy

2.00(
2
)

Solar Wolf Energy

2.00(
2
)
10 years of experience

Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!

Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!

Avatar for Building Energy Group

Building Energy Group

No reviews yet

Building Energy Group

No reviews yet
26 years of experience

Skylights and Solar Hot Water sales, service and installation. Building Energy Group is on the Hawaii Energy approved list of installers and is a Velux 5-star approved installation company.

Skylights and Solar Hot Water sales, service and installation. Building Energy Group is on the Hawaii Energy approved list of installers and is a Velux 5-star approved installation company.

ECO Construction services

No reviews yet

ECO Construction services

No reviews yet
26 years of experience

SR Construction- With 20 years experience fully tooled, I offer Carpentry, Contracting & Project Management services. General Contracting with history of building rapport & references from colleagues. I have knowledge and skill in the areas of project evaluation & design, proposals, contracts. I am well versed in proper application of state codes. Strong on island references are available by request.

SR Construction- With 20 years experience fully tooled, I offer Carpentry, Contracting & Project Management services. General Contracting with history of building rapport & references from colleagues. I have knowledge and skill in the areas of project evaluation & design, proposals, contracts. I am well versed in proper application of state codes. Strong on island references are available by request.

Showing 1-10 of 26
Insulation questions, answered by experts

Insulation projects in Honolulu help maintain steady indoor temperatures, reduce humidity, and limit outside noise—crucial for homes exposed to sun and coastal winds. Quality insulation also helps prevent mold and improves indoor air quality, making living spaces healthier and more enjoyable. With better attic insulation and moisture management, you’ll notice less strain on cooling systems and more consistent comfort throughout your home.

Helpful?

Homes in Honolulu with single-wall construction, older windows, or metal roofing often benefit most from insulation upgrades. If you notice uneven temperatures, persistent indoor humidity, or frequent use of air conditioning, your home likely lacks proper insulation. A professional assessment can check for gaps in attic insulation, wall coverage, and ventilation, ensuring your home is ready for improved energy efficiency and comfort.

Helpful?

Upgrading insulation in Honolulu can make your home more attractive to buyers by improving energy efficiency and indoor comfort—key selling points in HI’s climate. Enhanced attic or wall insulation signals proactive maintenance and can set your property apart. Keep documentation of completed work, permits, and any energy savings to demonstrate value and reassure potential buyers about your home’s long-term performance.

Helpful?

In Honolulu, closed-cell spray foam and rigid foam boards are top choices for insulation because they create a strong thermal barrier and resist moisture intrusion. Reflective radiant barriers work well in attics to deflect intense sunlight. Fiberglass batts with vapor barriers and treated cellulose are also effective, provided they address humidity and pest concerns. Always prioritize materials that prevent mold and withstand HI’s coastal climate.

Helpful?

In Honolulu, be cautious of insulation contractors who skip an on-site evaluation or offer vague project details. Avoid those who overlook attic ventilation, moisture control, or recommend materials unsuitable for HI’s humidity. Lack of insurance, unclear timelines, or missing written warranties are warning signs. Always request references from local projects and ensure the contractor addresses the unique climate challenges your home faces.

Helpful?

The Honolulu, HI homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.

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