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Affordable Clean Energy For No Money Down!

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Kauai’s Solar Energy & Roofing Specialists

STI SOLAR, a division of the Solar Training Institute–a leading training provider founded in 2008–is a unique solar company that specializes in professional installation services for residential and commercial solar energy systems. With a focus on continuous training and customer service, we bring affordable, high-quality solar systems to our customers. 

NOW is the time to make the move to solar.

With an STI SOLAR Energy System, homeowners can save thousands and take control of their energy needs. Our mission is to provide electricity at the lowest possible cost through systems that are designed and installed to generate the most power per panel. With lower installation costs, strong government incentives, increasing energy costs and our solar financing programs, you can now take charge of your energy needs. STI SOLAR makes it affordable and easier than ever to make the switch to solar energy for your home.

Solar Photovoltaic (PV) Systems

STI Solar has installed over 250 PV systems on Kauai and each month more and more home owner choose STI. As one of the largest installers on the island, we have many satisfied customers.

Solar Photovoltaic (PV) Systems

STI Solar has installed over 250 PV systems on Kauai and each month more and more home owner choose STI. As one of the largest installers on the island, we have many satisfied customers.

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Sun Bandit® Solar PV Hot Water Heater

In Hawaii heating water accounts for a large proportion of energy costs and uses more energy than most appliances in the home. This is why many homeowners switch to solar – it saves about $100 or more for the average household.

Sun Bandit® Solar PV Hot Water Heater

In Hawaii heating water accounts for a large proportion of energy costs and uses more energy than most appliances in the home. This is why many homeowners switch to solar – it saves about $100 or more for the average household.

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Solar Split Air Conditioning & Attic Fans

The SolAir World Hybrid Solar A/C System is powered straight from the sun. No utility approval is required so installation can be immediate. Start saving right away and cool for less.

Solar Split Air Conditioning & Attic Fans

The SolAir World Hybrid Solar A/C System is powered straight from the sun. No utility approval is required so installation can be immediate. Start saving right away and cool for less.

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Expert Roofing Services

Your roof needs to replaced on average every 20 years. On Kauai, we have extreme elements like constant wind and rain that can decrease its useful life. In order to fully protect your home, you need a complete roofing system that has a waterproof barrier so no leaks occur and stands up nature’s elements.

Expert Roofing Services

Your roof needs to replaced on average every 20 years. On Kauai, we have extreme elements like constant wind and rain that can decrease its useful life. In order to fully protect your home, you need a complete roofing system that has a waterproof barrier so no leaks occur and stands up nature’s elements.

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We offer $0 Money Down for all of our services!

We offer the industry’s leading financial options for your solar systems
and new roof including leases, loans, and PPAs.

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WE SUPPORT

STI Solar supports local community outreaches, such as the Boys & Girls Club, The Rotary Club, and the Aloha Angels. We love giving back to the community and empowering the lives of others.

Customer Testimonials

“STI Solar delivers an amazing experience for all your solar needs. It starts with dedicated time explaining the how and why of what would be done and the different possibilities, maintained communication thru the permitting and installation process, owner personally validated quality of work and they followed-up after system startup to ensure everything was working. Overall a wonderful experience where we felt great about our decision to install solar and the company we chose. We have already referred STI Solar to several friends.”

“We are extremely satisfied with our solar system from STI Solar. The team was very knowledgeable, kept us informed, cleaned the worksite each day and maintained a friendly demeanor even with my dog barking at them every time they passed the back door. We will definitely recommend STI Solar to our friends and family. Mahalo.”

“Mahalo to STI Solar for our solar PV and solar hot water systems. My wife and I were very pleased with their professionalism and customer service. They did what they said they would do and more. They offer a great value and their finance programs are really saving us a lot of money on our energy bills. Nice to see professional contractors like STI on Kauai. We will be referring them to our friends and business colleagues at our real estate office.”

CERTIFIED INSTALLERS

OUR INSTALLERS HAVE PASSED NABCEP CERTIFICATION TRAINING

STI SOLAR, a division of the Solar Training Institute, is the ONLY full service solar company whose installation teams are professionally trained and have completed the NABCEP certification training program. Most companies hire people without experience and train them “on the roof.” Organized, certified training of solar workers ensures a better product, and a safer and more reliable installation of your PV system.

BECOME AN STI REFERRAL PARTNER

Get Paid for Each Successful Referral!

Become a STI Solar Partner today and start earning cash by simply referring your friends. When a friend, family member or colleague signs up for solar or roofing, you will receive the STI Solar Partner referral bonus.

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