Top 5 Solar Hot Water Heater Systems for Hawai’i

author of solar hub

Tyson Hunter

Published January 2nd, 2025

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When it comes to sustainable energy solutions, Hawai’i residents are leading the way. With year-round sunshine and a focus on eco-friendly living, solar water heaters are an excellent choice for households across the islands. 

Here Are The Solar Hot Water Brands We'll Cover

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1. SunEarth Solar Hot Water Heaters

SunEarth has been a trusted name in solar technology for decades, and their solar hot water heaters are no exception.

Specifically designed for tropical climates like Hawai’i, SunEarth systems are renowned for their durability, efficiency, and seamless performance.

SunEarth features:

  • Proven performance in high-humidity and coastal environments.

  • A wide range of system sizes to fit every household.

  • High-quality, corrosion-resistant materials built to withstand salt air.

Whether you’re looking to save on energy bills or reduce your carbon footprint, SunEarth offers an unbeatable combination of reliability and eco-conscious design.

2. Rheem Solar Water Heating Systems

Rheem is a household name for heating solutions, and their solar water heaters deliver on their reputation for quality.

With a focus on innovation and user-friendly installation, Rheem’s solar systems are a solid choice for homeowners.

Rheem features:

  • Integrated electric backup for cloudy days.

  • Efficient heat transfer technology.

  • Sleek, modern design.

While Rheem systems may require slightly more maintenance in tropical climates, their performance and versatility make them a popular choice.

3. Heliodyne Solar Water Heating Systems

Heliodyne specializes in advanced solar thermal technology, offering systems that maximize energy capture and storage.

Their compact and efficient designs make them ideal for homes with limited roof space.

Heliodyne Features:

  • Precision-engineered flat plate collectors.

  • Exceptional energy efficiency.

  • Comprehensive warranty coverage.

With Heliodyne, you’re investing in cutting-edge solar technology that can adapt to Hawai’i’s diverse microclimates.

4. AO Smith Solar Water Heaters

AO Smith offers a range of affordable and reliable solar water heating solutions.

Their systems are especially appealing for budget-conscious homeowners who don’t want to compromise on quality.


AO Smith Features:

  • Competitive pricing.

  • Reliable performance with built-in backup systems.

  • Strong customer support network.

AO Smith’s straightforward designs and affordability make them a great entry point for solar enthusiasts.

5. Solarhart Water Heaters

Solarhart has been a global leader in solar water heating for decades.

Their products are designed to thrive in a variety of climates, including Hawai’i’s sunny yet challenging coastal environment.

Solarhart features:

  • Durable, weather-resistant construction.

  • Direct and indirect heating options.

  • High thermal efficiency.

Solarhart’s proven track record and long-lasting performance ensure peace of mind for homeowners looking to invest in solar.

Why Choose a Solar Water Heater?

Switching to a solar water heater is a smart investment for Hawai’i residents.

Not only can you significantly reduce your electricity bills, but you’ll also be contributing to a more sustainable future by harnessing the sun’s free energy. Plus, many solar water heaters qualify for federal and state tax credits, making them even more cost-effective.

Take the Next Step


Ready to make the switch?

Find out which solar water heater system is best for your home by taking our Solar Water Heater Survey. 

It’s quick, easy, and free. Complete the survey today to get a personalized quote and start your journey to sustainable living!

Solar Hot Water Survey

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What Does Your Water Heater Need?

The maintenance package includes:

  • Water Tank Flush

  • Anode Check

  • Computer Check

  • Pump Check

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