HI Power Solar, Roofing & HVAC
Residential
Solar Water Heater Services
In Hawaii, where the sun blesses us with abundant warmth year-round, relying on an electric water heater is like throwing money out the window. At Hi-Power Solar, Roofing & HVAC, we offer a smarter, more sustainable, and significantly more cost-effective solution: advanced solar hot water heater systems. Imagine consistent, comfortable hot water for your family, fueled by the very sunshine that makes our islands so special – all while drastically cutting your utility bills.
Stop pouring money down the drain with expensive electric hot water. Embrace the abundant power of the Hawaiian sun with a high-quality solar hot water heater from Hi-Power Solar, Roofing & HVAC. Contact us today for a free estimate and start enjoying endless hot water and endless savings.
Serving Residents and Businesses of Oahu for Over 40 years
Premium Equipment & Installation: We partner with leading manufacturers to provide durable, high-efficiency solar panels and inverters built to withstand Hawaii’s climate. Our certified technicians ensure a seamless and safe installation, adhering to the highest industry standards.
Energy Independence & Savings: Say goodbye to unpredictable utility bills. By generating your own power, you can significantly reduce or even eliminate your monthly electricity costs, enjoying predictable energy expenses for decades to come.
Increased Property Value: A professionally installed solar PV system is a significant home improvement that can boost your property’s value and appeal.
Save Money With Solar Water Heaters From HI-Power Solar, Roofing & HVAC
Heating water is typically the second-largest energy expense for most Hawaiian households, accounting for a significant portion of your electric bill. By switching to solar hot water, you tap into a free and limitless energy source, transforming a major household cost into a substantial saving.
Here’s why homeowners across Oahu are choosing Hi-Power for their solar hot water needs:

- Dramatic Energy Bill Savings: Our solar hot water systems can reduce your water heating costs by up to 50-80%! That’s hundreds, even thousands of dollars saved annually that can be better spent enjoying paradise. These savings become even more impactful as electricity rates continue to fluctuate.
- Constant, Reliable Hot Water: You might think solar means less hot water on cloudy days, but our advanced systems are designed for Hawaii’s climate. With efficient collectors and well-insulated storage tanks, you’ll have a consistent supply of hot water, even during periods of lower sunlight. Plus, backup heating elements ensure you’re never without hot water, no matter the weather or demand.
- Eco-Friendly Living, Hawaiian Style: By harnessing the sun’s clean energy, you significantly reduce your home’s carbon footprint. This commitment to renewable energy not only benefits your wallet but also contributes to a healthier environment for our islands, aligning with Hawaii’s ambitious clean energy goals.
- Increased Property Value: A solar hot water system is a valuable upgrade that enhances your home’s appeal and market value. Prospective buyers in Hawaii increasingly prioritize energy-efficient homes, and a modern solar hot water system is a clear indicator of a forward-thinking, sustainable property.
- Built for Hawaii’s Climate: We understand the unique challenges and opportunities of our tropical environment. Our chosen solar hot water technologies are specifically selected for their durability, efficiency, and longevity in Hawaii’s heat and humidity, ensuring your system performs optimally for decades.

We Understand Local Needs
As a family-owned and operated company with decades of experience serving the Hawaiian Islands, Hi-Power Solar, Roofing & HVAC is your trusted partner for all things solar. When it comes to solar hot water heaters, we offer:
- Expert Consultation & Custom Design: We don’t believe in one-size-fits-all solutions. Our team will assess your household’s hot water usage, roof characteristics, and specific needs to design a perfectly sized and optimized solar hot water system for your home.
- High-Performance Systems: We partner with leading manufacturers known for their quality and innovation in solar thermal technology. This ensures you receive a robust, efficient system built to last and maximize your savings.
- Professional Installation & Integration: Our licensed and certified technicians handle every aspect of the installation with precision and care, ensuring seamless integration with your existing plumbing and a watertight seal on your roof.
- Reliable Maintenance & Repair: From routine check-ups to prompt repairs, our dedicated team is here to ensure your solar hot water system operates at peak efficiency for its entire lifespan.
- Navigating Incentives Made Easy: Hawaii offers fantastic incentives for solar hot water! Our experts are well-versed in the latest federal tax credits (currently up to 30% of the cost with no cap) and Hawaii State tax credits (up to 35% of the cost or $2,250, whichever is less). We’ll help you identify and apply for all eligible rebates and loan programs, making your transition to solar hot water even more affordable. For example, Hawaii Energy currently offers an enhanced $2,000 rebate for solar water heating on Oʻahu (as of July 2025).








