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Water Heating

Get an energy-efficient water heater and get cash back.

Your home’s largest energy consumer is your electric water heater. When you switch to more energy-efficient options, you can save about 35% on your electric bill. What’s more, with Hawaii Energy’s rebate combined with state and federal tax credits, you can save nearly 70% on the system purchase price in the first year.


Solar Water Heating

For families of 3 or more, installing a solar water heater in your home is the best way to save money on your electric bill. To get started, select one of our Participating Contractors and ask about Hawaii Energy’s $1,000 rebate.

Participating Contractors Learn more


Hot Water, Cool Rates

Our Solar Water Heating Interest Loan Buy-Down Offer

Need help financing your solar water heating system? Hawaii Energy can help you through our solar interest buy-down offer called “Hot Water, Cool Rates.” You’ll work with a Participating Lender and pay minimal upfront costs as well as 0% or lower interest rates.

Learn more


Heat Pump Water Heater

For families with less than 3 people, consider installing an ENERGY STAR® heat pump water heater and get a $200 rebate.

Download Rebate Application

Where Does Your Hot Water Go?

Where Does Your Hot Water Go?

Typical U.S. homeowner’s water consumption by place of use

Source: energystar.gov