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 up to 40% on your electric bill.


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. 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. To get started, select one of our Participating Contractors and ask about Hawaii Energy’s $750 rebate. 

Participating Contractors

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Solar Water Heater Tune Up

Already have solar water heating? Proper maintenance is key to getting the maximum life and benefit out of your solar water heating system. Hawaii Energy recommends maintenance tune-ups for solar water heating systems every 3-5 years. Right now get an instant rebate of $100 when your tune up is completed by one of our participating contractors.

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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.

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Heat Pump Water Heater

Another option for reducing your energy cost is to consider installing an ENERGY STAR® heat pump water heater for your home.  Get a $300 rebate towards your purchase today.

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Download Rebate Application