Water Heating Rebates

Your home’s largest energy consumer is your electric water heater. Switching to a more energy-efficient option can save you up to 40% on your electric bill. Making the switch is even easier with Hawaii Energy’s Water Heating Rebates to save you even more money on your electric bill.

Need help selecting the right water heater? Visit our resources page, click here.

We’re making improvements to better serve you:

A new application portal
is on its way!

Meanwhile, download/print the applications you need any time. And if you need assistance, contact us:

Toll Free 877-231-8222
hawaiienergy@honeywell.com

Solar Water Heating

$1,500 INSTANT REBATE

Tax Credit Available*

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 an incredible amount on the system purchase price in the first year.

Rebate Instructions > CLICK HERE <
  • Step 1: Find a participating Clean Energy Ally contractor.
  • Step 2: Schedule the installation with the CEA.
  • Step 3: Upon completion of the installation, the instant rebate will be deducted from your invoice. The CEA will submit the rebate application on your behalf.
*Cannot be combined with any other Hawaii Energy rebates or offers.

Solar Water Heater Tune-Up

$200 INSTANT REBATE

Already have solar water heating? Proper maintenance is key to getting the maximum life and benefits out of your solar water heating system. Hawaii Energy recommends maintenance tune-ups for solar water heating systems every 5 years.
Get a $200 rebate when your tune up is completed by one of our participating contractors. Learn more about solar water heating tune-ups, click here.

Rebate Instructions > CLICK HERE <
  • Step 1: Find a participating Clean Energy Ally contractor.
  • Step 2: Schedule the service with the CEA.
  • Step 3: Upon completion of the service, the instant rebate will be deducted from your invoice. The CEA will submit the rebate application on your behalf.
*Cannot be combined with any other Hawaii Energy rebates or offers.

Heat Pump Water Heater

UP TO $700 INSTANT REBATE

Tax Credit Available*

Another option for reducing your water heating cost is to install an ENERGY STAR® heat pump water heater for your home. Heat pump water heaters are 2-3x as efficient as a conventional water heater, cutting your water heating costs in half.

Get up to a $700 instant, in-store rebate for this cost-effective upgrade. No forms necessary, your rebate is reflected in the purchase price! Rebates available:

  • $500: for 42-54 gallon size
  • $700: for 55-82 gallon size

Learn more about heat pump water heaters, click here.

Rebate Instructions > CLICK HERE <
  • Step 1: Visit a participating retailer (listed below).
  • Step 2: Find and purchase the eligible product. Must be ENERGY STAR® certified, 42 to 82 gallon size (Eligible size differs by participating retailer.)
  • Step 3: Your in-store instant rebate is included in the final price.

Participating locations:

  • Ferguson\The Plumbing Source
  • Home Depot
  • Lowe’s
  • Inter-Island Solar Supply
  • PACE Supply
*Cannot be combined with any other Hawaii Energy rebates or offers.
Download our Guide

NEW Heat Pump Water Heater Tune-Up

$100 INSTANT REBATE

Proper maintenance of your home’s water heating equipment is important to extend life and it helps to avoid early replacement costs. If you have a heat pump water heater, we suggest having this service performed every 3 years.
To see a list of what a tune-up service entails, click here.

Rebate Instructions > CLICK HERE <
  • Step 1: Find a participating Clean Energy Ally contractor.
  • Step 2: Schedule the service with the CEA.
  • Step 3: Upon completion of the service, the instant rebate will be deducted from your invoice. The CEA will submit the rebate application on your behalf.
*Cannot be combined with any other Hawaii Energy rebates or offers.

Tax Credit Available

* This measure may qualify for valuable tax credits through the Inflation Reduction Act. For solar water heating, check here. For heat pump water heaters, check here. For applicability of any tax credits, please check with your tax professional.