Oʻahu and Hawaiʻi Island and Maui County customers, Hawaii · Instant discount
Hawaii Energy Heat Pump Water Heater Instant Rebate
Run by Hawaii Energy
Hawaiian Electric customers get $500 off a 40-54 gallon or $700 off a 55-82 gallon ENERGY STAR heat pump water heater, taken off the price at participating retailers. No forms needed.
Amounts
How much you get
Instant in-store rebate by tank size: $500 for 40-54 gallons, $700 for 55-82 gallons. The amount depends on which of these fits your install.
| What you install | You get |
|---|---|
| 40-54 gallon | $500 |
| 55-82 gallon | $700 |
Eligibility
Do I qualify?
You need to meet all 2 of these.
Residential electric customers of Hawaiian Electric on Oʻahu, Hawaiʻi Island, Maui, Molokaʻi and Lānaʻi. Kauaʻi (KIUC) customers aren't eligible.
Buy from a participating retailer: Ferguson/The Plumbing Source, Home Depot, Lowe's, Inter-Island Solar Supply or PACE Supply.
What to doBuy the water heater at one of the participating retailers; the rebate isn't available elsewhere.
Equipment
What equipment counts
The program sets these minimums for water heaters.
- Heat pump water heaters
ENERGY STAR certified.
- Heat pump water heaters
40 to 82 gallon tank (eligible sizes differ by participating retailer).
Applying
How to apply
The discount comes off at the register.
- Visit a participating retailer.
Ferguson/The Plumbing Source, Home Depot, Lowe's, Inter-Island Solar Supply or PACE Supply.
- Pick an eligible ENERGY STAR model, 40 to 82 gallons.
Eligible sizes differ by retailer.
- Pay the price with the instant rebate already included.
No forms necessary.
Forms and instructionsHawaii Energy - Heat Pump Water Heating · Hawaii Energy - Residential Rebates
Questions about applying877-231-8222 or hawaiienergy@honeywell.com
Stacking
Use it with
Your address
Next steps
Check that it covers your address. Then, if you want, ask for a contractor quote.
Is it available at your address?
Before anything else
Your quote request is in If a contractor we work with serves your ZIP, they can contact you. We take one request per person; contact us to change it.
Get an email if this program changes
We'll write if its amount, status or deadline changes. Nothing else.
FAQ
Questions
How much does Hawaii Energy Heat Pump Water Heater Instant Rebate pay?
$500 to $700, depending on what you install. The table under How much you get lists each amount.
Do I need to be a Oʻahu, Hawaiʻi Island or Maui County customer?
Yes. It’s only for homes in Oʻahu and Hawaiʻi Island and Maui County customers, Hawaii. See Do I qualify for the details.
Is it still available?
Yes. It was open when we last checked, on October 27, 2026.
What does my home need for a heat pump water heater?
Usually a 240-volt supply, air above 40°F year-round, about 100 sq. ft. of space, a ceiling of at least 6 ft. and a condensate drain line. New 120-volt models exist; check with a licensed contractor if unsure.
How often should a heat pump water heater be serviced?
At least once every 3 years, Hawaii Energy suggests. Hawaii Energy also offers a tune-up rebate through participating contractors.
Plain words
Words used on this page
References
Sources
This page is built from these official pages, run by the program itself.
- Hawaii Energy - Water Heating Rebates
- Hawaii Energy - Heat Pump Water Heating
- Hawaii Energy - Residential Rebates
When one of these pages changes, we re-check this page against it.
Nearby
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