Hawaii Heat Pump Rebates

What's available in Hawaii

Hawaii's heat pump incentive landscape centers on water heating rather than space conditioning, since the tropical climate makes central heat pumps uncommon and solar/heat pump water heaters are the primary efficiency play. The largest non-income-qualified rebates come from Hawaii Energy, the ratepayer-funded public benefits administrator serving Hawaiian Electric (HECO/MECO/HELCO) customers, offering $700 instant for HPWHs through June 30, 2026. Kauai is served separately by KIUC with a $500 HPWH rebate. The Hawaii State Energy Office's eHale program has IRA-funded HEAR rebates allocated (up to $1,750 HPWH and $8,000 space-heating heat pump) for households under 150% AMI, but as of June 2026 the HEAR pathway has not yet launched — HSEO is completing pre-launch requirements with DOE.

HEEHRA in Hawaii

HEEHRA rebate: Point-of-sale rebate up to $8,000 for households at or below 80% of area median income. Funded by the IRA, administered by each state. Hawaii is finalizing program rules.

How heat pump rebates work in Hawaii

Hawaii's heat pump incentive landscape centers on water heating rather than space conditioning. The tropical climate makes central heat pumps uncommon — most Hawaii homes have no central heat at all, and even Big Island upcountry properties at 3,000 ft typically don't justify a full ducted system. Solar and heat pump water heaters are the primary efficiency play. Hawaii Energy (the ratepayer-funded public benefits administrator for Hawaiian Electric / HECO / MECO / HELCO customers) offers $700 instant in-store rebates on ENERGY STAR HPWHs at participating retailers through June 30, 2026. Kauai is served separately by KIUC with a $500 HPWH rebate. The Hawaii State Energy Office's eHale program has IRA-funded HEAR rebates allocated for households under 150% AMI — up to $1,750 for HPWHs and $8,000 for space-conditioning heat pumps — but as of June 2026 the HEAR pathway has not yet launched (HSEO is completing pre-launch requirements with DOE). For most Hawaii homeowners today, the practical incentive is the $700 Hawaii Energy HPWH instant rebate or KIUC's $500 rebate; the eHale HEAR rebates will stack once the program opens.

Hawaii rebate programs

4 utility-specific programs not shown here. Enter your ZIP in the calculator to filter to just your utility.

A worked example: heat pump water heater swap in Honolulu

Leilani owns a 1,200 sq ft home in Honolulu served by HECO. Her 14-year-old electric resistance tank water heater is on its last legs. She decides on a 65-gallon ENERGY STAR HPWH (UEF 3.45) at $2,400 installed by a licensed plumber. Because she's buying through a participating retailer (Home Depot in Pearl City), the $700 Hawaii Energy instant rebate is applied at the register — she pays $1,700 at checkout. Her household income is roughly 75% of Honolulu's AMI, which would qualify her for the eHale HEAR HPWH rebate at 100% of project cost up to $1,750 — but as of June 2026 the eHale HEAR program has not yet launched. Once it opens, the combined stack would be: $700 instant + up to $1,050 from eHale (the remaining cost after the in-store rebate) = $1,750 total, against $2,400 installed, for a net out-of-pocket of $650. Today, without eHale, her savings are the $700 instant rebate alone. The federal §25C credit for HPWHs expired December 31, 2025 and is not part of the stack.

Choosing a contractor in Hawaii

Hawaii licenses contractors through the Hawaii Department of Commerce and Consumer Affairs (DCCA) Contractor License Search at pvl.ehawaii.gov. Plumbing work requires a C-37 license; HVAC work requires C-52. Hawaii Energy instant rebates don't require contractor enrollment in a program-ally sense (they're processed at the retailer register), but the contractor must be licensed and the install must follow Hawaii Building Code. eHale HEAR rebates require an eHale-registered contractor; ask 'are you set up with eHale?' before signing. The eHale program portal at energy.hawaii.gov maintains a registered-contractor lookup.

Common pitfalls for Hawaii homeowners

• Assuming central heat pumps make sense everywhere in Hawaii. Most Hawaii homes (Honolulu, Hilo, Maui below 1,000 ft) don't need central heat. A ductless mini-split AC with heat function is occasionally useful for upcountry properties (Volcano, Waimea, Kula), but a full ducted heat pump system is rare and usually overspec for the climate. Heat pump water heaters are the right play for most Hawaii homeowners; central heat pumps deserve careful Manual J justification before quoting.
• Buying outside the participating retailer network. The Hawaii Energy $700 instant rebate is processed at the register at participating retailers (Home Depot, Lowe's, Ferguson, PACE, Inter-Island Solar Supply). Buying the same HPWH at a non-participating retailer or online doesn't qualify, even if the equipment is identical. Confirm the retailer is on the participating list before purchase.

Estimate your net cost

How to claim each rebate

1. Get pre-approved (where required). Some utility programs require approval before install. Check program details before signing a contract.
2. Use a participating contractor. Many programs require a licensed installer from an approved contractor list — especially HEEHRA, which routes through CEC-approved contractors who process the rebate at point of sale.
3. Save documentation. AHRI certificate, model numbers, and itemized invoice are required for most utility rebates.
4. Submit utility rebate within 60–90 days of install. Some programs are first-come first-served and close mid-year — funding can run out before the calendar year does.

FAQ