Water Heater Repair & Replacement in Hawaii
No hot water, a leaking tank or an aging unit? A licensed plumber can tell you whether repair makes sense, and Hawaii has some water-heater options and rebates that are worth asking about before you buy.
Repair or replace?
Published Hawaii cost guides put tank water heater life at roughly 8 to 12 years. Water pooling around the base of the tank usually means the tank itself has failed.
A failed thermostat, element or igniter is often a much cheaper repair than a new tank, especially on a newer unit. Ask for the repair price and the replacement price side by side.
Heat pump and solar options
Hawaii Energy lists an instant in-store rebate for ENERGY STAR heat pump water heaters ($500 for 40 to 54 gallon units, $700 for 55 to 82 gallon units) at participating retailers, and a solar water heater rebate of up to $2,750 through participating contractors. Amounts and eligibility change, so confirm on the Hawaii Energy site before you buy.
Hawaii Energy serves Honolulu, Maui and Hawaii counties. On Kauai, rebates come from the Kauai Island Utility Cooperative (KIUC).
Before you accept a quote
Ask whether the price includes the permit, haul-away of the old tank, and any electrical, venting or gas-line work.
Heat pump units may need enough panel capacity and a condensate drain. Ask your installer to check.
Get the brand, model and warranty in writing, and verify the contractor license on the Hawaii DCCA site.
Cost guide
Published Hawaii ranges for a standard tank unit run roughly $1,350 to $3,450 installed in Honolulu, with heat pump and tankless units costing more. See our breakdown: How much does water heater replacement cost in Hawaii?
Frequently asked questions
Are there rebates for heat pump water heaters in Hawaii?
Hawaii Energy lists instant in-store rebates of $500 (40 to 54 gallon) or $700 (55 to 82 gallon) for ENERGY STAR heat pump water heaters bought at participating retailers. Check their site for current terms. On Kauai, KIUC offers its own rebates.
Do federal tax credits still apply to water heaters?
The Hawaii State Energy Office says the federal residential clean energy and energy efficient home improvement credits generally end for expenditures made or property placed in service after December 31, 2025. Check with a tax professional.
Where we send water heater repair & replacement requests
Honolulu · Kapolei · Kailua · Kaneohe · Pearl City · Waipahu · Mililani · Ewa Beach · Kahului & Wailuku · Kihei · Hilo · Kailua-Kona · Lihue