Basic
$906 – $2,514 per project
40-50 gal 6-year-class tank on the existing fuel, new flex connectors, T&P discharge line and code-required items

Photo: Kskhh · CC BY-SA 4.0 · Source
Replace a standard 40-50 gal gas or electric tank water heater, supply and install and haul-away.
Replace Hot Water Heater in Honolulu, Hawaii typically costs $1,066 to $2,958 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Honolulu are 21.0% higher than the national average for replace hot water heater.
National average: $900 – $2,500 per project
$906 – $2,514 per project
40-50 gal 6-year-class tank on the existing fuel, new flex connectors, T&P discharge line and code-required items
$1,066 – $2,958 per project
40-50 gal 9-year-class tank with brass drain valve, new shutoff, flex connectors, drain pan where needed, code-required items
$1,332 – $3,697 per project
40-50 gal 12-year-class high-recovery tank with heavier anode rod, new shutoff, connectors, drain pan where needed, code-required items
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $448 – $1,260 | job |
| Labor | labor | $416 – $1,138 | job |
| Supplies & Other | supplies | $121 – $336 | job |
| Equipment & Disposal | equipment | $81 – $224 | job |
Labor costs in Honolulu run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local replace hot water heater contractors in Honolulu for personalized quotes based on your specific project.