Basic
$4,525 – $12,067 each
Cast-iron oil hot-water boiler around 86% AFUE, flue reconnected to the existing chimney, piping reconnected, burner started and tested
Replace an existing oil-fired hot-water boiler with a new standard-to-high-efficiency oil boiler, including removal, piping/venting reconnection and startup.
Install Oil Boiler in Honolulu, Hawaii typically costs $5,324 to $14,196 each 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 install oil boiler.
National average: $4,500 – $12,000 each
$4,525 – $12,067 each
Cast-iron oil hot-water boiler around 86% AFUE, flue reconnected to the existing chimney, piping reconnected, burner started and tested
$5,324 – $14,196 each
Three-pass cast-iron oil boiler around 87% AFUE with efficient circulator, flue and piping reconnected, combustion tested
$6,654 – $17,745 each
High-efficiency three-pass oil boiler around 88-90% AFUE with outdoor reset control and ECM circulator, combustion tuned
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $2,268 – $6,048 | each |
| Labor | labor | $2,048 – $5,460 | each |
| Supplies & Other | supplies | $605 – $1,613 | each |
| Equipment & Disposal | equipment | $403 – $1,075 | each |
Labor costs in Honolulu run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local install oil boiler contractors in Honolulu for personalized quotes based on your specific project.