Basic
$3,519 – $8,044 per project
80% AFUE single-stage gas furnace sized to the existing ducts, vented into the existing flue, new gas connection and shutoff, startup checked

Supply and install a natural-gas furnace (80-95% AFUE) replacing an existing unit on existing ducts, including venting and connection; duct or gas-line extensions extra.
Install Gas Furnace in Honolulu, Hawaii typically costs $4,141 to $9,464 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 install gas furnace.
National average: $3,500 – $8,000 per project
$3,519 – $8,044 per project
80% AFUE single-stage gas furnace sized to the existing ducts, vented into the existing flue, new gas connection and shutoff, startup checked
$4,140 – $9,464 per project
92% AFUE single-stage condensing gas furnace with PVC intake and exhaust venting, condensate drain, new gas connection, startup combustion check
$5,176 – $11,830 per project
95% AFUE two-stage condensing gas furnace with variable-speed blower, PVC venting, condensate drain, new thermostat wiring, full combustion test
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1,764 – $4,032 | job |
| Labor | labor | $1,592 – $3,640 | job |
| Supplies & Other | supplies | $470 – $1,075 | job |
| Equipment & Disposal | equipment | $314 – $717 | job |
Labor costs in Honolulu run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local install gas furnace contractors in Honolulu for personalized quotes based on your specific project.