Basic
$1,304 – $3,626 each
Tankless heater matched to the existing fuel, sized for 2-3 fixtures at once, standard efficiency, isolation valves, vent and power hookup, old tank removed
Supply and install one whole-house tankless (on-demand) water heater, electric or gas, including venting/gas or circuit hookup, permit and old-tank removal.
Instant Hot Water Heater in Boston, Massachusetts typically costs $1,535 to $4,266 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Boston are 14.0% higher than the national average for instant hot water heater.
National average: $1,402 – $3,898 each
$1,304 – $3,626 each
Tankless heater matched to the existing fuel, sized for 2-3 fixtures at once, standard efficiency, isolation valves, vent and power hookup, old tank removed
$1,535 – $4,266 each
Tankless heater matched to the existing fuel, sized for 2-3 fixtures at once, higher-efficiency model with digital display, isolation valve kit, old tank removed
$1,918 – $5,333 each
Tankless heater matched to the existing fuel, sized for 2-3 fixtures at once, top-efficiency model with Wi-Fi control, recirculation-ready, old tank removed
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $631 – $1,754 | each |
| Labor | labor | $624 – $1,732 | each |
| Supplies & Other | supplies | $168 – $468 | each |
| Equipment & Disposal | equipment | $112 – $312 | each |
Labor costs in Boston run proportionally higher than materials, which may favor material-heavy solutions.
BuildX Pro researches and reviews the national price range for Instant Hot Water Heater, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Nov 2026.
Connect with local instant hot water heater contractors in Boston for personalized quotes based on your specific project.