Basic
$947 – $2,368 per project
Whole-home electric tankless around 24 kW, wall mounted with isolation valves, on adequately sized circuits

Photo: Faibel · Public domain · Source
Install Tankless Electric Water Heater: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Install Tankless Electric Water Heater in Charleston, South Carolina typically costs $1,114 to $2,786 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 Charleston are 8.0% lower than the national average for install tankless electric water heater.
National average: $1,200 – $3,000 per project
$947 – $2,368 per project
Whole-home electric tankless around 24 kW, wall mounted with isolation valves, on adequately sized circuits
$1,114 – $2,786 per project
Electric tankless around 24 kW with digital temperature display, isolation valve kit, on adequately sized circuits, flow tested
$1,393 – $3,482 per project
Electric tankless around 24 kW with self-modulating elements and digital control, isolation valve kit, on adequately sized circuits, flow tested
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $518 – $1,296 | job |
| Labor | labor | $365 – $914 | job |
| Supplies & Other | supplies | $138 – $346 | job |
| Equipment & Disposal | equipment | $92 – $230 | job |
Electric tankless water heater with cover off showing heating element and wiring
Photo: User:Mattes · Public domain · Source
Find a pro to do thisMaterial costs in Charleston run proportionally higher than labor, which may favor labor-intensive approaches.
BuildX Pro researches and reviews the national price range for Install Tankless Electric 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 install tankless electric water heater contractors in Charleston for personalized quotes based on your specific project.