Basic
$710 – $2,210 each
Electric tankless unit sized to the fixtures it serves, basic temperature dial, shutoff valves and connectors

Electric Tankless Water Heater: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Electric Tankless Water Heater in Charleston, South Carolina typically costs $836 to $2,600 each 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 electric tankless water heater.
National average: $900 – $2,800 each
$710 – $2,210 each
Electric tankless unit sized to the fixtures it serves, basic temperature dial, shutoff valves and connectors
$836 – $2,600 each
Multi-element electric tankless unit sized to the fixtures it serves, digital temperature display, isolation valve kit
$1,045 – $3,250 each
Electric tankless unit sized to the fixtures it serves, self-modulating elements, digital display, isolation valve kit, inline sediment filter
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $389 – $1,210 | each |
| Labor | labor | $274 – $853 | each |
| Supplies & Other | supplies | $104 – $323 | each |
| Equipment & Disposal | equipment | $69 – $215 | each |
Small white electric flow water heater mounted on a tiled wall with supply pipes
Photo: Faibel · Public domain · Source
Find a pro to do thisWall-mounted electric instant water heater beside a shower hose
Photo: Immanuel Giel · Public domain · Source
Find a pro to do thisElectric continuous-flow water heater with the cover off showing heating element
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.
Connect with local electric tankless water heater contractors in Charleston for personalized quotes based on your specific project.