Basic
$1,255 – $3,347 per project
Tankless heater matched to the existing fuel, sized for 2-3 fixtures at once, standard efficiency, vent and power hooked up as required, isolation valves

Supply and install a whole-home tankless water heater (gas or electric) including labor, venting/electrical hookup and permit; gas-line or panel upgrades extra.
Install Tankless Hot Water Heater in Las Vegas, Nevada typically costs $1,477 to $3,938 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 Las Vegas are in line with the national average for install tankless hot water heater.
National average: $1,500 – $4,000 per project
$1,255 – $3,347 per project
Tankless heater matched to the existing fuel, sized for 2-3 fixtures at once, standard efficiency, vent and power hooked up as required, isolation valves
$1,477 – $3,938 per project
Tankless heater matched to the existing fuel, sized for 2-3 fixtures at once, higher-efficiency model with digital display, isolation valve kit
$1,846 – $4,923 per project
Tankless heater matched to the existing fuel, sized for 2-3 fixtures at once, top-efficiency model with Wi-Fi control, recirculation-ready, isolation valve kit
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $648 – $1,728 | job |
| Labor | labor | $541 – $1,442 | job |
| Supplies & Other | supplies | $173 – $461 | job |
| Equipment & Disposal | equipment | $115 – $307 | job |
Two wall-mounted gas tankless water heaters piped with expansion tanks on a plywood wall
Photo: Behrat · CC BY-SA 3.0 · Source
Find a pro to do thisTankless water heater mounted on the exterior wall of a house
Photo: radical.librarian · CC BY 2.0 · Source
Find a pro to do thisWall-mounted electric tankless water heater with piping on a pink tiled bathroom wall
Photo: DryPot · CC BY-SA 3.0 · Source
Find a pro to do thisLabor costs in Las Vegas run proportionally higher than materials, which may favor material-heavy solutions.
BuildX Pro researches and reviews the national price range for Install Tankless 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 install tankless hot water heater contractors in Las Vegas for personalized quotes based on your specific project.