#1 Home Improvement Retailer

Cart

Cart

Home
Plumbing
Water Heaters
Tankless Water Heaters
Tankless Gas Water Heaters

Tankless Gas Water Heaters

4 Results
Filters
Filters
Clear All

Get It Fast

caret-icon

Department

caret-icon
Tankless Gas Water Heaters

Review Rating

caret-icon
4 & Up3 & Up2 & Up1 & Up

Brand

caret-icon

Price

caret-icon
to

Gas Type

caret-icon

Maximum Flow Rate (gallons per minute)

caret-icon

Water Heater Features

caret-icon

BTU Rating

caret-icon

Indoor/Outdoor

caret-icon

Eco Friendly

caret-icon

Let Us Do It For You

caret-icon

    Sort by

    Top Sellers
Top Rated
Performance Platinum 9.0 GPM Smart Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water HeaterPerformance Platinum 9.0 GPM Smart Super High Efficiency Indoor or Outdoor Natural Gas Tankless Water Heater
Expert Installation Available
(4.2 / 181)
Model# ECOH180DVELN-3
$1,143.54
Buy 3 or more $1,029.19
Performance Platinum 9.0 GPM Smart Super High Efficiency Indoor or Outdoor Liquid Propane Tankless Water HeaterPerformance Platinum 9.0 GPM Smart Super High Efficiency Indoor or Outdoor Liquid Propane Tankless Water Heater
Expert Installation Available
(4 / 105)
Model# ECOH180DVELP-3
$2,015.24
Buy 3 or more $1,813.72
Greentherm T9900 SE 160 - 9 GPM Residential Natural Gas and/or Liquid Propane High Efficiency Gas Tankless Water Heater
(2.2 / 5)
Model# 7736503730
Limit 3 per order
$2,079.33
Buy 3 or more $1,871.40
Greentherm T9800 SEO160 - 9 GPM Residential Natural Gas Liquid Propane High Efficiency Outdoor Gas Tankless Water Heater
(2 / 1)
Model# 7736503726
$1,630.77
Buy 3 or more $1,467.69

Installation Services

Tankless Water Heater Installation

Get started with a free consultation, where we'll ensure a tankless unit will fit your space and review the best options for your budget and needs
Learn More