BEST TANKLESS GAS WATER HEATERS

Looking for the best TANKLESS GAS WATER HEATERS that can last long and perform well? Read our review and buying guide on best TANKLESS GAS WATER HEATERS below.

10 Best TANKLESS GAS WATER HEATERS

IMAGE PRODUCT RATING PRICE
$575.27
$649.99
in stock
8 new from $575.27
1 used from $546.51
as of October 22, 2021 8:33 am
Amazon.com
$1,695.00
in stock
as of October 22, 2021 8:33 am
Amazon.com
$718.99
$1,134.00
in stock
3 new from $714.60
as of October 22, 2021 8:33 am
Amazon.com
$591.40
$649.99
in stock
9 new from $591.40
as of October 22, 2021 8:33 am
Amazon.com
$882.00
$1,585.27
in stock
3 new from $882.00
as of October 22, 2021 8:33 am
Amazon.com
$288.03
$399.00
in stock
12 new from $288.03
as of October 22, 2021 8:33 am
Amazon.com
$1,749.75
in stock
4 new from $1,699.00
1 used from $1,650.00
as of October 22, 2021 8:33 am
Amazon.com
$570.80
in stock
7 new from $529.73
3 used from $419.78
as of October 22, 2021 8:33 am
Amazon.com
Last updated on October 22, 2021 8:33 am

Best TANKLESS GAS WATER HEATERS

MAREY GA24CSANG 8.34GPM, High Efficienty, CSA Certified, Residential Multiple Points of Use Natural Gas Tankless Water Heater, White

 in stock
8 new from $575.27
1 used from $546.51
Free shipping
Amazon.com
as of October 22, 2021 8:33 am

Features

  • CSA Certified
  • LED Touch Screen Computerized Safety
  • Flow activation
  • Oxygen free copper heat exchanger
  • Stainless Steel Venting Exhaust

Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater

 in stock
Amazon.com
as of October 22, 2021 8:33 am

Features

  • 94-Percent Energy efficient with stainless-steel condensing heat exchanger
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • Third party efficiency listed by AHRI
  • Up to 38-Feet of 3-Inch PVC Pipe or 5-Feet of 2-Inch PVC Pipe
  • Low Nox Version

Rinnai Indoor Tankless Hot Water Heater / V65iN / Natural Gas / 6.3 GPM, Large, V65iN-Natural 6.5

 in stock
3 new from $714.60
Amazon.com
as of October 22, 2021 8:33 am

Features

  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: High-performance up to 6.5 GPM hot water flow rate for a powerful, constant stream
  • Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively

MAREY GA24CSALP 8.34GPM, High Efficienty, CSA Certified, Residential Multiple Points of Use Liquid Propane Gas Tankless Water Heater, White

 in stock
9 new from $591.40
Free shipping
Amazon.com
as of October 22, 2021 8:33 am

Features

  • CSA Certified
  • LED Touch Screen Computerized Safety
  • Flow activation
  • Oxygen free copper heat exchanger
  • Stainless Steel Venting Exhaust

Noritz NRC66DVNG Indoor Condensing Direct Tankless Hot Water Heater, 6.6 GPM - Natural Gas

 in stock
3 new from $882.00
Amazon.com
as of October 22, 2021 8:33 am

Features

  • Endless hot water
  • Can be vented with Schedule 40 PVC Pipe and Fitting
  • High Efficiency
  • Low Nox
  • Remote thermostat & 6' power cord included

Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters, White

 in stock
12 new from $288.03
Amazon.com
as of October 22, 2021 8:33 am

Features

  • Whole home indoor, gas powered tankless water heater, rated at 3.6 GPM that activates only when in use, making it an energy saver.
  • For indoor installation with safe, efficient power ventilation and perfect for any small home, cabin or apartment.
  • Easy to read digital temperature display, on a compact and space-saving design with minimal noise output.
  • Safe electronic ignition system; plugs into standard 120v electrical outlet with UL-listed cord.
  • Uses standard 1/2" NPT water fittings and is equipped with easy to use manual water temperature controls.Minimum 0.65 GPM flow rate

Rinnai RU199eN Natural Gas Condensing Tankless Hot Water Heater, 11 GPM

 in stock
4 new from $1,699.00
1 used from $1,650.00
Amazon.com
as of October 22, 2021 8:33 am

Features

  • Endless hot water for your entire home
  • RU199en Sensei SE+ Super High Efficiency Tankless Hot Water Heater - Natural Gas: Outdoor Installation Only
  • Up to 11 GPM hot water flow rate (varies by groundwater temp)
  • Circ-Logic technology allows you to set recirculation patterns that coincide with your typical habits. Hot water is available when you need it!
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

Noritz NR50ODNG Outdoor Tankless Water Heater, max. 120,000 Btuh, 5.0 Gpm - Natural Gas

 in stock
Amazon.com
as of October 22, 2021 8:33 am

Features

  • Endless hot water
  • Ideal for outdoor applications
  • High Efficiency
  • Low Nox

Tankless Water Heater Natrual Gas On Demand Instant Hot Water Heater for 3-4 Persons Home Use 3.7 GPM 145000 BTU 120V White

 in stock
Amazon.com
as of October 22, 2021 8:33 am

Features

  • On Demand Hot Water: The tankless natural gas water heater indoor heats water instantly with 145,000 BTU, enjoy a comfortable shower without waiting, save your valuable time, energy and water. The capacity is up to 3.7 GPM, making it a high efficiency instant water heater for multiple points of use.
  • Continuous Hot Water: The Fogatti natural gas tankless hot water heater is able to meet all of your hot water needs. No longer do you need to choose between a comfy shower, dish wash and laundry. The tankless hot water heater deliveries endless hot water and keeps everyone happy.
  • Easy To Install: The Fogatti indoor tankless water heater uses standard 3/4" NPT water fittings and 3" Vent Pipe for convenient and quick installation. Plus, using natural gas tank and advanced venting technology enable more location options inside the house: Kitchen, Bathroom, Garage, Basement, Attic and etc.
  • Safety and Excellent Quality: CSA certified in the United states and Canada. The tankless natural gas water heater indoor features multi safety protections: Overheat protection, Flame Failure Protection, Low Water Flow Protection, High Water Pressure Protection, Dry combustion Production and Anti-freeze Protection.
  • Save Space and Energy: Compact design, the Fogatti tankless water heater is only the size of a small suitcase, and the wall-mount design frees up valuable floor space within your home. The burner is manufactured using the latest European technology, high efficiency and energy saving. And the Heat Exchanger is made of oxygen-free copper, highly efficient and durable.

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

 in stock
7 new from $529.73
3 used from $419.78
Free shipping
Amazon.com
as of October 22, 2021 8:33 am

Features

  • ON/OFF Dial Control with adjustable digital temperature display
  • Self-modulating power control
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Bottom 3/4" NPT water connections
  • On demand, consistent and continuous hot water