Best Natural Gas Tankless Water Heater

In this post you will find some of the best natural gas tankless water heater. So if you are looking to be the best in the market, our list should help you make a buying choice.

Rheem RTG-64DVLN Prestige Low NOx Indoor Direct Vent Condensing Tankless Natural Gas Water Heater

$749.99
1 new from $749.99
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as of June 1, 2018 6:18 pm

Features

  • Natural Gas Tankless Water Heater
  • Direct Vent Indoor
  • 6.4 gal/min. at 35-Degree Rise
  • UMC-117 remote control and 10-Feet of thermostat wire is included
  • Low Nox Version

Eccotemp i12-NG Indoor tankless heater, 1/2 inch NPT water fittings

$490.00
$315.00
14 new from $315.00
1 used from $ 284.48
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as of June 1, 2018 6:18 pm

Features

  • True 1/2 inch NPT water fittings
  • black acrylic glass casing
  • Child locking technology. Minimum / maximum gas rate: 25,000 - 80,000 BTUs
  • Fully automatic temperature controls
  • Sleek modern design. Hot water capacity range: 0.6 - 4.8 gallons per minute

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

$1,198.00
9 new from $1,198.00
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Amazon.com
as of June 1, 2018 6:18 pm

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

VEVOR 18L Natural Gas Hot Water Heater 4.8GPM 36KW Tankless Instant Boiler Stainless Steel Liquefied Natural Gas Water Heater with Shower Head Kit Wall-Mounted Water Heater (18L, Natural Gas)

$149.99
2 new from $149.99
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Amazon.com
as of June 1, 2018 6:18 pm

Features

  • Water Heater Material: Stainless Steel; Power Source: Natural Gas; Voltage: 1.5 volts; Wattage: 36KW; Installation Method: Wall-Mounted; Flow Rate: 4.8 GPM; Package Size: 27.6 x 15.7 x 8.3 inch; Gross weight: 18.96 lbs
  • NOTE!!! Every type of water heater is only suitable for one kind of gas. This 18L water heater is ONLY for Liquefied Natural Gas.
  • This hot water heater 18 L/min, 4.8gpm Natural Gas tankless water heater. The water heater gas pressure: 2800pa (about 0.4 psi)
  • Stainless steel panel. Over heat protection: Over 75 °C / 167℉ will automatically turn off; Over water pressure protection
  • 2 D Cell Battery Ignition; High efficient energy saving; Hot water heater LCD display shows clearly every degree change, gives users complete control of hot water

Rinnai V65IN 6.6 GPM Indoor Low NOx Tankless Natural Gas Water Heater

$691.50
7 new from $679.89
Free shipping
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as of June 1, 2018 6:18 pm

Features

  • Max BTU's 150,000
  • Max Energy Factor 0.82
  • Indoor Installations
  • Meets California and Texas NOx Emissions Standards
  • Lightweight and Compact

Marey Power Gas 10L 2.7 GPM Natural Gas Digital Panel Tankless Water Heater

$239.99
$232.99
11 new from $211.50
2 used from $ 146.43
Free shipping
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Amazon.com
as of June 1, 2018 6:18 pm

Features

  • MAREY 3.1 GPM Natural Gas Digital Panel Tankless Water Heater

Rheem RTG-84XLN 8.4 GPM Low NOx Outdoor Tankless Natural Gas Water Heater

$819.99
1 new from $819.99
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Amazon.com
as of June 1, 2018 6:18 pm

Features

  • Natural Gas Tankless Water Heater
  • Outdoor
  • 8.4 gal/min. at 35-Degree Rise
  • UMC-117 remote control and 10-Feet of thermostat wire is included
  • Low Nox Version

Takagi T-KJr2-OS-NG Outdoor Tankless Water Heater, Natural Gas

$604.95
4 new from $599.90
2 used from $ 478.07
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Amazon.com
as of June 1, 2018 6:18 pm

Features

  • Outside installation only; Includes internal freeze protection
  • 19,500 - 140,000 BTU/hr
  • 0.82 energy factor
  • 6.6 GPM max flow rate

Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater, Concentric/Twin Pipe Installation

$1,425.00
10 new from $1,425.00
2 used from $ 1,161.37
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Amazon.com
as of June 1, 2018 6:18 pm

Features

  • Concentric or PVC venting option
  • Up to 0.96 Energy Factor/Up to 0.92 Uniform Energy Factor
  • The space-saving design allows Indoor Installation type
  • Ultra low NOx emissions
  • 199,000 max BTU