10 Best Natural Gas Water Heaters 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing 895 products, scanning 4015 reviews, spending more than 36 hours of research and speaking with our test users, we think the Rinnai V65eN Tankless Hot Water Heater is the one of the Best Natural Gas Water Heater on the market.

# Image Name Brand Price
1
⭐Best Choice
Rinnai V65eN Tankless Hot Water Heater
Rinnai V65eN Tankless Hot Water Heater, Large, White Check price Rinnai $$$$$ Check price
2 Rinnai V65IN Tankless Water Heater Rinnai V65IN Tankless Water Heater, Large, V65iN-Natural Gas/6.5 GPM Check price Rinnai $$$$$ Check price
3
💲Best value for the money
Camplux 12L 3.18 GPM Indoor Tankless Natural Gas Water Heater
Camplux 12L 3.18 GPM Indoor Tankless Natural Gas Water Heater Check price CAMPLUX ENJOY OUTDOOR LIFE $$$$$ Check price
4 Noritz NR50ODNG Outdoor Tankless Water Heater Noritz NR50ODNG Outdoor Tankless Water Heater, max. 120,000 Btuh, 5.0 Gpm - Natural Gas Check price Noritz $$$$$ Check price
5 Camplux CA528 5.28 GPM Indoor Natural Gas Water Heater Camplux CA528 5.28 GPM Indoor Natural Gas Water Heater Check price CAMPLUX $$$$$ Check price
6 Marey Power Gas 10L 2.7 GPM Natural Gas Digital Panel Marey Power Gas 10L 2.7 GPM Natural Gas Digital Panel Tankless Water Heater Check price MAREY $$$$$ Check price
7
👑Premium Pick
Rinnai RU199iN Sensei Super High Efficiency Tankless Water Heater
Rinnai RU199iN Sensei Super High Efficiency Tankless Water Heater, 11 GPM - Natural Gas: Indoor Installation Check price Rinnai $$$$$ Check price
8 CAMPLUX ENJOY OUTDOOR LIFE CM264-NG Natural Gas Residential Water Heater CAMPLUX ENJOY OUTDOOR LIFE CM264-NG Natural Gas Residential Water Heater Check price CAMPLUX ENJOY OUTDOOR LIFE $$$$$ Check price
9 MAREY GA24CSANG 8.34GPM MAREY GA24CSANG 8.34GPM, High Efficienty, CSA Certified, Residential Multiple Points of Use Natural Gas Tankless Water Heater, White Check price MAREY $$$$$ Check price
10 Noritz NRC66DVNG Indoor Condensing Direct Tankless Hot Water Heater Noritz NRC66DVNG Indoor Condensing Direct Tankless Hot Water Heater, 6.6 GPM - Natural Gas Check price Noritz $$$$$ Check price

Rinnai V65eN Tankless Hot Water Heater – Best Overall Natural Gas Water Heater

Rinnai V65eN Tankless Hot Water Heater
  • Max BTU's 120,000
  • Max Energy Factor 0.82
  • Outdoor Installations
  • Meets California and Texas NOx Emissions Standards
  • Lightweight and Compact

Rinnai V65IN Tankless Water Heater

Rinnai V65IN Tankless Water Heater
  • Endless hot water for your entire home
  • V65iN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
  • Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

Camplux 12L 3.18 GPM Indoor Tankless Natural Gas Water Heater – Best Budget Natural Gas Water Heater

Camplux 12L 3.18 GPM Indoor Tankless Natural Gas Water Heater
  • Sleek,Modern,Compact Design -Trendy and modern design with unique black glassy front panel featuring an easy to use LED touchscreen controls with Fahrenheit Digital & Display.The compact size - (L)14.4 x (W)4.7 x (H)25.4 inch tankless water heater saves more space than traditional tanks.
  • On-Demand Tankless Water Heater-High water capacity range 0.8 - 4.8 GPM, Camplux high efficiency 3.18 GPM natural gas tankless water heater delivers 3.18 gallons per minute of on-demand endless hot water ensures instant hot water for 2-3 persons home comfortable shower.
  • Multiple Protection Ensure Your Safety- Dry combustion,flame failure device, anti-freezing protection, over heating protection to ensure your safety. Fully automatic temperature controls with an energy saving mode and child lock technology.
  • Convenient, Easy Installation -Uses standard 1/2" NPT water fittings and comes with 2.3 inch horizontal venting pipe allowing for convenient and quick installation,great for whole home,small cabins and remote apartments use. You can take Camplux customized wall thimble-WT236 for perfect indoor use.
  • Considerate Customer Service- Here at Camplux, customer service is everything! We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.

Noritz NR50ODNG Outdoor Tankless Water Heater

Noritz NR50ODNG Outdoor Tankless Water Heater
  • Endless hot water
  • Ideal for outdoor applications
  • High Efficiency
  • Low Nox

Camplux CA528 5.28 GPM Indoor Natural Gas Water Heater

Camplux CA528 5.28 GPM Indoor Natural Gas Water Heater
  • 【Enjoy & Comfortable Constant Hot Water】This residential model is powered by 120 VAC voltage, features imported PCB with precise temperature control, never blow hot and cold in turn, on-demand hot water, double adjustment of water and air, and rising of the third gear making it perfect for a hot shower at home!Camplux CA528 can produce a quick endless hot shower for years to come! Please take the Camplux customized vent pipe CP-70 together for better performance.
  • 【Advanced Safety Features】 CSA certified balanced combustion design required air combustion from the outdoor and the combustion city produced by the smoke forced out of the outdoor to ensure fresh indoor air, safe and reliable use. Features CO multiple protection ensures safety, equipped with PCB start up self-test &real-time intelligent monitoring, timely warning of potential gas fire and hydro power to ensure your family's safety. Automatically activates on water pressure between 7.0-150 PSI.
  • 【Smart& Energy Saving】PCB frequency conversion intelligent control, temperature intelligent adjustment, environmental protection and durability, truly outstanding energy saving. Man-machine dialogue, heating without waiting. This residential constant model saves time, money and energy while producing safe, endless hot water for whole home!
  • 【High Thermal Efficiency & High-Rise Wind Resistance】Phosphorus deoxidized copper heat exchanger with high temperature and corrosion resistance technology for full combustion and high thermal efficiency up to 92% . It can resist grade 8 wind speed and 240Pa high anti-wind pressure. Additionally, a wind pressure sensor is added to perceive the external wind force in real time and automatically adjust the fan, flame and maintain stable combustion.
  • 【Considerate Customer Service】 Here at Camplux, customer service is everything! We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.

Marey Power Gas 10L 2.7 GPM Natural Gas Digital Panel

Marey Power Gas 10L 2.7 GPM Natural Gas Digital Panel
  • Digital Temperature Display
  • Compact design saves space and allows for easy installation just about anywhere
  • Does not require electricity (operates with 2 D Cell battery)
  • Only uses gas while water is flowing
  • Saves water and up to 60% less electricity than conventional tank water heater, making it cost effective and

Rinnai RU199iN Sensei Super High Efficiency Tankless Water Heater – Premium Pick

Rinnai RU199iN Sensei Super High Efficiency Tankless Water Heater
  • Endless hot water for your entire home
  • RU199in Sensei SE+ Super High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor 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)

CAMPLUX ENJOY OUTDOOR LIFE CM264-NG Natural Gas Residential Water Heater

CAMPLUX ENJOY OUTDOOR LIFE CM264-NG Natural Gas Residential Water Heater
  • [Ease to Use] For whole home on demand indoor use with safe, efficient power ventilation , perfect for any small homes, cabins or apartments.
  • [Modern Design] Exclusive color digital temperature display for easy to read.
  • [Saving More Energy] Eco and Full gas switch for energy saving and get ideal hot water temperature.
  • [More Safety] Flame-out protection, anti-freezing protection, over-heating protection, air flow pressure switch protection to ensure the safety.
  • [Controls Water Temperature Easily ] Uses standard 1/2" NPT water fittings and is equipped with easy to use manual water temperature controls.

MAREY GA24CSANG 8.34GPM

MAREY GA24CSANG 8.34GPM
  • CSA Certified
  • LED Touch Screen Computerized Safety
  • Flow activation
  • Oxygen free copper heat exchanger
  • Stainless Steel Venting Exhaust
  • Anti-Freeze Protection
  • UL listed
  • DOE

Noritz NRC66DVNG Indoor Condensing Direct Tankless Hot Water Heater

Noritz NRC66DVNG Indoor Condensing Direct Tankless Hot Water Heater
  • Endless hot water
  • Can be vented with Schedule 40 PVC Pipe and Fitting
  • High Efficiency
  • Low Nox
  • Remote thermostat & 6' power cord included

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