10 Best Gas Tankless Water Heaters 2024

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

Rinnai V65IN Tankless Water Heater – ⭐ Best Overall Gas Tankless Water Heater

V65IN by Rinnai

  • Color: V65iN - Natural Gas/6.5 GPM
  • Weight: 45.6 pounds
  • Dimensions: 14 x 9.3 x 26.9 inches
  • Warranty: See Manufacturer
Rinnai V65IN Tankless Water Heater
  • 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)

Rinnai Outdoor Tankless Hot Water Heater

V65EN by Rinnai

  • Color: White
  • Weight: 47.4 pounds
  • Dimensions: 9.6 x 14 x 24.3 inches
  • Warranty: See Manufacturer
Rinnai Outdoor 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

VIVOHOME Outdoor Portable 1.6GMP 6L Propane Gas Tankless Water Heater – 💲 Best Budget Gas Tankless Water Heater

by VIVOHOME

VIVOHOME Outdoor Portable 1.6GMP 6L Propane Gas Tankless Water Heater
  • POWER EFFICIENT - The flow rate is 6L/min, that is, hot water can be output 1.6 gallons per minute; Low energy consumption, but very efficient, save your money on the energy cost and meets your various needs at same time
  • CONVENIENCE - Applicable water pressure from 3~145 PSI; If the water pressure is below 3 PSI, the water heater cannot be ignited; The water temperature is displayed in degrees Fahrenheit℉, which is in line with the usage habits of the United States and is very convenient to use
  • SAFETY PROTECTION - The safety of the propane water heater is also an important thing that everyone will value very much; Our products have more than four protection methods; The product has safety protection measures such as overheating protection, antifreeze protection, flameout protection, and anti-dry protection, which prevent the product from giving users the possibility of any harm, provides a comfortable and safe bathing conditions, a reliable product
  • ENERGY SAVING - Automatic ignition and flameout modes, turn on the shower, the tankless water heater automatically ignites, turn off the shower, the water heater automatically turn off the flame; With this unique design, our heater can save the energy for you and ensure your safety at the same time
  • WIDELY APPLICATION - Our gas water heater is mainly used for outdoor showering with hot water, soaking feet during a trip, washing pets when outside camp, washing your car or your boat outside; No more cold water outside shower, our water heater provides you a safe and comfortable hot shower at anytime anywhere

Excel Pro Tankless Gas Water Heater NATURAL GAS 6.6 GPM

JSD10D 10D by GASFLEX

  • Color: White
  • Dimensions: 14.5 x 5.5 x 23 inches
Excel Pro Tankless Gas Water Heater NATURAL GAS 6.6 GPM
  • Modulates heat output in response to the flow rate of water running through the unit.
  • Power vented directly vertically (rooftop) or sideways (wall) via Stainless Steel CAT III Flue 3.5" Diameter Included (20")
  • NATURAL GAS - European Model - Digital Display is in Celsius
  • Delivers 6.6 gpm of hot water with a 35°F Instant Temperature Rise (Equivalent to 5.5gpm with a 45F temp Rise)
  • Certified for Installation in Manufactured (Mobile) Homes Pure Copper Heat Exchanger

Camplux Tankless Water Heater Natural Gas

CA318W-NG by CAMPLUX ENJOY OUTDOOR LIFE

  • Color: White
  • Dimensions: 14.4 x 4.7 x 25.4 inches
Camplux Tankless Water Heater Natural Gas
  • Sleek,Modern,Compact Design -Trendy and modern design with unique black glassy front panel featuring an easy to use LED touchscreen controls with Celsius 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.
  • 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.
  • 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.
  • 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.

Camplux 12L 3.18 GPM Indoor Tankless Natural Gas Water Heater

CA318-NG by CAMPLUX ENJOY OUTDOOR LIFE

  • Color: Black
  • Dimensions: 14.4 x 4.7 x 25.4 inches
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.

Camplux 2.64 GPM Residential Indoor Tankless Water Heater

CM264B by CAMPLUX ENJOY OUTDOOR LIFE

  • Color: Black
  • Weight: 23.8 pounds
  • Dimensions: 12.8 x 5.9 x 20.3 inches
Camplux 2.64 GPM Residential Indoor Tankless Water Heater
  • Compact Design,Saving Energy-The compact size - 12.8"(L)*5.91"(W)*20.28"(H) tankless water heater saves more space than traditional tanks.Trendy and modern design with fahrenheit digital temperature display.Eco and Full gas switch for energy saving and get ideal hot water temperature.
  • On-Demand Tankless Water Heater-Camplux high efficiency 2.64 GPM propane gas tankless water heater delivers 2.64 gallons per minute of on-demand endless hot water ensures instant hot water for any small homes, cabins or apartments.
  • [More Safety] Flame-out protection, anti-freezing protection(manual drainage needed),over-heating protection, air flow pressure switch protection to ensure the safety. Safe electronic ignition system, plugs into standard 120V electrical outlet with UL-listed cord.
  • Convenient, Easy Installation -Uses standard 1/2" NPT water fittings and comes with 2 inch horizontal venting pipe allowing for convenient and quick installation and ensures efficient power ventilation .
  • 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.

Rinnai Indoor Tankless Hot Water Heater / RL75iN Natural Gas – 👑 Premium Pick

RL75iN by Rinnai

  • Color: Natural Gas
  • Weight: 50 pounds
  • Dimensions: 14 x 9.3 x 23 inches
  • Warranty: See Manufacturer
Rinnai Indoor Tankless Hot Water Heater / RL75iN Natural Gas
  • Comes standard with MC-91-1US Digital Controller with Error Code Indicator
  • 82% Thermal Efficiency
  • Residential Temperature Settings: 98°F - 140°F
  • Commercial Temperature Settings: 98°F - 160°F (commercial controller must be purchased separately)

Noritz NR50ODNG Outdoor Tankless Water Heater

NR501-OD-NG by Noritz

  • Weight: 33 pounds
  • Dimensions: 10.7 x 17.6 x 26.6 inches
  • Warranty: 12 Year Heat Exchanger, 5 Year Parts, 1 Year Labor
Noritz NR50ODNG Outdoor Tankless Water Heater
  • Endless hot water
  • Ideal for outdoor applications
  • High Efficiency
  • Low Nox

Camplux Pro Residential Tankless Water Heater Natural Gas

WA528G-NG by CAMPLUX ENJOY OUTDOOR LIFE

  • Color: Gray
  • Weight: 35.27 pounds
Camplux Pro Residential Tankless Water Heater Natural Gas
  • On-Demand Tankless Water Heater-Camplux advanced 5.28 GPM high efficiency flow control natural gas tankless water heater delivers 5.28 gallons per minute of on-demand endless hot water to suit medium- and smaller-sized homes. Automatically activates on water pressure between 7.0-150 PSI.
  • Constant & Sustainable Hot Water Solution -CSA certified balanced combustion design ,features with over-high wind pressure safety protection,Ipx4 water resistant protection, over-loaded electric protection,fan failure protection, 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.
  • Affordable & Efficient Savings -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 at an affordable rate.
  • 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.

Similiar Categories