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Top 10 Best gas tankless water heater Reviews

Top 10 Rated gas tankless water heater in 2021 Comparison Table

SaleBestseller No. 1
MAREY GA24CSANG 8.34GPM, High Efficienty, CSA Certified, Residential Multiple Points of Use Natural Gas Tankless Water Heater, White
  • CSA Certified
  • LED Touch Screen Computerized Safety
  • Flow activation
  • Oxygen free copper heat exchanger
  • Stainless Steel Venting Exhaust
SaleBestseller No. 2
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
  • EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
SaleBestseller No. 3
Rinnai Tankless Hot Water Heater / V75IN / Natural Gas / 7.5 GPM, Indoor Installation
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: High-performance up to 7.5 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
SaleBestseller No. 4
Rinnai Indoor Tankless Hot Water Heater / V65iN / Natural Gas / 6.3 GPM, Large, V65iN-Natural 6.5
  • 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
SaleBestseller No. 5
ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology,White
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Amperage (amps): 75. Activation flow: 0. 3 GPM. Flow Rate @ 35 F Rise (gallons/min): 3. 51 gal (US)/min
  • The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire
Bestseller No. 6
Rinnai V53DeN RV53DeN, 5.3 GPM, V53DeN-Natural Gas/ 5.3 GPM
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: High-performance up to 5.3 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
Bestseller No. 7
Rinnai RL94IN RRL94iN, 9.4 GPM, RL94iN-Natural Gas/ 9.4 GPM
  • Energy Factor of .82
  • Built-in Rinnai Circ-LogicTM recirculation program cycles an external pump at pre-set intervals and temperatures to maximize efficiency and comfort
  • Certified for Installation in Manufactured (Mobile) Homes
  • Enhanced scale detection lessens possibility of serious, long-term damage to unit
Bestseller No. 8
Rinnai RL94EN RRL94eN, 9.8 GPM, Outdoor Installation
  • RL94eN HE+ High Efficiency Tankless Hot Water Heater - Natural Gas: Outdoor Installation Only
  • Up to 9.4 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)
Bestseller No. 9
Rinnai V94eN Natural Gas Tankless Hot Water Heater, 9.8 GPM, GPM, V94eN-Natural 9.4 GPM
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: High-performance up to 9.8 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
Bestseller No. 10
Natural Gas Tankless Water Heater Indoor, FOGATTI 4.2 GPM On Demand Hot Water Heater for 3-4 Persons Indoor Use, White
  • 【Endless Hot Water】: Residential hot water heater is able to meet all of your hot water needs. No longer do you need to choose between a hot shower, dish washing and laundry. The Fogatti gas tankless water heater will never run out of hot water and keep everyone happy.
  • 【Easy To Install 】: Use standard 3/4" NPT water fittings and φ3" Vent Pipe for convenient and quick installation. It works under low water pressure, great for all locations including total home, high buildings, apartments, or cabins, etc.
  • 【Instant Water Heater】: High efficiency natural gas tankless hot water heater, Enjoy a comfortable shower without waiting, the Insta hot tankless water heater provides you with hot water instantly, save your valuable time, as well as energy and water.
  • 【Safety & Excellent Quality】: CSA certified. The burner is manufactured by the same factory that produces popular brands sold globally, using the latest European technology, high efficiency and energy saving, The Heat Exchanger is made of oxygen-free copper, efficient and durable;According to DOE test standard, the capacity is up to 4.2 GPM @ 67℉ Temperature Rise(Equivalent to 6.2 GPM with a 45℉ temp Rise). Auto cut-off & anti-dry burning protection.
  • 【Space Saving 】: Compact design allows for installation in all non-traditional spaces such as a crawl space, the garage or even a closet. The tankless water heater indoor is only the size of a small suitcase. Re-think the traditional tank, saving floor space in your home.
Are you searching for top 10 rated gas tankless water heater for the money in 2021? After evaluating and analyzing in detail more than 99,613 customer satisfaction about top 10 best gas tankless water heater in 2021, we have come up with the top 10 rated products you may be interested in. We have ranked the best brands from Artificial Intelligent and Big Data, as you see below:

Our Best Choice: Takagi TK-540P-NIH Takagi TK-540P-NIH 10 GPM Residential Natural Gas Tankless Water Heater with 199000 Maximum BTU Input


Our rating:4.9 out of 5 stars (4.9 / 5)





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