11 best noritz tankless water heater passed our test 2024

• BEST OVERALL: Noritz EZTR40LP 40 gal Tank Replacement Indoor Tankless Water Heater 
• BEST QUALITY: Noritz NRC71DVNG Indoor Condensing Direct Vent Tankless Water Heater
• BEST BUDGET: Noritz EZ98DVNG Tankless Water Heater GQ-C2859WX-FF US NG

1. BEST OVERALL: Noritz EZTR40LP 40 gal Tank Replacement Indoor Tankless Water Heater 

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• Endless hot water
• Direct replacement for existing 40 gal tank water heater
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This propane-free water heater works well as an introduction to tankless units, and it is the ideal replacement for a 40-50 gallon tank. Besides, with a flow rate of 6.6 GPM and an efficiency of 87%, this best noritz tankless water heater will satisfy the needs of your whole family.

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2. BEST QUALITY: Noritz NRC71DVNG Indoor Condensing Direct Vent Tankless Water Heater

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• Endless hot water
• Very high efficiency
• Compact Space Saving Design
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This unit can provide hot water for up to three showers together, thanks to a fast flow rate of up to 7.1. Besides, this best noritz tankless water heater is also equipped with low direct noX electric ignition and condenser technology which contributes to a high-efficiency improvement of 89%. Furthermore, this product comes with a 12-year warranty on the heat exchanger.

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3. BEST BUDGET: Noritz EZ98DVNG Tankless Water Heater GQ-C2859WX-FF US NG

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• Top mount water connections for easy tank replacement
• Versatile applications as it can be installed direct vent (DV), single vent (sv), 2 inch flex vent (fsv) or outdoor (OD)
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The most efficient model is this natural gas tankless water heater from the EZ series, which produces up to 9.8 GPM at 98% efficiency. Besides, with a neat and compact design, you can easily install the device with many configurations, and the product also connects to the internet to make control easy. Moreover, the dual heat exchanger is made of high-quality stainless steel, which increases this water heater's durability and service life.

OTHER CHOICES:

• BEST CHOICE (ABOUT $900) Tankless Water Heater, 3.17 GPM Instant Hot Natural Gas Water Heater
• BEST CHOICE ($1300 - $1400): Rinnai RL94EN Tankless Hot Water Heater, 9.8 GPM, Natural Gas
• BEST CHOICE ($1500 - $1600) Rinnai RL94IN Tankless Hot Water Heater, 9.8 GPM, Natural Gas
• BEST CHOICE ($1800 - $1900):  Noritz NRC111-DV NG Condensing Tankless 8.4 GPM Natural Gas Water Heater 

*The prices of the products are just right at the moment when we check. They are subject to changes by the Seller, so some may be slightly different from those found on Amazon when you see them. Please note that they are just for reference. If you want to know the exact price, don't hesitate to check Amazon.