Best Noritz Natural Gas Water Heaters In September 2026

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You might be planning on getting the Best Noritz Natural Gas Water Heaters. Everyone loves products that prove to be invaluable investments. Check out our list of Top 10 Best Noritz Natural Gas Water Heaters here.

To help you in your search, we have completed this list of the Best Noritz Natural Gas Water Heaters.

Top Rated Best Noritz Natural Gas Water Heaters Of 2026

Rank	Product Name	Score
1	Noritz NR50ODNG Outdoor Tankless Water Heater, max. 120,000 Btuh, 5.0 Gpm - Natural Buy Now	9.7 Buy Now
2	Noritz NR66ODNG Outdoor Tankless Water Heater, max. 140,000 Btuh, 6.6 Gpm - Natural Buy Now	9.5 Buy Now
3	Rinnai RL94IN Tankless Hot Water Heater, 9.8 GPM, Natural Gas, Indoor Installation Buy Now	9.1 Buy Now
4	Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation Buy Now	8.8 Buy Now
5	Rinnai RL94EN Tankless Hot Water Heater, 9.8 GPM, Natural Gas, Outdoor Installation Buy Now	8.6 Buy Now
6	Noritz NRC66ODNG Outdoor Condensing Tankless Water Heater, 6.6 GPM - Natural Gas Buy Now	8.3 Buy Now
7	Noritz NRC71ODNG Outdoor Condensing Tankless Water Heater, 7.1 GPM - Natural Gas Buy Now	8.1 Buy Now
8	Noritz NRC111-DV NG Condensing Tankless 8.4 GPM Natural Gas Water Heater Buy Now	7.8 Buy Now
9	Noritz EZTR40NG 40 gal Tank Replacement Indoor Tankless Water Heater 6.6 GPM Buy Now	7.5 Buy Now
10	Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per Buy Now	7.2 Buy Now

1. Noritz NR50ODNG Outdoor Tankless Water Heater, max. 120,000 Btuh, 5.0 Gpm - Natural

• Low nox
• High efficiency
• Endless hot water
• Ideal for outdoor applications

2. Noritz NR66ODNG Outdoor Tankless Water Heater, max. 140,000 Btuh, 6.6 Gpm - Natural

• Uef: 0.81
• Ideal for outdoor applications
• High efficiency
• Endless hot water
• Low nox

3. Rinnai RL94IN Tankless Hot Water Heater, 9.8 GPM, Natural Gas, Indoor Installation

• Instant heating: circ-logic technology enables recirculation patterns that coincide with your typical habits, wi-fi monitoring creates hot water on demand
• Energy and space efficient: space-saving design conserves energy as it heats only when necessary
• Guaranteed to last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, parts, and labor respectively
• Optimal water pressure: high-performance 9.8 gpm hot water flow rate for a powerful, constant stream

4. Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation

• Optimal water pressure: high-performance 7.5 gpm hot water flow rate for a powerful, constant stream
• Energy and space efficient: space-saving design conserves energy as it heats only when necessary
• Instant heating: circ-logic technology enables recirculation patterns that coincide with your typical habits, wi-fi monitoring creates hot water on demand
• Guaranteed to last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, parts, and labor respectively

5. Rinnai RL94EN Tankless Hot Water Heater, 9.8 GPM, Natural Gas, Outdoor Installation

• Optimal water pressure: high-performance 9.8 gpm hot water flow rate for a powerful, constant stream
• Instant heating: circ-logic technology enables recirculation patterns that coincide with your typical habits, wi-fi monitoring creates hot water on demand
• Guaranteed to last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, parts, and labor respectively
• Energy and space efficient: space-saving design conserves energy as it heats only when necessary

6. Noritz NRC66ODNG Outdoor Condensing Tankless Water Heater, 6.6 GPM - Natural Gas

• Compact space saving design
• Very high efficiency
• Low nox
• Endless hot water

7. Noritz NRC71ODNG Outdoor Condensing Tankless Water Heater, 7.1 GPM - Natural Gas

• Package weight : 22.226 kilograms
• Direct ignition no standby pilot light. thermal fuse automatic overheat protection system
• Package dimensions: 25.4 l x 63.5h x42.545w(centimeters)
• Product type: plumbing fixture
• Country of origin: china

8. Noritz NRC111-DV NG Condensing Tankless 8.4 GPM Natural Gas Water Heater

• Dramatic reduction of carbon dioxide increases heater's efficiency level to 93%
• Self-diagnostic onboard computer system
• Fusion of stainless steel and copper heat exchangers
• 199,900 btu, .05 gpm activation flow rate
• Super efficient tankless condensing heater

9. Noritz EZTR40NG 40 gal Tank Replacement Indoor Tankless Water Heater 6.6 GPM

• High efficiency
• Direct replacement for existing 40 gal tank water heater
• Low nox
• Endless hot water

10. Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per

• Computerized safety features, no pilot light to have to worry about
• Endless hot water, on-demand usage, compact, space saving, energy conservation
• Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes
• Primary heat exchanger utilizes commercial-grade copper alloy for 25 times better heat transfer than stainless steel, integrated controls and power cord as standard features
• Satisfies the 2012 scaqmd rule 1146.2 for ultra-low nox emissions