Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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10 Best rinnai v94in natural gases of 2025
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- Best Choice
1
RinnaiRinnai EX22DTWN Direct Vent Wall Furnace, Indoor Natural Gas Heater, Energy Efficient Space Heater, 21,500 BTU, White
Main highlights-
Direct vent wall furnace indoor heater efficiently creates consistent heat and optimizes gas usage with advanced modulating technology responding to temperature fluctuations.
Efficient Consistent Heat
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Perfect for barns, shops, and homes, this heater performs well even at high altitudes, ensuring reliable warmth in various settings.
Ideal for Diverse Environments
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Customers frequently highlight the heater's awesome efficiency, noting its reliable performance in both large and small spaces.
Praised for Efficiency
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- Value for Money
2
RinnaiRinnai CX199iN Condensing Smart Sense Commercial Natural Gas or Propane Tankless Water Heater, 199,000 BTU, 11.1 GPM
Main highlights-
Achieve significant energy savings with a 96% efficiency rating, perfect for eco-conscious households.
Super High Efficiency 96
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Ideal for both indoor and outdoor installations, offering flexible placement options.
Indoor Outdoor Versatility
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Highly praised for its user-friendly app, simplifying setup and troubleshooting.
Smart Connect App Praise
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3
RinnaiNEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU
Main highlights-
Install indoors or outdoors with Smart Sense gas control.
Versatile Installation
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Supports up to 7 fixtures simultaneously with 11.1 GPM.
Ideal for Large Households
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Customers praise its ability to provide continuous hot water.
Endless Hot Water
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4
RinnaiRinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater, Up to 9.8 GPM, Indoor Installation, 199,000 BTU
Main highlights-
Energy-efficient, tankless design heats water on demand. Features LED error codes, and offers up to 7.6 GPM for simultaneous use across 6 fixtures.
Key Features
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Perfect for busy households needing constant hot water across multiple bathrooms and kitchens. Compact size ideal for small spaces.
Ideal Use Cases
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Most praised for never running out of hot water, reliability, and the compact, space-saving design.
Customer Reviews Highlight
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5
RinnaiRinnai V75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
12% OffMain highlights-
Unlimited hot water with up to 7.5 GPM flow rate, energy and space-efficient design, enhanced scale detection for durability.
Key Features
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Perfect for homes with high hot water demand, serving up to 5 appliances simultaneously without compromising water pressure.
Ideal Use Cases
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Most reviews highlight the heater`s reliability, consistent hot water delivery, and energy savings as top benefits.
Customer Praise
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6
RinnaiRinnai RE140eN Non-Condensing Natural Gas Tankless Water Heater, Up to 5.3 GPM, Outdoor Installation, 140,000 BTU
Main highlights-
Energy-conserving tankless design, heats only as needed, with LED diagnostics and up to 5.3 GPM capacity. Includes comprehensive warranties.
Key Features and Benefits
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Perfect for small households or apartments where space is limited and multiple fixtures are used simultaneously. Optimal for regions with suitable groundwater temperatures.
Ideal Use Cases
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Most praised for never running out of hot water, efficient energy use, and the compact, space-saving design ideal for outdoor installation.
Customer Reviews Highlight
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7
RinnaiRinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
Main highlights-
The Rinnai RL75IN delivers up to 7.5 GPM, providing endless hot water in a compact size suitable for various spaces.
Compact and Powerful Design
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Perfect for homes needing simultaneous hot water for multiple showers, laundry, and dishwashing with its high flow rate.
Ideal for Multi-Fixture Use
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Customers praise its reliability and efficiency, noting significant energy savings and consistent hot water supply.
Highly Reliable Performance
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9
RinnaiRinnai REP199iN Smart-Circ Non-Condensing Natural Gas Tankless Water Heater with Built-In Recirculation Pump, Up to 7.9 GPM, Indoor Installation, 199,000 BTU
Main highlights-
The Smart-Circ Intelligent Recirculation technology learns your water use patterns and schedules pump and recirculation for optimal energy efficiency and convenience.
Smart-Circ Energy Efficiency
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Ideal for homes needing a compact solution, this tankless gas water heater can provide up to 7.6 GPM, supporting 6 fixtures simultaneously.
Compact Yet Powerful
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Customers frequently praise the ease of self-installation, especially for those replacing an older unit, with recommendations to follow the installation manual closely.
Easy DIY Installation
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10
RinnaiRinnai RUCS75iN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
13% OffMain highlights-
Our tankless hot water heaters let you enjoy unlimited hot water flow throughout the house with a compact and durable design.
Endless Hot Water Flow
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Capable of serving up to 6 appliances at once, making it perfect for households with high hot water demands.
Ideal for Large Families
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Customers consistently praise the unit for providing endless hot water, even when multiple showers and appliances are running simultaneously.
Consistent Hot Water Supply
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