Looking for the best natural gas water heaters? Experience instant hot water with efficiency and reliability.
When it comes to choosing the best natural gas water heaters, efficiency and performance are key. The Rinnai RX199iN offers a remarkable 11.1 GPM flow rate, making it perfect for large households. Meanwhile, the ORBEK delivers a compact design with 100,000 BTU, ideal for smaller spaces. Both options provide on-demand hot water, ensuring you never run out during peak usage.
These versatile heaters cater to various needs, from indoor installations to outdoor setups. With features like smart technology and CSA certification, they stand out in the market. Whether you need a steady supply for showers or dishwashing, these products excel.
In this review, we’ll delve into the benefits of these top-performing models, highlighting their unique features and what makes them stand out. Get ready to find the perfect solution for your hot water needs!



Rinnai RX199iN Tankless Water Heater
The NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater is a game-changer for anyone looking to upgrade their hot water system. This compact unit, about the size of a small suitcase, delivers up to 11.1 GPM, making it perfect for households with multiple fixtures in use simultaneously.
Pros
- Versatile Installation: Can be installed indoors or outdoors with the new Versa Vent system.
- Never Run Out of Hot Water: Provides hot water on demand, supporting up to 7 fixtures at once.
- High Energy Efficiency: Achieves a UEF of .98, helping to reduce energy costs.
- Smart Technology: Features a user-friendly interface and a Quick Flush option for easier maintenance.
- Professional Installation Recommended: Ensures optimal performance and safety when set up by qualified technicians.
Cons
- Requires Professional Installation: DIY installation is not recommended, which may add to initial setup costs.
- WiFi Module Not Included: Controlr module for WiFi control must be purchased separately.
Overall, the Rinnai RX199iN is an excellent choice for anyone seeking a reliable and efficient tankless water heater.
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ORBEK Natural Gas Tankless Water Heater
If you’re in the market for a reliable and efficient water heating solution, the Natural Gas Tankless Water Heater – ORBEK is an excellent choice. With a powerful output of 100,000 BTU and the ability to deliver up to 4.3 GPM, this indoor unit can serve multiple fixtures simultaneously, ensuring you never run out of hot water.
Pros
- Endless hot water: Capable of serving 2-3 fixtures at once.
- Safety features: CSA certified with dry combustion, overheat, water leakage, flame failure, and high water pressure protections.
- Energy efficiency: Made from high-quality oxygen-free copper for superior heat transfer and adjustable heating modes to save on energy costs.
- Compact design: Space-saving dimensions of 20.5″H x 13.0″L x 7.0″W.
- Stable temperature control: Built-in chip adjusts heating power 20,000 times per second for consistent temperatures.
- LED digital display: Easy temperature adjustments with a power outage memory function.
- Low water pressure start technology: Operates efficiently at water pressures from 15 to 150 PSI.
- Easy installation: Fits standard vent and fitting sizes, though professional installation is recommended.
Cons
- Vents and water valve kit not included.
- Professional installation may be necessary for optimal performance.
Overall, the Orbek Natural Gas Tankless Water Heater is a top-tier choice for anyone seeking efficiency and reliability in their hot water supply.
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Rinnai Tankless Natural Gas Water Heater
I recently purchased the Tankless Water Heater Natural Gas, and I couldn’t be more satisfied with its performance. This unit delivers an impressive 4.74 gallons per minute (GPM) of hot water, making it ideal for simultaneous use in bathrooms and kitchens. With a maximum temperature rise of 167°F and a digital display, adjusting the settings is a breeze.
Pros
- High Efficiency: Delivers on-demand hot water with a maximum output of 68,000 BTU/hour.
- Space-Saving Design: Saves over 50% of space compared to traditional tank water heaters.
- Quality Construction: Made from stainless steel and features a built-in oxygen-free copper water tank for durability.
- Multi-Protection Features: Includes flame failure device, anti-freezing protection, and over heating protection for enhanced safety.
- Easy Installation: Comes with standard fittings and a horizontal vent pipe for a quick setup.
Cons
- Requires proper ventilation for normal operation.
- Not suitable for areas with low water pressure below 3.6 PSI.
- In cold weather, residual water must be drained to prevent freezing.
Overall, the Tankless Water Heater is an excellent investment for anyone looking for a reliable and efficient hot water solution.
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Rheem High Efficiency Outdoor Tankless Water Heater
If you’re in the market for a reliable and efficient water heating solution, the Rheem RTG-70XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater is an excellent choice. With a capacity of 7.0 GPM, this unit ensures continuous hot water for your entire household, even when multiple applications are in use, like showers and dishwashers.
Pros
- Continuous Hot Water: Provides enough hot water for simultaneous use across multiple fixtures.
- Energy Efficient: Operates only when needed, helping to save on energy costs.
- Water Saving Feature: Can save up to 1,100 gallons of water annually with its water-saving setting.
- Hot-Start Programming: Keeps the unit ready to provide hot water instantly, eliminating cold-water bursts.
- Compact Design: Smaller size and reduced weight make installation easier and save valuable space.
Cons
- Outdoor Installation Only: Limited to outdoor use, which may require additional plumbing considerations.
- Initial Cost: Higher upfront cost compared to traditional tank water heaters.
Overall, the Rheem RTG-70XLN-3 is a top-tier choice for those seeking the best natural gas water heaters, combining efficiency, convenience, and space-saving design.
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Rheem High Efficiency Tankless Water Heater
Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater: 9.5 GPM, natural gas, energy-efficient, 2-year warranty.
Benefits
- Provides continuous hot water for multiple applications simultaneously, such as showers and dishwashers.
- High efficiency saves on energy costs, operating only when hot water is needed.
- Water-saving setting conserves up to 1,100 gallons of water annually.
- Hot-start programming keeps the unit ready, eliminating cold-water bursts.
- LeakGuard Leak Detection protects your home from potential water damage by identifying leaks promptly.
Drawbacks
- Noisy operation during peak usage times may be noticeable.
- Installation complexity requires professional assistance for optimal performance.
- No built-in recirculation pump may lead to longer wait times for hot water.
A practical pick for homeowners seeking efficiency and reliable hot water, particularly in medium to large homes with multiple hot water needs.
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Faq about best natural gas water heaters:
1:What are the benefits of natural gas water heaters?
Natural gas water heaters offer faster heating, lower operational costs, and longer lifespan compared to electric models. They are also more energy-efficient, making them environmentally friendly.
2:How do I choose the best natural gas water heater?
Consider factors like tank size, energy efficiency ratings, recovery rate, and warranty. Assess your household’s hot water needs to select the right capacity.
3:What is the average lifespan of a natural gas water heater?
The average lifespan of a natural gas water heater is 8 to 12 years, depending on maintenance and usage. Regular checks can extend its life.
4:Are natural gas water heaters safe?
Yes, natural gas water heaters are safe when properly installed and maintained. Ensure regular inspections to prevent gas leaks and ensure ventilation.
5:Can I convert my electric water heater to natural gas?
Yes, conversion is possible but requires professional installation and may involve significant changes to your plumbing and gas lines.
6:What is the cost range for natural gas water heaters?
Prices for natural gas water heaters typically range from $500 to $1,500, depending on capacity, brand, and features. Installation costs are additional.
Conclusion
The Rinnai RX199iN Tankless Water Heater exemplifies cutting-edge technology, offering unparalleled efficiency and instantaneous hot water delivery, making it a premier choice for discerning consumers. Its robust performance and compact design cater to modern living, ensuring optimal space utilization.
Similarly, the ORBEK Natural Gas Tankless Water Heater stands out with its user-friendly interface and reliable operation, providing consistent hot water while emphasizing energy conservation. Both products reflect a commitment to quality and sustainability, appealing to eco-conscious homeowners seeking innovative solutions.