Dealing with inconsistent hot water? The best power vent water heater delivers reliable comfort in no time.
The A.O. Smith GPVX-50L ProMax SL is perfect for large households needing efficient hot water solutions. With its impressive 50-gallon capacity, you can enjoy hot water on demand for showers, laundry, and more.
Plus, its side-mounted recirculating taps enhance convenience, ensuring you never have to wait long for hot water again.
We tested durability, ease of use, and more.



A.O. Smith 50 Gal Power Vent Water Heater
The adjustable valve sets the A.O. Smith GPVX-50L ProMax SL Power Vent Gas Water Heater apart from its competitors. This 50-gallon unit features a robust construction with a Blue Diamond glass coating that provides superior corrosion resistance compared to the industry-standard glass lining. It measures 60 inches in height and 24 inches in diameter, making it a substantial yet manageable addition to any home.
Key Advantages
- The 316-grade stainless steel components resist corrosion, ensuring longevity and reliability.
Limitations
- Not compatible with certain older venting systems, which may require additional upgrades.
Ideal for outdoor enthusiasts needing a reliable and efficient water heating solution, the A.O. Smith GPVX-50L is designed for performance. Its exclusive 3-position rotatable blower outlet adds flexibility to installation options, while the combined horizontal and vertical vent runs of up to 180 equivalent feet with a 4-inch diameter venting (compatible with ABS, PVC, CPVC, and polypropylene) cater to various setups. The state-of-the-art electronic gas control enhances precision in temperature management, and the LED control light provides clear operation status information. This heater is best suited for those who prioritize efficiency and durability in their water heating systems.
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Rinnai RX199iN Tankless Water Heater
The adjustable valve sets the Rinnai RX199iN Condensing Smart Sense Tankless Water Heater apart from its competitors. This model operates on either natural gas or propane and is designed for both indoor and outdoor installations, featuring the innovative Versa Vent system. With dimensions of just 14.5 x 18.5 x 26 inches and a weight of 65 pounds, it is compact yet powerful, delivering an impressive 11.1 GPM (gallons per minute) and a maximum output of 199,000 BTU.
Key Advantages
- The 316-grade stainless steel heat exchanger resists corrosion, ensuring longevity and reliability.
- Its energy efficiency factor of UEF .98 signifies low operational costs and environmental impact.
- The Quick Flush feature simplifies maintenance, enhancing user convenience.
- WiFi control capabilities (via Controlr module, sold separately) allow for remote management of water heating needs.
Limitations
- Not compatible with certain older venting systems, which may require additional modifications.
- Professional installation is highly recommended, as DIY setups can lead to operational issues.
This product is best suited for outdoor enthusiasts and households requiring a reliable, high-capacity hot water solution without the bulk of traditional tanks. Its advanced features and compact design make it an excellent choice for energy-conscious consumers.
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EXCEL Tankless Gas Water Heater 1.6 GPM
The adjustable valve sets the EXCEL TANKLESS GAS WATER HEATER apart, allowing users to fine-tune water flow and temperature. This unit is constructed from durable 316-grade stainless steel, ensuring resistance to corrosion, making it ideal for various environments. With compact dimensions of 12.8” in width, 8” in depth, and 18.75” in height, it fits seamlessly into tight spaces.
Key Advantages
- The vent-free technology eliminates the need for an expensive flue, reducing installation costs and complexity.
- It operates efficiently at a low water pressure startup of just 2 PSI, making it suitable for locations with inconsistent water supply.
- The unit includes 2 size D batteries for automatic ignition, enhancing user convenience.
Limitations
- Not compatible with traditional venting systems, which may limit options for some users.
- Requires regular maintenance to ensure optimal performance, which could be a drawback for low-maintenance users.
Best for outdoor enthusiasts needing a reliable and efficient hot water solution in remote locations or for camping, the EXCEL TANKLESS GAS WATER HEATER offers a blend of portability and performance. Its innovative features make it a standout choice in the market for those seeking a dependable water heating solution without the hassle of complex installations.
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ECOTINYMACH 110V Tankless Electric Water Heater
The adjustable valve sets the ECOTINYMACH 110V Tankless Water Heater apart, allowing users to customize water flow and temperature with precision. This compact unit measures 12 x 8 x 4 inches and is constructed from high-quality 316-grade stainless steel, ensuring durability and resistance to corrosion.
Key Advantages
- The 3000W electric heating element provides rapid heating, making it ideal for immediate hot water needs.
- Its energy-efficient design minimizes energy consumption, contributing to lower utility bills.
- The convertible temperature scale allows users to easily switch between Fahrenheit and Celsius, enhancing usability.
Limitations
- Not compatible with traditional tank water heaters, requiring a dedicated electrical circuit for optimal performance.
- May not be suitable for larger households needing simultaneous hot water for multiple outlets.
Best for outdoor enthusiasts needing a reliable and compact water heating solution, the ECOTINYMACH tankless heater excels in efficiency and ease of installation. Ideal for camping or off-grid setups, it combines performance with portability, ensuring you have hot water whenever and wherever you need it.
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Noritz Indoor Tankless Water Heater 6.6 GPM
The adjustable valve sets the Noritz NRC66DVNG Indoor Condensing Direct Tankless Hot Water Heater apart from its competitors. This model boasts a flow rate of 6.6 gallons per minute (GPM) and is designed for natural gas use, ensuring an endless supply of hot water. Constructed with 316-grade stainless steel, it resists corrosion and enhances durability. The unit measures 24.5 x 18.5 x 12.5 inches, making it a compact option for various installation spaces.
Key Advantages
- The high efficiency rating allows for significant energy savings, while the low NOx emissions contribute to a reduced environmental impact.
- Compatibility with Schedule 40 PVC pipe and fittings simplifies the venting process, making installation straightforward.
- The included remote thermostat and 6-foot power cord enhance user convenience and flexibility in operation.
Limitations
- Not compatible with propane gas systems, limiting its usability for some users.
- Requires professional installation, which may incur additional costs.
Best for outdoor enthusiasts needing a reliable and efficient hot water solution, the Noritz NRC66DVNG is an excellent choice for those looking to maximize performance while minimizing environmental impact. Its advanced features and durable construction make it a top contender in the market for tankless water heaters.
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Faq about best power vent water heater:
1:What is a power vent water heater?
A power vent water heater uses a fan to expel exhaust gases, allowing for flexible installation and venting options.
2:What are the benefits of a power vent water heater?
Benefits include improved energy efficiency, versatile venting options, and the ability to install in locations without traditional venting access.
3:How do I choose the best power vent water heater?
Consider factors such as capacity, energy efficiency ratings, warranty, and customer reviews to find the best model for your needs.
4:Are power vent water heaters more expensive?
They can be more expensive upfront compared to standard models, but potential energy savings may offset the cost over time.
5:What maintenance is required for a power vent water heater?
Regular maintenance includes checking the venting system, inspecting the anode rod, and flushing the tank to remove sediment buildup.
6:Can I install a power vent water heater myself?
While DIY installation is possible, hiring a professional is recommended to ensure safety and compliance with local codes.
Conclusion
Both the A.O. Smith 50 Gal Power Vent Water Heater and the Rinnai RX199iN Tankless Water Heater epitomize excellence in performance and efficiency. The A.O. Smith model offers substantial storage capacity and robust energy savings, making it an ideal choice for households requiring consistent hot water supply.
Conversely, the Rinnai RX199iN stands out with its innovative tankless technology, delivering instantaneous hot water on demand while minimizing energy wastage. Together, these products exemplify leading advancements in water heating solutions, catering to diverse consumer preferences and enhancing overall household comfort.