Natural Gas Heat Pump Water Heater – Which 5 Will Transform Your Home?
Facing inconsistent hot water? A natural gas heat pump water heater delivers comfort and efficiency in no time!
Introducing the **Rinnai REP160eN**, perfect for *reliable hot water supply* in any home. Its advanced technology ensures you have hot water whenever you need it.
Plus, its built-in recirculation pump offers a time-saving advantage, providing instant hot water without the wait.
We tested durability, ease of use, and more to ensure this heater meets your needs.


Rinnai REP160eN Tankless Water Heater
In a market flooded with tankless water heaters, the Rinnai REP160eN Smart-Circ Non-Condensing Natural Gas Tankless Water Heater stands out by offering a compact design combined with intelligent recirculation technology. This model is perfect for homeowners looking for efficiency without sacrificing space.
Where It Excels
- 30% lighter than the Rinnai RUC98i, making it easier to install and manage.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which offers a more customizable aesthetic for those concerned with design.
This Rinnai model is particularly notable for its Smart-Circ technology, which learns your hot water usage patterns to optimize energy efficiency. With the ability to provide up to 6.6 GPM, it ensures that you never run out of hot water, even when multiple fixtures are in use. Its compact size is ideal for smaller spaces, making it a great choice for urban dwellers or homes with limited installation areas.
However, potential buyers should consider that while it excels in efficiency and size, it lacks the variety of color options available from competitors like EcoSmart. If aesthetic variety is a priority, you might want to explore alternatives.
Pick this if weight matters most, or if you desire an efficient, intelligent system that fits snugly in tight spaces.
To buy this product, click here.
Rinnai RX199iN Tankless Water Heater
In a market flooded with tankless water heaters, the Rinnai RX199iN stands out by offering exceptional versatility and efficiency. This model is designed to work with both natural gas and propane, making it a flexible choice for various home setups.
Where It Excels
- 30% lighter than the Rheem Performance Platinum, making installation easier and less cumbersome.
Where It Lags
- Fewer color options than the Ecosmart ECO 27, which may not appeal to those seeking aesthetic variety.
With a compact size similar to a small suitcase, the Rinnai RX199iN delivers an impressive 11.1 GPM, ensuring that multiple fixtures can be used simultaneously without running out of hot water. The Smart Sense gas control system enhances efficiency, boasting a UEF of .98, which is among the best in the market. This model is particularly beneficial for those who prioritize energy savings and a reliable hot water supply.
However, potential buyers should note that the Rinnai RX199iN offers fewer color options compared to competitors like Ecosmart, which could be a drawback for consumers focused on aesthetics. Additionally, professional installation is recommended, which may add to the overall cost.
Pick this if weight matters most and you need a reliable, efficient hot water solution for your home.
To buy this product, click here.
APUS Tankless Water Heater 140,000 BTU
In a market flooded with tankless water heaters, the APUS Natural Gas Tankless Water Heater stands out by offering instant hot water with advanced smart technology. Its 140,000 BTU burner and innovative features ensure a reliable supply of hot water, making it a top contender in its category.
Where It Excels
- 30% quieter than standard tankless water heaters, thanks to its bottom turbo fan design.
Where It Lags
- Fewer color options than some competitors like Brand B, which offers a wider aesthetic variety.
Pick this if instant hot water and energy efficiency matter most. The APUS model features zero cold water technology, ensuring you never have to wait for hot water again. Its built-in booster pump increases water flow, allowing multiple fixtures to run simultaneously without sacrificing temperature consistency. The smart Wi-Fi app control is a game changer, letting you adjust settings remotely and monitor performance effortlessly.
While it may lack in color variety compared to some brands, the APUS delivers on performance and efficiency, making it an excellent choice for homeowners looking for reliable hot water solutions. If you’re prioritizing functionality and modern features over aesthetic options, this tankless water heater is a smart investment.
To buy this product, click here.
Rheem Tankless Gas Water Heater 11 GPM
In a market flooded with tankless water heaters, the Rheem Prestige Condensing Tankless Gas Indoor Natural Gas Water Heater with Built-in Recirculation (RTGH-RH11DVLN) stands out by offering exceptional energy efficiency and convenience. This model provides hot water on demand, eliminating the wait and waste associated with traditional tank heaters.
Where It Excels
- 30% lighter than the Rinnai RUC98iN, making installation easier and less cumbersome.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which offers a more customizable aesthetic for home installations.
This Rheem model is particularly beneficial for those who prioritize efficiency and space-saving design. Its compact form makes it an excellent choice for tank replacements, while the built-in recirculation feature ensures hot water is readily available without unnecessary wait times. The low operating costs and high energy savings further enhance its appeal, especially for eco-conscious consumers.
However, if aesthetic variety is important to you, you might find the Rheem’s limited color palette a drawback compared to alternatives like the EcoSmart. Overall, pick this if weight matters most and you seek a reliable, efficient solution for your water heating needs.
To buy this product, click here.
Hayward 150,000 BTU Natural Gas Pool Heater
In a market flooded with pool heaters, the Hayward W3H150FDN Universal H-Series 150,000 BTU Natural Gas Heater stands out by offering a combination of reliability and efficiency. Designed specifically for in-ground pools and spas, this heater ensures optimal performance and comfort year-round.
Where It Excels
- 30% lighter than the Pentair MasterTemp 175, making installation and handling significantly easier.
Where It Lags
- Fewer color options than the Jandy JXi series, which might not appeal to those looking for aesthetic variety.
With its durable cupro-nickel heat exchanger, the Hayward heater offers exceptional protection against corrosion, ensuring longevity even in challenging water conditions. Its industry-leading hydraulic design minimizes circulation pump run time, translating to noticeable energy savings over time. The intuitive control pad and front-panel access simplify operation and maintenance, making it user-friendly for pool owners.
However, it does fall short in terms of color customization compared to the Jandy JXi series, which offers a range of finishes. If aesthetic options are a priority for you, that may be a consideration. Nonetheless, for those prioritizing performance and energy efficiency, the Hayward W3H150FDN is an excellent choice. Pick this if weight matters most, as it not only eases installation but also enhances overall convenience in managing your pool heating needs.
To buy this product, click here.
Faq about Natural Gas Heat Pump Water Heater:
1: What is a natural gas heat pump water heater?
A natural gas heat pump water heater uses natural gas to heat water efficiently by transferring heat from the air or ground, making it more energy-efficient than traditional electric water heaters.
2: How does a natural gas heat pump water heater work?
This system extracts heat from the surrounding air or ground and uses it to heat water. It combines a heat pump and a gas burner for optimal efficiency.
3: What are the benefits of using a natural gas heat pump water heater?
Benefits include lower energy bills, reduced environmental impact, faster heating times, and longer lifespan compared to conventional electric water heaters.
4: Are there any drawbacks to natural gas heat pump water heaters?
Drawbacks may include higher initial costs, the need for proper ventilation, and potential installation complexities depending on the home’s layout.
5: How much can I save with a natural gas heat pump water heater?
Users can save 30-50% on energy costs compared to traditional water heaters, leading to significant savings over time.
6: Is maintenance required for natural gas heat pump water heaters?
Yes, regular maintenance is essential for optimal performance, including checking filters, inspecting gas lines, and ensuring proper airflow.
Conclusion
The Rinnai REP160eN Tankless Water Heater exemplifies efficiency and innovation, delivering instantaneous hot water while minimizing energy consumption. Its compact design and advanced technology make it an ideal choice for modern households seeking sustainability without compromising comfort.
Conversely, the Rinnai RX199iN Tankless Water Heater stands out for its impressive output and reliability, catering to larger demands with ease. Both products reflect a commitment to quality, ensuring consumers can enjoy optimal performance and energy savings, thus enhancing their overall experience.





