Best Energy Efficient Water Heater: Top 5 Tankless Options to Buy

Choosing the best energy-efficient water heater can save you money and help the environment. This guide will help you find the right one.

Selecting an energy-efficient water heater is essential for reducing energy bills and promoting sustainability. In this blog post, we will explore the top choices available. From EcoSmart’s electric models to Rheem’s high-efficiency natural gas heaters, each option offers unique benefits.

We will cover key features, including size, capacity, and technological advancements, to help you make an informed decision. Whether you need a compact model for limited space or a powerful unit for larger needs, these selections cater to various requirements. By the end of this guide, you will have a clearer understanding of which energy-efficient water heater best suits your home.

Ecosmart Eco 27 Tankless Water Heater

EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5

The EcoSmart ECO 27 Tankless Water Heater is a highly efficient and compact solution for your water heating needs. This electric water heater is designed to provide endless hot water while reducing energy consumption.

Pros:

  • Highly efficient and compact design
  • Endless hot water supply
  • Reduces energy consumption
  • Saves space due to its small dimensions

Cons:

  • Installation may require professional help
  • Initial cost might be higher compared to traditional water heaters
  • Performance can be affected by extremely cold climates

The EcoSmart ECO 27 Tankless Water Heater stands out due to its efficiency and compact size. It is an electric water heater that uses 27-kW of power, making it capable of providing an endless supply of hot water. The dimensions of this unit are 17 x 17 x 3.5 inches, and it weighs approximately 11 pounds, which makes it easy to install in various locations, saving valuable space in your home.

One of the main advantages of this tankless water heater is its ability to reduce energy consumption significantly. Unlike traditional water heaters that continuously heat water in a tank, the EcoSmart ECO 27 heats water only when needed. This on-demand heating system can lead to substantial energy savings. Additionally, the unit is aesthetically pleasing with its white color, making it a great fit for any home decor. However, potential buyers should consider the installation requirements and the initial cost, which may be higher than conventional water heaters. Overall, the EcoSmart ECO 27 is a reliable and efficient choice for modern households looking to save energy and space.

To buy this product, click here.

Rheem Rtgh-95dveln-3 Super High Efficiency Condensing Indoor Tankless Natural Gas Water Heater

Rheem RTGH-95DVELN-3 Super High Efficiency Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM with WiFi

The Rheem RTGH-95DVELN-3 Super High Efficiency Condensing Indoor Tankless Natural Gas Water Heater is a remarkable product designed for efficiency and performance. With a flow rate of 9.5 GPM and equipped with WiFi capability, this water heater offers both convenience and powerful performance. It comes in a sleek gray color and has been meticulously crafted by Rheem, a trusted name in the industry. The dimensions of this unit are 23.7 inches in height, 17.7 inches in width and length, and it weighs 51.34 pounds.

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Pros:

  • High Efficiency with a 9.5 GPM flow rate
  • WiFi capability for remote control and monitoring
  • Compact dimensions suitable for indoor installation
  • Trusted Brand – Rheem
  • Energy-saving technology

Cons:

  • Higher initial cost compared to traditional water heaters
  • Requires professional installation
  • Maintenance may be more complex

The Rheem RTGH-95DVELN-3 offers an impressive combination of high efficiency and advanced features. Its 9.5 GPM flow rate ensures that you have a continuous supply of hot water, making it ideal for larger households. The WiFi capability adds a layer of convenience, allowing users to monitor and control the unit remotely, thus enhancing the overall user experience. Additionally, its compact dimensions make it a great fit for indoor installations where space might be a constraint.

On the downside, the higher initial cost might be a concern for some, but the long-term energy savings and performance can justify the investment. Professional installation is required, which could add to the upfront cost, and maintenance might be more complex compared to traditional water heaters. However, considering the trusted brand and the advanced features, the Rheem RTGH-95DVELN-3 stands out as a reliable and efficient choice for those looking to upgrade their water heating system.

To buy this product, click here.

New Rinnai Rx199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater

NEW 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

The NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater is a high-performance water heater designed for both indoor and outdoor use. With a remarkable capacity of up to 11.1 GPM and a power output of 199,000 BTU, it promises a continuous supply of hot water for various household needs.

Pros:

  • High Capacity: Up to 11.1 GPM ensures a steady hot water supply.
  • Dual Fuel Options: Compatible with both natural gas and propane.
  • Smart Sense Technology: Ensures efficient operation and energy savings.
  • Versatile Installation: Suitable for both indoor and outdoor setups.
  • Compact Design: Space-saving with dimensions of 30.11 x 18.5 x 18.5 inches.

Cons:

  • Installation Costs: Professional installation may add to initial costs.
  • Weight: At 55 pounds, it may require additional support during installation.
  • Price: Higher upfront cost compared to traditional water heaters.

The Rinnai RX199iN offers significant advantages in terms of performance and efficiency. The unit’s high capacity of up to 11.1 GPM ensures that you never run out of hot water, making it ideal for large households or multiple simultaneous uses. Additionally, the dual fuel compatibility allows for flexible installation in various settings, whether you have access to natural gas or propane.

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Another standout feature is the Smart Sense Technology, which optimizes energy use and reduces utility bills over time. While the initial installation costs and the unit’s weight may pose challenges, the long-term benefits and reliability of the Rinnai RX199iN make it a worthwhile investment. Its compact design also helps in saving space, making it a versatile choice for different types of homes.

To buy this product, click here.

Rheem Rtg-95dvln-3 High Efficiency Non-condensing Indoor Tankless Natural Gas Water Heater

Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM

The Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater is designed to provide consistent and reliable hot water on demand. This model is known for its high efficiency and compact design which makes it a perfect choice for modern households. With a flow rate of 9.5 GPM, it ensures that you never run out of hot water, even during peak usage times.

Pros:

  • High efficiency ensures lower energy bills.
  • Compact design saves space.
  • Consistent hot water on demand with 9.5 GPM flow rate.
  • Reliable performance from a trusted brand like Rheem.

Cons:

  • Installation costs can be higher compared to traditional water heaters.
  • May require professional maintenance periodically.

The Rheem RTG-95DVLN-3 is an exceptional choice for those seeking a high efficiency water heating solution. Its compact size makes it easy to install in smaller spaces, while still providing the robust capacity needed for larger households. The 9.5 GPM flow rate ensures that multiple outlets can receive hot water simultaneously, making it ideal for busy families.

However, potential buyers should consider the higher installation costs associated with tankless models. Additionally, professional maintenance may be necessary to ensure optimal performance over time. Despite these considerations, the Rheem RTG-95DVLN-3 stands out for its energy efficiency, reliability, and space-saving design, making it a worthy investment for modern homes.

To buy this product, click here.

Ecosmart Eco 11 Electric Tankless Water Heater

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

The EcoSmart ECO 11 Electric Tankless Water Heater is a highly efficient and space-saving solution for providing hot water. With a power output of 13KW at 240 Volts and Patented Self Modulating Technology, this unit is designed to deliver hot water on demand while conserving energy.

Pros:

  • Energy-efficient operation
  • Compact size saves space
  • Self modulating technology adjusts energy usage
  • Easy installation and maintenance

Cons:

  • Limited flow rate may not support multiple simultaneous uses
  • Requires professional installation for optimal performance

The EcoSmart ECO 11 is a modern solution for households looking to save on energy bills while enjoying the convenience of hot water on demand. Its compact dimensions (Height: 11.5 inches, Width: 8.0 inches, Length: 3.75 inches) and lightweight design (6.5 Pounds) make it an ideal choice for small spaces. The unit is available in white, which blends well with most interior decor.

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One of the standout features of this water heater is its Patented Self Modulating Technology, which ensures that the heater only uses the amount of energy required to heat the water that is needed. This results in significant energy savings over time. However, it’s important to note that the limited flow rate may not be sufficient for households with high simultaneous hot water demands. For best results, professional installation is recommended to ensure the unit operates at its peak performance.

To buy this product, click here.

Frequently Asked Questions

What Is The Most Energy Efficient Water Heater?

The EcoSmart ECO 27 is highly energy efficient. It uses advanced self-modulating technology, adjusting energy use based on demand.

Which Water Heater Has The Highest Gpm?

The NEW Rinnai RX199iN offers the highest GPM, up to 11. 1. It is suitable for larger households with high hot water needs.

Does The Rheem Rtgh-95dveln-3 Have Wifi Capability?

Yes, the Rheem RTGH-95DVELN-3 includes built-in WiFi. This feature allows remote monitoring and control for added convenience.

Can Ecosmart Eco 11 Be Used In Small Spaces?

Yes, the EcoSmart ECO 11 is compact and perfect for small spaces. It is efficient for smaller households or point-of-use applications.

Is The Rheem Rtg-95dvln-3 Energy Efficient?

Yes, the Rheem RTG-95DVLN-3 is highly energy efficient. It offers superior performance with lower energy consumption, reducing overall costs.

Conclusion

Choosing the best energy-efficient water heater can save you money and reduce your environmental impact. Each option we discussed offers unique benefits. The ecosmart eco 27 is ideal for smaller spaces, while the rheem rtgh-95dveln-3 provides high efficiency for larger homes.

The rinnai rx199in offers flexible installation options and high flow rates. The rheem rtg-95dvln-3 is another strong contender for its efficiency and reliability. Lastly, the ecosmart eco 11 is perfect for smaller households needing efficient heating. Consider your household size, energy source, and budget when making a decision.

Investing in an energy-efficient water heater is a wise choice for long-term savings and environmental benefits. Make sure to read reviews and compare features to find the best fit for your needs. Save energy, save money, and enjoy consistent hot water with the right energy-efficient water heater.

Joye
Joye

I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.