Explore the top tankless water heaters for 2023 in our in-depth reviews. Find the perfect fit for your home and save on energy costs. Tankless water heaters offer efficiency, sustainability, and convenience, setting a new standard in domestic water heating technology. They operate on gas or electricity, providing hot water on demand and significant energy savings. Brands abound, each with its own set of advantages, drawbacks, and technical specifications. This article aims to simplify your decision-making process by reviewing and comparing the leading tankless gas water heaters of 2023.
- Discover the top tankless gas water heaters for 2023.
- Understand the benefits of tankless water heaters.
- Learn how tankless water heaters save energy and money.
- Compare the advantages and drawbacks of different brands.
- Make an informed decision for your home's hot water needs.
The Best Tankless Gas Water Heater: EcoSmart ECO 11
The EcoSmart ECO 11 is the epitome of a high-quality tankless gas water heater. It surpasses all expectations with its exceptional performance, energy efficiency, and space-saving design. This top-rated water heater is perfectly suited for smaller spaces such as bathrooms, small sinks, and offices. It combines advanced technology with eco-friendly features to provide an unparalleled hot water experience.
The EcoSmart ECO 11 features patented Self-Modulating Technology, which ensures that the unit heats water only when it's needed. This remarkable technology results in a 99% thermal efficiency, allowing you to enjoy significant energy savings. With an amperage draw of 54A, the EcoSmart ECO 11 adapts its energy usage to meet your specific heating requirements.
Measuring just 11.5 x 8 x 3.75 inches, the EcoSmart ECO 11's compact, wall-mounted design saves valuable space in your home. Despite its small size, this tankless water heater provides a flexible water flow rate ranging from 1.3 to 3.1 gallons-per-minute, ensuring hot water is readily available whenever and wherever you need it. The digital temperature control allows for precise adjustments, while the unit's compliance with ETL, AHRI Energy Star, and NSF/ANSI 372 standards ensures your safety and peace of mind.
Features Specifications Model EcoSmart ECO 11 Power Source Gas Thermal Efficiency 99% Amperage Draw 54A Water Flow Rate 1.3-3.1 GPM Dimensions 11.5" x 8" x 3.75" Temperature Control Digital Safety Certifications ETL Listed, AHRI Energy Star, NSF/ANSI 372
- High thermal efficiency of 99% for significant energy savings
- Compact and space-saving design
- Digital temperature control for precise adjustments
- Compliance with safety standards for peace of mind
- May be less suitable for homes with only a 120V electrical supply
With the EcoSmart ECO 11, you can enjoy all the benefits of a tankless gas water heater - efficiency, convenience, and cost savings - without compromising on performance. Its compact size and impressive features make it the best choice for smaller spaces. Upgrade to the EcoSmart ECO 11 and experience the next level of hot water comfort and efficiency in your home.
The Best Tankless Gas Water Heater: EcoSmart ECO 18
The EcoSmart ECO 18 is another top contender in the world of tankless gas water heaters. This model is specifically designed for small homes and apartments, as well as larger point-of-use applications. With advanced self-modulating technology, this unit offers remarkable energy savings of up to 60% on water heating costs. It delivers a flow rate ranging from 1.8 to 4.3 gallons per minute, ensuring a consistent supply of hot water whenever you need it.
The sleek and space-saving design of the EcoSmart ECO 18 is another standout feature. It can be easily wall-mounted, freeing up valuable space in your home. This tankless water heater also comes with a lifetime warranty for residential use, giving you peace of mind and confidence in its long-lasting performance.
While the EcoSmart ECO 18 offers impressive benefits, it's worth noting that some users have reported that it takes a little longer to supply hot water at the beginning. However, once the water starts flowing, you can expect a steady and reliable stream of hot water throughout your household.
Model Flow Rate (GPM) Energy Savings Warranty EcoSmart ECO 18 1.8 - 4.3 Up to 60% Lifetime for residential use
*Flow rate, energy savings, and warranty information are approximate and may vary depending on specific usage and installation conditions.
Camplux Tankless Water Heater
The Camplux Tankless Water Heater is a versatile and portable solution designed for outdoor applications, such as camping trips or off-grid living. Its lightweight design, weighing only 10 pounds, makes it easy to transport and set up wherever hot water is needed. The water heater runs on propane and delivers hot water at a flow rate of 1.38 GPM, ensuring a steady supply for various activities.
This compact unit operates effectively at a minimum water pressure of just 3.0 PSI, making it suitable for remote locations. It features a convenient folding handle, allowing for easy carrying and storage. The Camplux Tankless Water Heater also includes a 6-in-1 protection system for safety and peace of mind during outdoor adventures. With a 1-year guarantee, this water heater offers reliability and convenience in outdoor settings.
However, it's important to note that the Camplux Tankless Water Heater may not provide enough hot water for larger groups or for filling a bathtub. It's best suited for smaller, on-the-go applications where portability and convenience are key factors.
Benefits of the Camplux Tankless Water Heater:
- Portable and lightweight design
- Propane-powered for outdoor use
- 6-in-1 protection system for safety
- Ideal for camping trips and off-grid living
Flow Rate 1.38 GPM Minimum Water Pressure 3.0 PSI Weight 10 pounds Fuel Type Propane Safety Features 6-in-1 protection system Warranty 1 year
Stiebel Eltron Tankless Water Heater
The Stiebel Eltron Tankless Water Heater is a premium choice that brings together German engineering and cutting-edge technology. With its Advanced Flow Control technology, this tankless water heater ensures a continuous supply of hot water by automatically adjusting the flow rate if the demand exceeds its capacity.
The Stiebel Eltron Tankless Water Heater is designed to be noise-free and user-friendly, with intuitive digital controls for easy operation. Its solid copper heating system delivers a maximum power output of 14.4kW, providing efficient and reliable performance. The compact and vent-free design of the Tempra 15 Plus model saves space and offers flexibility for installation. Plus, it comes with a 7-year leakage warranty and a 3-year warranty for parts, giving you peace of mind.
With its eco-friendly design, the Stiebel Eltron Tankless Water Heater optimizes energy usage to help you save on utility costs. It is a high-quality option that combines performance, durability, and efficiency, making it an excellent choice for residential water heating needs.
Key Features of the Stiebel Eltron Tankless Water Heater:
- Advanced Flow Control technology ensures uninterrupted hot water supply
- Noise-free and user-friendly operation with digital controls
- Solid copper heating system with a maximum power output of 14.4kW
- Compact and vent-free design for space-saving installation
- 7-year leakage warranty and 3-year parts warranty
Comparison Table: Stiebel Eltron Tankless Water Heater vs. Competitors
Feature Stiebel Eltron Tankless Water Heater Competitor A Competitor B Flow Rate 1.5 - 5.0 GPM 1.8 - 4.3 GPM 1.3 - 3.1 GPM Power Output 14.4kW 18.0kW 11.0kW Warranty 7-year leakage, 3-year parts 5-year on parts 2-year on parts Energy Efficiency High Medium Low Installation Compact, vent-free Wall-mounted Wall-mounted
Eco Touch Tankless Water Heater
The Eco Touch Tankless Water Heater is a versatile and powerful solution for various applications, offering instant hot water with its 5.5kW heating system. Whether it's for a kitchen, a bar, a school, a hospital, or a community center, this tankless water heater delivers reliable performance. With its self-adjusting system, it modulates power input based on real-time flow rate and temperature settings, ensuring a constant supply of hot water. The compact design makes it easy to install, saving valuable space in any setting.
When it comes to temperature adjustment, the Eco Touch Tankless Water Heater offers easy control, allowing users to set the desired hot water temperature. It is compatible with 3/4" NPT water connections and operates under a working pressure of up to 150 PSI. These features make it a suitable choice for a range of applications.
- 5.5kW heating system for powerful performance
- Self-adjusting system for constant hot water supply
- Easy temperature adjustment for personalized comfort
- Compact design for space-saving installation
- Compatible with 3/4" NPT water connections
- Operates under a working pressure of up to 150 PSI
While the Eco Touch Tankless Water Heater is an excellent choice for various applications, it may not be suitable for colder climates or high-demand scenarios. It's important to consider your specific needs and requirements before making a decision. Consulting with a professional can help you determine if this tankless water heater is the right fit for your hot water needs.
The Rheem Tankless Water Heater: Instant Hot Water and Energy Savings
The Rheem Tankless Water Heater is a reliable option that delivers instant hot water and energy savings. With a power output of 18,000 watts and a flow rate that can support multiple showers and other water-demanding activities, this tankless water heater provides a constant supply of hot water when and where you need it most. It comes with a 5-year warranty for the heat chamber and a 1-year warranty for parts, ensuring peace of mind and long-lasting performance.
Designed with industry-standard safety features, the Rheem Tankless Water Heater meets the highest quality and safety standards. However, some users have reported that it may take a little longer to supply hot water at the beginning. Despite this minor inconvenience, the energy-saving benefits of this tankless water heater make it a worthwhile investment for homeowners looking to upgrade their water heating system.
Whether you're looking to replace an outdated water heater or looking for a more efficient option for your new home, the Rheem Tankless Water Heater offers reliability, energy efficiency, and convenience. With its compact size and versatile application, this tankless water heater is suitable for a wide range of households and can bring significant savings to your energy bills.
The Rheem Tankless Water Heater: Key Features
- Power output: 18,000 watts
- Flow rate: Supports multiple showers and water-demanding activities
- Warranty: 5-year warranty for the heat chamber, 1-year warranty for parts
- Safety: Meets industry standards for safety and quality
- Installation: Professional installation recommended for optimal performance
Pros Cons Instant hot water May take a little longer to supply hot water at the beginning Energy-saving benefits Compact size Versatile application
Rinnai V65iN Tankless Water Heater
The Rinnai V65iN Tankless Water Heater is a high-performance option for efficient water heating in residential and commercial settings. With a remarkable 150,000 BTU/Hr power output, this natural gas-powered unit delivers a constant supply of hot water. Its durable construction and reliable performance make it a popular choice for both new installations and upgrades.
The Rinnai V65iN features a compact design that saves space without compromising on performance. Its energy-efficient operation helps reduce utility bills while providing on-demand hot water whenever needed. The unit is equipped with a 10-year heat exchanger warranty, ensuring peace of mind for years to come.
Installation of the Rinnai V65iN Tankless Water Heater is straightforward and requires professional support to ensure optimal performance. Regular maintenance is recommended to keep the unit operating at its best. With its powerful heating capabilities and durable build, the Rinnai V65iN is a reliable and efficient choice for meeting your hot water needs.
Key Features of the Rinnai V65iN Tankless Water Heater:
- Power output: 150,000 BTU/Hr
- Natural gas-powered
- Compact design
- Energy-efficient operation
- 10-year heat exchanger warranty
- High power output for efficient water heating
- Compact design saves space
- Energy-efficient operation reduces utility bills
- 10-year heat exchanger warranty for peace of mind
- Professional installation required
- Regular maintenance recommended
GASLAND BE158 Tankless Water Heater
The GASLAND BE158 Tankless Water Heater is a reliable and efficient propane-powered option for your hot water needs. With a power output of 41,000 BTU/Hr, it provides a constant supply of hot water for various applications. Its compact and portable design makes it an excellent choice for outdoor activities such as camping or off-grid living.
The BE158 features a user-friendly interface with precise temperature control, allowing you to easily adjust the water temperature to your desired level. Its 2.64 gallons-per-minute flow rate ensures an ample supply of hot water, while the 20-minute automatic safety shutoff feature provides added peace of mind.
Installation and proper ventilation are essential for safe use of the GASLAND BE158 Tankless Water Heater. It is recommended to consult a professional for installation and ensure that the unit is properly vented to prevent the buildup of harmful gases.
Key Features of the GASLAND BE158 Tankless Water Heater:
- Propane-powered with a power output of 41,000 BTU/Hr
- Compact and portable design
- User-friendly interface with precise temperature control
- 2.64 gallons-per-minute flow rate
- 20-minute automatic safety shutoff
Overall, the GASLAND BE158 Tankless Water Heater offers a reliable and efficient solution for on-demand hot water. Whether you're on a camping trip or need hot water for outdoor activities, this propane-powered unit is designed to meet your needs. Remember to prioritize professional installation and proper ventilation to ensure safe and optimal performance.
Power Output 41,000 BTU/Hr Flow Rate 2.64 gallons-per-minute Fuel Type Propane Safety Features 20-minute automatic shutoff Installation Professional installation recommended Ventilation Proper ventilation required
Eccotemp i12-NG Tankless Water Heater
The Eccotemp i12-NG Tankless Water Heater is a reliable and efficient option for providing hot water on-demand in smaller spaces. Operating on natural gas, this tankless water heater delivers a maximum BTU/Hr of 75,000, ensuring a consistent supply of hot water whenever needed. Its compact design makes it suitable for various applications, especially in areas where space is limited.
With a 2-year warranty, the Eccotemp i12-NG offers peace of mind and durability. It is easy to install, allowing for hassle-free setup and use. However, proper ventilation is required to ensure safe operation. The unit's compact size also means it can be installed in tight spaces, making it ideal for apartments, offices, or smaller homes.
In terms of energy efficiency, the Eccotemp i12-NG is designed to minimize energy consumption, helping you save on utility costs. Its advanced technology ensures that hot water is only produced when it is needed, further enhancing its energy-saving capabilities. With its sleek and functional design, the Eccotemp i12-NG Tankless Water Heater is a reliable choice for those looking for a compact, efficient, and cost-effective solution for their hot water needs.
Features Specifications Power Source Natural Gas Maximum BTU/Hr 75,000 Warranty 2 years Installation Easy and compact Energy Efficiency Minimizes energy consumption, cost-effective
With its reliable performance, compact size, and energy-saving features, the Eccotemp i12-NG Tankless Water Heater is a top choice for those seeking a tankless hot water solution. Whether you need hot water for a small apartment, office, or any other limited space, this natural gas-powered unit provides a consistent supply of hot water whenever it is needed. Invest in the Eccotemp i12-NG Tankless Water Heater and experience the convenience and efficiency of instant hot water on demand.
Advantages of the Eccotemp i12-NG Tankless Water Heater:
- Compact and space-saving design
- Efficient and energy-saving operation
- Reliable performance for on-demand hot water
- Easy installation and versatile applications
Airthereal Tankless Water Heater
The Airthereal Tankless Water Heater is an excellent choice for homeowners looking for an electric-powered solution that provides instant hot water. With a power output of 9 kilowatts, this compact unit is designed to deliver consistent and reliable performance. Its small size makes it suitable for various applications, including kitchens, bathrooms, and small commercial spaces.
Featuring easy temperature adjustment, the Airthereal Tankless Water Heater ensures that you can always enjoy hot water at your desired temperature. Its powerful heating system can reach temperatures as high as 116°F, providing you with the perfect water temperature for your needs. Whether you need hot water for cooking, cleaning, or showering, this tankless water heater has got you covered.
Designed for safety and convenience, the Airthereal Tankless Water Heater operates under a working pressure of up to 150 PSI. Its self-adjusting system modulates power input based on real-time flow rate and temperature settings, ensuring a constant supply of hot water whenever you need it. The unit is compatible with 3/4" NPT water connections, making installation quick and easy.
Features Specifications Power Output 9 kilowatts Temperature Range Up to 116°F Working Pressure Up to 150 PSI Water Connection 3/4" NPT
The Airthereal Tankless Water Heater is a reliable and efficient choice for any household or small commercial space. Its compact size, easy temperature adjustment, and compatibility with standard water connections make it a versatile option. Enjoy the convenience and energy savings of instant hot water with the Airthereal Tankless Water Heater.
Tankless Gas Water Heater Brands
When it comes to choosing a tankless gas water heater, there are several reputable brands in the market that offer reliable and efficient options. Each brand has its own unique features, advantages, and technical specifications, allowing consumers to choose the most suitable option for their hot water needs.
EcoSmart is a well-known brand in the tankless water heater industry, offering a range of gas-powered models that prioritize energy efficiency and sustainability. Their tankless gas water heaters use patented technology to provide hot water on demand while minimizing energy waste. With a focus on quality and performance, EcoSmart models are designed to deliver reliable and consistent hot water throughout the year.
Rheem is another reputable brand that offers a variety of tankless gas water heaters for residential and commercial applications. Their models are known for their durability and performance, delivering instantaneous hot water while maximizing energy savings. Rheem tankless water heaters are designed with advanced features and technologies to ensure a consistent supply of hot water, even during peak demand.
Rinnai is a trusted brand in the tankless water heater market, known for its innovative designs and cutting-edge technology. Rinnai tankless gas water heaters offer a range of features, including precise temperature control, high water flow rates, and energy-saving capabilities. With a commitment to quality and customer satisfaction, Rinnai products are built to provide long-lasting and efficient hot water solutions.
Stiebel Eltron is a German brand that combines engineering excellence with technological innovation. Their tankless gas water heaters are designed to provide reliable and efficient hot water while minimizing energy consumption. Stiebel Eltron models feature advanced flow control technology, ensuring a continuous supply of hot water even under high-demand conditions. With a focus on eco-friendly solutions, Stiebel Eltron offers tankless gas water heaters that are both efficient and sustainable.
These are just a few of the top tankless gas water heater brands available in the market. Each brand offers a range of models with different specifications and features to cater to various hot water needs. By considering factors such as energy efficiency, performance, and warranty, consumers can make an informed decision and choose the brand and model that best suits their requirements.
Tankless Gas Water Heater Comparison
Choosing the right tankless gas water heater requires careful consideration of various factors. To help you make an informed decision, I have compared the top models based on their power output, flow rate, warranty, energy efficiency, and installation requirements.
EcoSmart ECO 11 vs. EcoSmart ECO 18
Model Power Output (BTU/Hr) Flow Rate (GPM) Warranty Energy Efficiency Installation Requirements EcoSmart ECO 11 54,000 1.3 - 3.1 Lifetime (residential) 99% thermal efficiency 120V electrical supply EcoSmart ECO 18 75,000 1.8 - 4.3 Lifetime (residential) Up to 60% energy savings 120V electrical supply
Comparing the EcoSmart ECO 11 and ECO 18, both models offer efficient water heating with lifetime warranties for residential use. However, the ECO 11 is more suitable for smaller spaces and has a lower flow rate. On the other hand, the ECO 18 provides a higher flow rate and greater energy savings, making it ideal for small homes and apartments.
Rheem vs. Rinnai
Model Power Output (BTU/Hr) Flow Rate (GPM) Warranty Energy Efficiency Installation Requirements Rheem 18,000 Varies 5 years (heat chamber), 1 year (parts) Varies Professional installation recommended Rinnai 150,000 Varies 10 years (heat exchanger), 1 year (parts) Varies Professional installation recommended
When comparing Rheem and Rinnai, both brands offer reliable tankless gas water heaters with varying power outputs and flow rates. The warranties provided by each brand also differ, with Rinnai offering a longer warranty for the heat exchanger. Professional installation is recommended for optimal performance with both brands.
Stiebel Eltron vs. GASLAND
Model Power Output (BTU/Hr) Flow Rate (GPM) Warranty Energy Efficiency Installation Requirements Stiebel Eltron 14,400 Varies 7 years (leakage), 3 years (parts) Varies Vent-free design GASLAND 41,000 Varies 1 year Varies Propane-powered, proper ventilation required
In comparing Stiebel Eltron and GASLAND, both brands offer tankless gas water heaters with varying power outputs and flow rates. Stiebel Eltron provides a vent-free design and longer warranty coverage, while GASLAND offers a higher power output. Proper installation and ventilation are essential for safe use with both brands.
Tankless Gas Water Heater Buying Guide
When considering a tankless gas water heater for your home, it's important to make an informed decision based on your specific needs. This buying guide will provide you with essential information and key factors to consider before making a purchase. By following these guidelines, you can ensure that you select the right tankless gas water heater for optimal performance and energy efficiency.
1. Determine your hot water demand
Start by assessing the hot water demand in your home. Consider the number of bathrooms, sinks, and appliances that require hot water simultaneously. This will help you determine the appropriate flow rate and capacity needed for your tankless gas water heater. It's important to choose a unit that can meet your household's demand to ensure a consistent supply of hot water.
2. Sizing and installation requirements
Next, consider the size and installation requirements of the tankless gas water heater. Measure the available space where the unit will be installed to ensure a proper fit. It's also important to consult a professional for installation, as proper venting and gas line connections are crucial for safe and efficient operation. Keep in mind that installation costs should be factored into your budget when selecting a tankless gas water heater.
3. Energy efficiency and cost savings
One of the main advantages of tankless gas water heaters is their energy efficiency. Look for units with a high Energy Factor (EF) rating, as this indicates their efficiency in converting fuel into hot water. Tankless gas water heaters can provide significant cost savings on energy bills compared to traditional tank-based water heaters. Consider the long-term savings potential when making your decision.
4. Warranty and customer support
Lastly, consider the warranty and customer support offered by the manufacturer. A longer warranty period provides peace of mind and reflects the manufacturer's confidence in their product. Additionally, reliable customer support can be valuable in case of any issues or questions that may arise during installation or operation of the tankless gas water heater.
By following this buying guide and considering these key factors, you can confidently select a tankless gas water heater that meets your hot water needs, maximizes energy efficiency, and provides long-lasting performance for your home.
In conclusion, tankless gas water heaters offer a range of benefits that make them a great choice for homeowners. One of the main advantages is their energy efficiency, which can lead to significant savings on utility bills. By only heating water when needed, these units eliminate the standby energy loss associated with traditional tank-based water heaters. Additionally, tankless gas water heaters provide immediate hot water on demand, ensuring a constant supply for all your hot water needs.
Installation of a tankless gas water heater is an important consideration. It's best to consult with a professional to ensure proper sizing, gas line requirements, and venting specifications are met. Professional installation will ensure optimal performance and safety.
Maintenance is another aspect to keep in mind when owning a tankless gas water heater. Regular maintenance, such as descaling and cleaning the heat exchanger, will help prolong the lifespan of the unit and maintain its efficiency. Regular inspections and servicing by a qualified technician are recommended to ensure the system is functioning properly.
In conclusion, tankless gas water heaters offer numerous benefits, including energy savings, immediate hot water, and a longer lifespan compared to traditional tank-based water heaters. However, it is important to consider factors such as installation requirements, maintenance needs, and proper sizing to ensure optimal performance and longevity. Consulting with a professional and considering customer reviews can help guide you in finding the perfect tankless gas water heater for your home's hot water needs.