| # | Preview | Product | Rating | Price | |
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Rheem 18kW 240V Tankless Electric Water Heater, Gray | $405.20 | Buy on Amazon | |
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EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating... | $399.97 | Buy on Amazon | |
| 3 |
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EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating... | $189.99 | Buy on Amazon | |
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Rinnai RSC160iN Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Natural... | Buy on Amazon | ||
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Rinnai V53DeP Tankless Hot Water Heater, 5.3 GPM, Propane, Outdoor Installation | Buy on Amazon | ||
| 6 |
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Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray | $491.22 | Buy on Amazon | |
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Tankless Water Heater Propane 4.21GPM 16L Outdoor Portable GasHot Water Heater Instant Propane Water... | $109.99 | Buy on Amazon | |
| 8 |
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Electric Tankless Water Heater,ORBEK 14KW 240V On Demand Instant Water Heater, Endless Hot Water for... | $199.99 | Buy on Amazon | |
| 9 |
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Rheem 11kW 240V Tankless Electric Water Heater | $254.15 | Buy on Amazon | |
| 10 |
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Stiebel Eltron Tankless Water Heater – Tempra 24 Plus – Electric, On Demand Hot Water, Eco,... | $662.44 | Buy on Amazon |
Contents
- Best Tankless Water Heaters on Amazon: Reviews and Buying Guide (2024)
- Top 10 Best Tankless Water Heaters on Amazon
- 1. Rinnai V65iP 6.6 GPM Tankless Propane Water Heater
- 2. EcoSmart ECO 27 Electric Tankless Water Heater
- 3. Stiebel Eltron Tempra Plus 24 kW Tankless Electric Water Heater
- 4. Rheem RTE 13 Electric Tankless Water Heater
- 5. Takagi T-H3-DV-N 199,000 BTU Natural Gas Tankless Water Heater
- 6. Marey MA12NG Tankless Water Heater
- 7. Eccotemp FVI12-LP Gas Tankless Water Heater
- 8. Bosch Tronic 3000 Electric Mini-Tank Water Heater
- 9. Eccotemp L5 Portable Tankless Water Heater
- 10. Sinopé Électronique SMART TANKLESS Water Heater
- Buying Guide: Choosing the Best Tankless Water Heater
Best Tankless Water Heaters on Amazon: Reviews and Buying Guide (2024)
In recent years, tankless water heaters have become increasingly popular due to their energy efficiency and convenience. As we enter 2024, many consumers are searching for the best tankless water heaters available on Amazon. These units heat water on demand, eliminating the need for a bulky storage tank, thus saving space and energy costs. This article provides a detailed review of the top 10 tankless water heaters available on Amazon, along with a buying guide to help you choose the right one for your needs.
Top 10 Best Tankless Water Heaters on Amazon
1. Rinnai V65iP 6.6 GPM Tankless Propane Water Heater
The Rinnai V65iP is a powerful propane tankless water heater that delivers up to 6.6 gallons per minute (GPM) of hot water. It features a compact design, which makes it easy to install in small spaces. Its electronic ignition system ensures quick start-up, and the unit is equipped with a 150,000 BTU max input. One of its notable features is the Wi-Fi compatibility, allowing you to monitor and control your unit remotely through a smartphone app. The Rinnai V65iP is also Energy Star certified, meaning it meets strict energy efficiency guidelines, helping reduce energy bills.
- Endless Hot Water: Our tankless hot water heaters let you enjoy unlimited hot water flow throughout the house with a compact and durable design that fits your home and lifestyle
- Energy and Space Efficient Tankless Gas Water Heater: This small hot water heater conserves energy, only heating when necessary; Multiple venting options offer flexible placement, including PVC/CPVC using the Ubbink Concentric to Twin Pipe adaptor
- Optimal Water Pressure: This tankless water heater offers a high-performance hot water flow rate up to 6.5 GPM for a powerful, constant stream that serves up to 5 appliances at once
- Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
- Guaranteed to Last: 12-, 5-, and 1-year residential factory warranty for heat exchanger, parts, and labor respectively
2. EcoSmart ECO 27 Electric Tankless Water Heater
The EcoSmart ECO 27 is an electric tankless water heater that is well-suited for both residential and commercial use. This unit provides an impressive 27 kW output, delivering hot water at a rate of 3.5 GPM. It features a self-modulating technology, which adjusts the energy consumption based on your hot water demand, ensuring efficient operation. With its digital temperature control, you can set the temperature anywhere from 80°F to 140°F. The ECO 27 is also compact and lightweight, making installation a breeze.
- Endless on-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
- Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 17 x 17 x 3.75 inches
- Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used. Save up to 50% in water heating costs according to the Department of Energy
- EcoSmart ECO 27 Sizing; Refer to the sizing map. Requires 3x40 AMP Double Pole Breaker, 27-kilowatt tankless electric water heater ideal for providing hot water for whole home applications; provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
- Warranty and Certifications; Limited Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed
3. Stiebel Eltron Tempra Plus 24 kW Tankless Electric Water Heater
The Stiebel Eltron Tempra Plus offers advanced technology with its modulating flow rate that ensures a constant temperature even with varying water demands. This electric tankless water heater can provide 4 GPM, sufficient for homes with multiple bathrooms. Its patented Advanced Flow Control technology automatically adjusts the flow of water to ensure a consistent output temperature. The unit is compact and can be installed both indoors and outdoors. With a sleek design and digital display, the Tempra Plus is both functional and aesthetically pleasing.
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4. Rheem RTE 13 Electric Tankless Water Heater
The Rheem RTE 13 is a compact, point-of-use electric tankless water heater, specifically designed for small spaces. It delivers hot water at a rate of 2.5 GPM, which is ideal for single applications like sinks or showers. The unit’s rugged copper heat exchanger ensures durability, while its self-modulating technology optimizes energy efficiency. Installation is straightforward, making it an excellent choice for those looking for reliable hot water without the need for a large unit.
- External adjustable digital thermostatic control with LED display (+/1 degree accuracy
- Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
- Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
- 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
- Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
5. Takagi T-H3-DV-N 199,000 BTU Natural Gas Tankless Water Heater
The Takagi T-H3-DV-N is an advanced natural gas tankless water heater designed for larger households. With a maximum output of 199,000 BTUs and a flow rate of up to 10 GPM, this unit is capable of supplying adequate hot water to multiple outlets simultaneously. Its energy-efficient design and low NOx emissions contribute to a reduced environmental footprint, and the built-in condensing technology maximizes efficiency. The Takagi T-H3-DV-N is perfect for those looking for a high-capacity solution for their hot water needs.
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6. Marey MA12NG Tankless Water Heater
The Marey MA12NG is an energy-efficient natural gas tankless water heater ideal for small to medium households. It offers a maximum output of 3.1 GPM, which is suitable for simultaneous use in multiple fixtures. Its compact size allows for easy installation, and it can be mounted either horizontally or vertically. The digital display provides real-time temperature readings, giving you complete control over your hot water supply. Additionally, the Marey MA12NG is designed with safety features, including overheat protection and a flame failure device.
- Efficient Performance, Smart Design: Our advanced technology ensures high efficiency and long-lasting durability, boasting a powerful 170,000 BTU capacity. Its user-friendly display allows for dynamic power adjustment tailored to your specific needs.
- Full-house Endless Hot Water: Enjoy unlimited hot water with up to 3-4 use points running simultaneously, fulfilling all household or light-commercial needs.
- Certified Quality: CSA certified in the USA and Canada, guaranteeing top safety, quality, and durability standards. Multiple security layers, including overheat, flame failure, and anti-freezing features, ensure worry-free operation.
- Save Space and Installation-time: Free up storage space with a compact wall- mounted design. Simplify installation with its standard 3” size exhaust venting. (Note: Not recommended for elevations above 2,000 ft.)
- We recommend installation be performed by a professional for safety and compliance.
7. Eccotemp FVI12-LP Gas Tankless Water Heater
The Eccotemp FVI12-LP is a propane-powered tankless water heater that balances affordability with performance. It provides hot water at a flow rate of up to 4 GPM, making it suitable for residential use. The unit features a compact design, which is perfect for RVs, cabins, or homes with limited space. With its digital thermostat and remote control, adjusting the temperature is easy and convenient. The Eccotemp FVI12-LP also includes safety features like overheat protection and a freeze protection system.
- Whole home indoor, gas powered tankless water heater, rated at 3.6 GPM that activates only when in use, making it an energy saver.
- For indoor installation with safe, efficient power ventilation and perfect for any small home, cabin or apartment.
- Easy to read digital temperature display, on a compact and space-saving design with minimal noise output.
- Safe electronic ignition system; plugs into standard 120v electrical outlet with UL-listed cord.
- Uses standard 1/2" NPT water fittings and is equipped with easy to use manual water temperature controls.Minimum 0.65 GPM flow rate
8. Bosch Tronic 3000 Electric Mini-Tank Water Heater
The Bosch Tronic 3000 is a mini-tank electric water heater perfect for point-of-use applications. It provides 2.5 gallons of hot water instantly, making it suitable for sinks or other small appliances. The compact design allows for easy installation, either under a sink or on the wall. It operates on 120V and can provide water up to 145°F, delivering instantaneous hot water while minimizing wait times. While not a traditional tankless water heater, its efficiency and convenience make it a worthy mention in this category.
- CONVENIENT HOT WATER HEATER: 7 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 17.5 W x 17.5 H x 14.5 D Inches
- INSTALLED VERTICALLY OR HORIZONTALLY: This larger model can be mounted vertically (5.1 gal. of water supply) or horizontally (7 gal. of water supply)- vertical orientation is installed with the cold and hot lines on top of the unit
- RELIABLE WATER SOURCE: Easily hard-wire the 7-gallon model to provide the on-demand reliable water source your home or office needs
- IMPORTANT INFORMATION: Heating capacity of 1440 watts and a temperature range of 65-145°F max. Operating pressure-150 psi. Water fittings-3/4 inch Male NPT. Electrical requirements (Amp 12A/Volts 120)
- EASILY MOUNTED: Can be shelf or floor mounted. Wall mounting available in vertical orientation only (water connections on top) - bracket included. Simply tap into the cold water line and install the water heater directly at the sink to provide hot water
9. Eccotemp L5 Portable Tankless Water Heater
The Eccotemp L5 is a portable tankless water heater that is ideal for off-grid living, camping, or outdoor activities. It runs on propane and can provide hot water on demand at a flow rate of 1.5 GPM. With a compact and lightweight design, the L5 can be easily transported and set up anywhere. It includes a 20-minute shut-off timer and the ability to connect to a showerhead or garden hose, making it versatile for various scenarios. Its affordability and portability make it a favorite among outdoor enthusiasts.
- Lightweight, easy to carry, and compact, making it great for camping, off-grid use, washing your pets and outdoor showers.
- Runs on a standard 20 lb. Liquid Propane tank and is equipped with an electronic ignition. Powered by 2 “D” cell batteries, making it ideal for on-the-go.
- Features a safety shut off that is activated when the unit runs longer than 20 minutes or is tilted more than 45 degrees in either direction.
- Low pressure activation of 20 PSI and is easy to connect to any standard garden hose.
- Rated at 1.5 GPM of hot water output. With an achievable temperature range of 50 – 140 degrees F.
10. Sinopé Électronique SMART TANKLESS Water Heater
As an innovative addition to this list, the Sinopé Électronique SMART tankless water heater stands out with its smart home compatibility. This electric model features advanced Wi-Fi connectivity that allows you to control the temperature remotely via a smartphone app. It provides a steady flow of hot water and is designed with energy-saving technology that optimizes performance in real-time. Its installation process is straightforward, making it accessible for homeowners looking for a smart solution for their hot water needs.
- INSTANT ENDLESS HOT WATER, Applied with 6.5 kW heating system, ECO60W tankless water heater electric 240 V delivers decent hot water at 110 degrees or higher in seconds, no waiting for preheating nor terrible temperature fluctuation during use, it is the perfect companion of sink and faucet for your comfortable hot water experience
- ENERGY SAVING SELF-MODULATING, The on demand hot water heater electric adjusts exact power input based on current flow rate and temp setting, for example, less power will be input by the electric tankless water heater when you reduce water flow, thus, you get ideal stable temp, which ensures comfortable experience and optimal energy efficiency, saving 60% electrical bill compared to a traditional tank heater
- CONVENIENT USE, The tankless electric water heater comes with a simple touch control panel that makes temp setting easy job, the best part is the LED digital display gives you all detail information of its working status, so no need to go through the difficulty of learning, just set the temp and enjoy instant endless hot water on demand
- SAFE AND DURABLE, The tankless hot water heater electric is equipped with multiple protections, including leakage protection, over-temp protection and dry heating protection and it ensures the safety of yours and families by following the ETL and CSA standards during manufacturing, also inner water and electricity lines are specially designed to run separately so as to avoid leakage risk and scale build up
- POINT OF USE WATER HEATER, The sleek electric instant water heater is compact as an oatmeal box, so it can be installed anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically or obliquely, ideal for kitchen, bathroom, school, hospital, community and hair salon, please verify it is the right size for you: 6.5 kW @ 240 V, dimensions 14" (H) x8 4/5" (W) x 3" (D)，pipes fittings: 1/2" NPT
Buying Guide: Choosing the Best Tankless Water Heater
When selecting the best tankless water heater, various factors must be considered to ensure you choose a model that meets your specific needs. Here are some essential points to ponder:
1. Fuel Type
Tankless water heaters are available in different fuel types, including electric, natural gas, and propane. Each type has its advantages and disadvantages:
- Electric: Generally easier to install and maintain, they may have higher operational costs, depending on local electricity rates.
- Natural gas: Typically more energy-efficient and can provide higher flow rates, but may require more complex installation due to venting requirements.
- Propane: Similar advantages to natural gas, but availability can be a concern in some areas.
2. Flow Rate
The flow rate, measured in gallons per minute (GPM), indicates how much hot water the unit can provide at once. Consider your household’s hot water demands, such as how many showers, faucets, or appliances will run simultaneously. It’s crucial to choose a unit that meets your maximum flow requirements.
3. Temperature Rise
Temperature rise is the difference between the incoming groundwater temperature and the desired output temperature. A larger temperature rise requires more powerful heating elements, affecting the unit’s size and cost. Be sure to check the specifications to ensure the heater can achieve your desired temperature in your local climate.
4. Energy Efficiency
Tankless water heaters are generally more energy-efficient than traditional tank heaters. Look for models that feature Energy Star certification or have high thermal efficiency ratings. Units with self-modulating technology can adjust energy usage based on demand, further increasing efficiency.
5. Size and Installation
Tankless water heaters come in various sizes based on their GPM output. Ensure you have adequate space for installation and consider whether you want an indoor or outdoor model. Additionally, assess the installation requirements, as some units may necessitate professional installation.
6. Budget
The price of tankless water heaters can vary significantly depending on the fuel type, capacity, and features. Set a budget that aligns with your hot water needs and explore models within that range. Keep in mind the long-term savings on energy bills can often offset the higher initial purchase and installation costs.
In conclusion, selecting the best tankless water heater involves considering various factors, including fuel type, flow rate, temperature rise, energy efficiency, size, and installation requirements. With the right information and understanding of your specific needs, you can confidently choose the best tankless water heater for your home.
With this overview of the best tankless water heaters on Amazon for 2024, consumers can make informed decisions. Whether you prioritize efficiency, space-saving designs, or innovative technology, these options cater to a range of requirements, ensuring you have access to continuous hot water when you need it most.
Last update on 2024-09-20 / Affiliate links / Images from Amazon Product Advertising API | votechriscarrillo.com is a participant in the Amazon Associate program and will earn from qualifying purchases.