When it comes to the comfort of your home, few appliances are as essential as electric water heaters. These devices not only ensure you have hot water for bathing, washing dishes, and laundry but also provide energy efficiency and reliability. In 2024, the market continues to evolve, bringing innovative technology and improved designs for your water heating needs. Below, we explore the best electric water heaters available on Amazon, highlighting their features, pros, and cons to help you make an informed decision. Whether you need a tankless system or a traditional tank heater, we cover it all.
- WHOLE HOME FLEXIBILITY - Can provide hot water to a single hookup, or to a small house, condo, or apartment
- EASY INSTALLATION - Installs in minutes with existing plumbing. Uses standard 3/4-in NPT compatible water connections and connects into any 120-Volt supply
- COMPACT DESIGN - Ideal in limited spaces like kitchens, bathrooms, laundry rooms, cabins, RVs, garages, sheds, etc
- HOT WATER BOOSTER - Works as a standalone unit, or inline with another water heater to boost long pipe runs or washing machines
- ADJUSTABLE THERMOSTAT - Easily change temperatures to your desired settings
- With 3000W power, the water heater can raise the water by 45° F(0.3GPM) /27° F(0.5GPM) in seconds. You can adjust the water flow to meet your outlet temperature requirement. The Larger water flow, the lower outlet temperature; The smaller water flow, the higher outlet temperature. Not Suitable for Shower(Shower normally requires at least 1.8 gpm). You can set Fahrenheit or Celsius degrees by holding power button for 6 seconds.
- IMPORTANCE before purchase: 3000W at 110V draw max 27A, Required breaker 31AMP, Wire gauge 10AWG, Water connection G1/2.
- Premium material: 304 stainless steel lining, 316L stainless steel heating pipe, sturdy ABS shell, uni-corrosion brass interface. IPX4 waterproof, dry burning protection, leakage protection, and overheating protection upgrade safety level
- Automatic standby mode ensures that you enjoy heated water at any time. One-touch operation provides convenience.
- This mini water heater is ideal for limited spaces such as kitchens, apartments, bathrooms, RVs. Not Suitable for Shower(Shower normally requires at least 1.8 gpm)
- ON/OFF Dial Control with adjustable digital temperature display
- Self-modulating power control
- 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
- Bottom 3/4" NPT water connections
- On demand, consistent and continuous hot water
- External digital thermostatic control with LED display (+/1 degree accuracy)
- Most advanced self-modulation, adjust power to meet hot water demand
- Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
- Simple installation – bottom 3/4 inch NPT water connections
- Threaded for easy replacement, simple installation, digital temperature display
- 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
- On demand a continuous and unlimited supply of hot water
- Sleek design saves space and no venting required, It also features two different temperature memory presets, making it easy to adjust for personalized needs.
- Requires hard-wired 240 or 208-volt electric service, with a maximum draw of 28,800 watts at 240 volts or 21,600 watts at 208 volts
- Requires 3 separate dedicated 40 amp breakers with 8 gauge copper wiring, and a minimum of 200 amp total service to the residence
- 【10 Gallons point of use】 provide enough hot water for sink washing, dishwasher, washing machine or 10 - 15mins quick shower. Factory set temperature to 125°F. It can be adjusted between 90°F and 150°F through built-in thermostat
- 【24.5-inch low profile】 compact small water heater (120 Volt Hard Wired), independent installation or as booster in-line with a large hot water source, ideal for kitchen & bathroom sink, RV & boat, vacation cabin & camper, garage & barn, shop & salon
- 【1500W INCOLOY-800】 heating element - better corrosion resistance performance and more efficient than copper at higher temperature, thus has a longer life span and energy saving
- 【Corrosion Resistant Tank】 Inner tank was coated with porcelain enamel glass, which has better performance in resistant to high temperature and rust, reducing leaking chance, thus ensuring a long life service and low maintenance
- 【UL Listed safety】 including ASME, ANSI and CSA (AGA) approved T&P relief valve, independent drain port, high temperature limit protection and adjustable thermostat
- NOTE: Make sure this on-demand electric water heater is sized for your hot water needs 14 kW; 240 volts, circuit breaker required 1 x 60 amps; unit dimensions 10.7" x 14.25" x 3.22"; water connection 1/2" NPT.
- SAVE: Compared to tank-type water heaters, tankless water heaters don't require preheating. There's no energy consumption when not in use. It saves 60% of heating costs. Additionally, it's more compact and can be installed anywhere.
- POWERFUL: The 14kW tankless electric water heater's thermal efficiency reaches up to 99.8%. With a flow rate of up to 3.6GPM, it's suitable for 2-3 usage points throughout the entire house. No waiting for preheating. Provides endless ample hot water.
- SIMPLE: This electric instant tankless water heater features knob controls and an LED display. With an adjustment range from 86°F to 131°F in 1°F increments, you simply set the temperature and enjoy stable and ample hot water.
- SAFE: The electric hot water heater heating elements are separated from water to prevent scale buildup. It has features like leakage protection, overheat protection, and automatic shutdown to ensure safety during use.
- ✔ MINI INSTANT HOT WATER HEATER - This 110 volt water heater is equipped with state-of-the-art technology, with 3000W power, LED display. The electric tankless water heater 110v can raise the water by 82° F(0.3GPM) -131° F(0.5GPM) in 3-5 seconds, saying goodbye to long waiting times for hot water. The tankless electric water heater can set Fahrenheit or Celsius degrees by holding a power button for 6 seconds.
- ✔ SAFETY INTELLIGENCE RELIABLE - This under sink water heater has multiple protection functions. IPX4 waterproof, leakage protection, dry-burning protection, automatic power-off in over-temperature and inactive states. Tankless hot water heater electric can meet your outlet temperature requirement. Large water flow means low temperature and small water flow means high temperature. TIP: Install vertically to avoid malfunction of the heating elements (E2).
- ✔ LIGHTWEIGHT PORTABLE DESIGN - This small water heater compact design, is suitable for installation in the bathroom, kitchen under the sink, etc. The on demand water heater adopts a wall-mounted design, freeing up valuable space for your home, enjoy hot water at any time. This instant hot water heater under sink qualifies for ETL standard, you can expect the outstanding performance of this point of use water heater in the coming years.
- ✔ EASY TO INSTALL AND APPLICATION - This under sink instant water heater comes with premade fixing screw holes, an English manual, and 1/2 inch NPT standard interface. This small electric water heater is ideal for spaces such as kitchens, apartments, bathrooms, RVs, and camping. The comfortable water temperature generated by this 110V water heater is suitable for cleaning food, bowls, clothes, face, hands, etc.
- ✔ QUALITY WARRANTY & IMPORTANT NOTE - We provide a 24-month warranty for the electric water heater tankless. If you encounter any after-sales issues regarding the small hot water heater, you can always contact our electric tankless water heaters support team. Tip: This electric hot water heater is recommended to be connected with wires with a cross-sectional area of ≥ 2.5 square millimeters, and connected to trip switches of over 32a for use.
- Instant Hot Water Supply: Orbek electric tankless water heater can provide up to 3.36 GPM of endless hot water on demand and ensure comfortable hot water for 2-3 points of use simultaneously.
- High Energy Efficient: With water-electricity separation, this hot water heater reduces scale and corrosion. It delivers endless hot water in just 3 seconds with 98% efficiency, cutting electricity costs by up to 60%.
- Comprehensve Security Protection:Orbek tankless water heater features several safeguards, including leakage, over-temperature, high voltage, and dry-heating protection. Each unit undergoes strict testing and is ETL certified to ensure 100% safety for you and your family.
- LED Digital Display: Clear and easy to read, with real-time updates. Powered by an intelligent temperature control chip that performs 200,000 calculations per second, this instant tankless water heater ensures precise temperature adjustments within 1℉, supports a wide range from 86-140℉, and delivers a steady supply of hot water.
- Easy to Install: Orbek 14KW tankless water heater electric requires a 60AMP two-pole breaker and 1 set of 6 AWG wires. Both the inlet and outlet use standard 1/2" NPT male connectors, making it compatible with most household water pipes.Its compact size of 14.2"H x 9.5"L x 3.1"W takes up almost no space.
Top 10 Electric Water Heaters on Amazon
1. EcoSmart ECO 27 Electric Tankless Water Heater
The EcoSmart ECO 27 is widely regarded as one of the best electric water heaters on the market. With a compact design and powerful heating capabilities, this model can provide continuous hot water for up to three bathrooms simultaneously. It features self-modulating technology that adjusts the energy consumption based on your hot water flow needs, improving energy efficiency.
One of its highlights includes a digital temperature control that allows you to set the water temperature precisely, ranging from 80°F to 140°F. The unit is also easy to install, although professional installation is recommended for optimal performance.
Pros: Compact size, energy-efficient, digital temperature control.
Cons: Requires a 200-amp electrical service, upfront cost is higher than traditional heaters.
- 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
2. Rheem RTE 13 Electric Tankless Water Heater
The Rheem RTE 13 is another great contender in the electric water heater category. It is perfect for small homes or apartments with limited space. This model is designed to provide 2.5 gallons of hot water per minute, making it suitable for point-of-use applications such as sinks or small showers. The stainless steel and plastic construction ensure durability, while the compact design makes installation hassle-free.
This unit comes with a water flow sensor that helps maintain the set temperature efficiently, although users may need to be mindful of simultaneous usage to avoid running out of hot water.
Pros: Compact, efficient temperature maintenance, great for point-of-use.
Cons: Limited flow rate, may not be sufficient for larger homes.
- 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
3. Stiebel Eltron Tempra 24 Plus
The Stiebel Eltron Tempra 24 Plus stands out due to its advanced technology that allows for digital output control. This electric water heater offers an impressive flow rate and can support multiple fixtures at once. It features a sleek design with an easy-to-use interface and is well-suited for both residential and light commercial applications.
Additionally, the Tempra series employs a unique technology that enables constant temperature control, ensuring you won’t experience sudden temperature drops while using hot water.
Pros: High flow rate, constant temperature control, sleek design.
Cons: Higher price point, may require professional installation.
- CONTINUOUS FLOW – Advanced Flow Control patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. It’ll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again
- SPACE & ENERGY SAVER – Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation and the ability to electronically control water flow. Savings monitor even shows how much you save on energy costs
- EASY OPERATION – Electronic switch activates the hot water heater and it’s noise free while in use. Has a digital temperature display and preset temperature and memory buttons, while the interior solid copper heating system does all the power work
- TEMPRA 24 PLUS – This specific model is 24kW, 240V, requires a min recommended electric service of 150 A, and offers an output water temperature of 68° to 140°F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels, Tempra Plus tankless water heaters can be set to limit the maximum hot water temperature to 109°F. This can be important in some installations to prevent the possibility of scalding.
- WARRANTIES INCLUDED – Stiebel Eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliability. Our 7-Year Leakage and 3-Year Parts Warranties are included with purchase
4. Bosch Tronic 3000 Electric Tankless Water Heater
The Bosch Tronic 3000 can be an excellent choice for those prioritizing compact design combined with reliable performance. Ideal for low-flow demands, this tankless heater provides instant hot water and can be used for sinks and small showers without the need for a traditional tank. Its built-in temperature control prevents overheating, making it both safe and efficient.
This model is uncomplicated to install, and its small size allows it to fit discreetly in any space.
Pros: Compact, efficient for small spaces, easy to install.
Cons: Limited output for larger demands.
- 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
5. Ecosmart ECO 11 Electric Tankless Water Heater
The Ecosmart ECO 11 is an entry-level model with an affordable price point suitable for smaller households. Providing up to 3 gallons of hot water per minute, this unit is great for sinks and showers and features advanced self-modulating technology to optimize energy use. The compact design makes it perfect for small spaces.
However, potential buyers should note that the flow rate may not be adequate for simultaneous use in larger households.
Pros: Affordable, compact design, energy efficient.
Cons: Limited hot water supply for larger homes.
- 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.Amperage Draw : 54 A.Special Features: Energy Efficient
- 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 11.5 x 8 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.
- EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
6. Reliance 6 6 6 Gallon Electric Water Heater
If you prefer a traditional tank-style heater, the Reliance 6 offers a balance of cost-effectiveness and performance. With a 6-gallon capacity, this electric water heater provides a steady supply of hot water while being suitable for small apartments or homes. The short recovery time of 10-11 hours ensures you’ll have hot water ready when needed.
This unit also comes with a comprehensive warranty, giving users peace of mind regarding their investment.
Pros: Affordable, reliable, short recovery time.
Cons: Tank model takes up more space, requires regular maintenance.
- Ideal for under counter or crawl space installation
- 6 gallon short, 6 year warranty, electric.
- Single 120 volt 1650 watt copper heating element.
- Side mounted cold water inlet and hot water outlet for easy installation.
- Factory installed Temperature and Pressure, T&P relief valve
7. Bradford White B33S6F Outdoor Electric Water Heater
The Bradford White B33S6F is designed for outdoor use, making it an ideal choice for homes in warmer climates where outdoor installation is feasible. This electric water heater can deliver 30 gallons of hot water, featuring a glass-lined tank that enhances durability. It is designed for efficient and optimal performance under various conditions.
While it may take up more space than tankless options, its durability and efficiency make it a strong choice for traditionalists.
Pros: Outdoor installation, durable glass-lined tank, high capacity.
Cons: Takes up more space, not suitable for indoor installation.
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8. Atwood 96120 Electric Water Heater
Atwood’s 96120 model serves as a versatile option for both RVs and homes, making it quite popular among those who travel. The upper and lower heat exchangers provide effective heating, while its compact design suits limited spaces. This heater is also lightweight, facilitating easier installation.
Nonetheless, this model is more oriented to specific applications like RV use, which may not be on the radar for every homeowner.
Pros: Lightweight, versatile for RVs, effective heating elements.
Cons: Limited use for standard residential applications.
- Designed for use in Atwood/Dometic water heaters
- Power: 1400W
- Includes gasket
- Water heater sold separately
9. American Standard CE-12-AS 12 Gallon Electric Water Heater
This American Standard model provides a traditional tank solution with a 12-gallon capacity. It is ideal for small spaces, offering recovery rates optimal for average household needs. Its glass-lined tank and durable components assure longevity and efficient performance.
While it fits well in smaller areas, users should plan for regular maintenance compared to tankless heaters.
Pros: Good recovery rate, glass-lined durability, compact for tight spaces.
Cons: Requires maintenance for optimal performance.
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10. Winado 8L Instant Electric Hot Water Heater
The Winado model is designed for quick heating of water, perfect for high-demand areas like kitchen sinks or small bathrooms. With an attractive design, this 8-liter unit ensures a steady flow of hot water without the need for a tank. It is portable and easy to install, making this an appealing choice for landlords or temporary setups.
However, it may not suit homes with higher hot water demands, as its capacity is relatively low compared to larger tank options.
Pros: Quick heating, portable, easy installation.
Cons: Limited capacity for larger households.
- DIGITAL DISPLAY: LED screen shows precise temperature settings with easy-to-use touch controls for accurate temperature adjustment
- COMPACT DESIGN: Space-saving wall-mounted tankless water heater provides hot water on demand while saving valuable space
- TEMPERATURE CONTROL: Features + and - buttons for precise temperature adjustments with digital readout for accuracy
- MODERN AESTHETIC: Sleek mint green and silver exterior with contemporary ridged design complements modern bathroom décor
- EASY INSTALLATION: Includes two water connection points with clearly marked hot and cold inputs for straightforward setup
Buying Guide for Electric Water Heaters
When considering the best electric water heaters for your home, there are several factors to keep in mind to ensure you select a model that suits your needs and budget. Here are some aspects to evaluate:
1. Tank vs. Tankless
Decide whether you want a traditional tank water heater or a tankless model. Tank heaters store hot water, making them suitable for larger households, while tankless systems offer on-demand heating and save space.
2. Size and Capacity
For tank models, consider the number of fixtures that require hot water and choose a capacity that aligns with this demand. Tankless systems usually specify their flow rates, which can help determine which model meets your needs.
3. Energy Efficiency
Look for units with Energy Star ratings or those using self-modulating technology to save on electricity costs. More efficient heaters may have a higher upfront cost but will save you money over time.
4. Installation Requirements
Many electric heaters require specific electrical setups. It may be essential to consult with an electrician to ensure that your home can handle the required load.
5. Warranty
A good warranty period can indicate the manufacturer’s confidence in their product. Look for warranties that cover both parts and labor for a more extensive timeframe.
In conclusion, choosing the best electric water heaters involves careful consideration of your household needs, available space, and energy efficiency. The options outlined above represent some of the best you can find in 2024, offering reliability, efficiency, and innovative features sure to enhance your home experience.
Last update on 2025-06-22 / Affiliate links / Images from Amazon Product Advertising API | votechriscarrillo.com is a participant in the Amazon Associate program and will earn from qualifying purchases.