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Top 8
June 2025
Best Small Hot Water Heater Electric
We made a list of the top 8 Small Hot Water Heater Electric based on verified reviews, popularity and other factors which we summarized for you in this list.
Best Choice
1
8 Gallon Capacity, 120-Volt – Ariston Andris Mini Tank Electric Water Heater – Heating Solution for Under Sink, RV, and Compact Spaces, Smart Boost for Versatile Heating, Simple Installation
Ariston
8.8
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Compact and Versatile Design: The Ariston Mini-Tank Electric Water Heater is ideal for supplying heated water to single sinks in small spaces like RVs and under sinks. Its compact design fits seamlessly in tight spaces for convenience.
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Powerful Heating Solution: Equipped with a titanium glass-lined tank for durability and optimal heat retention, this water heater provides on-demand heated water without the need for large commercial tanks, making it efficient for home and RV use.
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Versatile Installation Options: This product bundle can be installed as a stand-alone unit or as a booster to an existing hot water system, ensuring a consistent supply of heated water where it’s needed most. Considerable for sinks, garages, and remote areas.
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Energy-Saving and Convenient: Designed for easy hardwiring and quick installation, this electric water heater minimizes energy usage while maximizing performance. It’s a smart solution for reducing energy consumption without compromising water supply.
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Why Choose Ariston: Ariston is a globally trusted brand known for innovative heating solutions and high-quality materials. By investing in Ariston products, you ensure exceptional performance, energy efficiency, and a commitment to sustainability in every aspect of your heating system.
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15% Discount
2
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
BOSCH
8.6
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CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
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LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
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INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
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FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
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EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
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Wattage: 1440.00 W
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31% Discount
3
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
EcoSmart
8.5
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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
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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
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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.
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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
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4
Ganggend 2.5 Gallon Electric Water Heater,110V-120V 1500W Under Sink Hot Water Heater,Mini Tank Water Heater Electric with Pressure Release Vavle,Digital Display
Ganggend
8.4
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MEET HOT WATER NEEDS AT ANYTIME:This electric water heater can eliminate waiting time for hot water with fast recovery, reducing standby loss.Durable stainless steel tank and excellent insulation lining materials make thermal efficiency up to 90%,and improve the insulation performance of the water heater,6-minute rapid heating for constant hot water at your every need
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PREMIUM QUALITY AND EXCELLENT SAFETY:Our on demand hot water heater electric is equipped with an automatic pressure relief valve,which can provide overheating protection.High temperature calcination coating,enamel coating,low-carbon stainless steel makes the water heater more corrosion-resistant, anti-scaling,which extend the service life of the water heater,greatly improving safety when in use.Leakproof design,insulation material and data display screen complement it.Making it both quality and safe at the same time
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ADJUSTABLE AND VISUALIED TEMPERATURE:Our water heaters are equipped with a digital display for clearer temperature control during adjustment and use.Support mechanical knob adjustment,temperature range from 86°F to 149°F
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SMALL COMPACT AND WIDELY USE:2.5 gallons hot water heater electric with 11.4"L x 11.4"H x 10.4"W compact design,can be under sink,shelves,wall,or floor-mounted saves more space,suitable for kitchens, bathrooms, RVs,Rs,Etc.Provide hot water wherever you need it
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EASY TO INSTALL AND ENERGY SAVING:110V 120V1500W electric water heater is suitable for 1/2" NPT water hose connection, plug-in connection with 3-feet power cord,available 110V/120V home power and generator.Only 0.15 kWh of electricity is consumed for one heating.Save on electricity and water consumption
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18% Discount
5
Feelrogast Electric Tank Water Heater-8 Gallon Under Sink Instant Hot Water for RV, Camper, Kitchen, Food Truck, 120V 1500W, Wall or Floor Mounted
Feelrogast
8.3
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[Instant Hot Water & Rapid Reheat] Feelrogast electric mini tank water heater rapidly heats water, minimizing your wait time and efficiently meeting your hot water needs. The 316 stainless steel heating element achieves up to 99% heat utilization. Temperature is adjustable from 86-167°F for simple, convenient operation.
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[High quality and durability] This product is CE, ROHS, and FCC certified, ensuring safety and reliability. The 1.88mm thick stainless steel tank is pressure-resistant and explosion-proof, with a 500-800μm enameled layer using a unique double process to prevent cracking, rusting, and leaks, for long-lasting performance.
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[Safety Protection] Electrical insulation on inlet/outlet. Leakage protection plug. High-quality insulation. High-temp limiting device and auto temperature control. Multiple layers of protection for safety.
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[Convenient Installation] Wall-mount, rack, or floor options, with hidden install. 1/2" NPT water connectors. 110/120V, 1440W. Max 109 PSI pressure. 44-inch power cord with plug. Use 20-amp breaker for electrical safety.
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[Compact and versatile design] The streamlined design allows efficient space-saving, enabling under-sink installation. Highly suitable for RVs, camping, and other locations needing hot water supply, like kitchens, bathrooms, garages, food trucks, offices, and salons.
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6
ECOTINYMACH 110V Tankless Water Heater Electric, 3000W Compact Water Heater Under Sink, Conveniently Convertible Between Fahrenheit and Celsius
ECOTINYMACH
8.2
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Compact Design: ECOTINYMACH's tankless water heater is designed with a compact footprint, offering an efficient solution for heating water without consuming unnecessary space.
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Convertible Temperature Scale: Unique feature of our heater allows you to switch between Fahrenheit and Celsius temperature scales conveniently, enabling you to monitor the water temperature in a scale that suits you best.
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Easy Installation: Designed with simplicity in mind, our tankless water heater can be installed quickly and easily, saving you time and effort.
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Electric and Energy Efficient: Being electric and tankless, this water heater from ECOTINYMACH is not only efficient but also environmentally friendly, helping you save on your energy bills and reduce your carbon footprint.
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Installation instructions: Circuit breaker ≥ 32AMP, thread size: 1/2 "NPT, wire requires 2.5mm ² (13AWG),
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7
110V-120V 1440-1500W Small Under Sink Tank 2.5 Gallon Water Heater Hot Storage,Mini Instant Electric RV TR Trailer Kitchen Compact,Food Truck 2 PCs 16” Long 1/2”FIP Stainless Steel Hose (BI-2.5)
BISELONG
8.0
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【Rapid Temperature Recovery】The BISELONG water heater is made from 0.04inch (1.1mm) thick 304 stainless steel and uses laser welding technology, ensuring it never rusts, withstands high pressure, and doesn't leak! The 1500w "L" shaped heating element increases the heat exchange area with the water in the tank, speeding up the heating process and eliminating the long wait for hot water beside the sink! (It can heat up to your desired temperature in 8-15 minutes for up to two sinks at a time).
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【Energy-Saving Smart Inverter】Automatically keeps water warm and stores hot water. The compact 2.5-gallon tank can be installed under the sink, with a thermal efficiency of 98% and a maximum temperature of 149℉. It has a built-in smart chip that heats to the temperature you set, and when it reaches the desired temperature, it automatically insulates to keep the heat in.
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【Compact Design Saves Space】BISELONG has always been committed to original design! Its compact, square design makes this water heater ideal for homes, under sinks, RVs, food trucks, and more. It can be installed in cabinets or used in conjunction with washing machines and dishwashers. The product dimensions are 13.0''L x 11.4''W x 10.6''H inches.
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【Easy Installation】Water connection tube is 1/2''FPI, electrical requirements: 120v (AC), single voltage: 1500w with plug connection wire, maximum water pressure 108PSI, recommended circuit breaker rating: 15Amps, BISELONG electric water heater can be installed on walls or floors, in a concealed position.
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【Accessories】2 PCs 16" Long 1/2" FPI x 3/8" OD Comp Stainless Steel Water hose, 1 Pressure Relief Valve, 1 Tee Fitting. Complete accessories, fast installation, no additional cost or preparation time required!
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【Product Upgrade】On June 25, 2023, the product was fully upgraded—the water heater’s 304 stainless steel lining will be thickened to 0.04 inches (1.1 millimeters), providing a longer service life, and the unit weight increased to 8.4lbs (3.8 kilograms). The insulation material and foam insulation were replaced, improving the Improved insulation effect, making it more energy-efficient!
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【Customer Service】If there are any quality issues with the product or problems with installation, you can contact us at any time. Our customer service is online for 16 hours!!
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【Note】Due to the improvement in product quality, the warranty period for water heaters purchased after July 4, 2023, is 2 years. According to buyer feedback, some water heaters had quality issues. Based on the photos provided by the buyers, it was found that they mistakenly installed the pressure relief valve at the outlet (red end)!
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8
Tankless Water Heater Electric 110V, 3000W Instant Water Heater Under Sink, On Demand Hot Water Heater Electric with Digital Display, Electric Mini Water Heater for Kitchen Bathroom Washin
xwdzswgs
6.8
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✔ 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.
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✔ 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).
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✔ 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.
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✔ 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.
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✔ 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.
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