The Best Tankless Water Heater 120V of 2023 – Reviewed and Top Rated

2,473 (random number) Reviews Scanned

Rank No. #1

WINTEMP Tankless Water Heater Electric, 120Volts - 3.5KW Portable Water Heater Can be Installed Anywhere - Use a Self-Adjusting Rotatable Digital Display KFU135 Green

【Instant use】- Tankless Water Heater Electric - KFU135 Applied with 3500W heating system, You don't need to preheat the water, you can use hot water directly by turning on the faucet, Which is convenient and fast.
【Save Energy】- The hot water heater adjusts power input based on flow rate and temp setting in real time. Less power will be applied by the system when waterflow reduced, so that energy saving up to 99%,Effectively reducing energy waste, which can help you save a lot of heating costs.
【Save Space】- Compact in appearance and designed for portability, this water heater does not require a large storage tank and has a relatively small footprint, making it perfect for use in kitchens, bars, schools, hospitals, salons, and boats. Please make sure it is the right size for you: 3.5kW at 120V, product dimensions 9" x2.6" x 8.5", water pipes fitting: 1/2" NPT.
【Self Modulates】- The electric instant water heater can adjust the water temperature according to the user's needs to meet different usage requirements. It uses direct heating of water, so water pressure changes do not affect the stability of water supply, ensuring a constant and stable supply of hot water.
【Multiple Protection】- There is overheat protection, dry-heating protection, electricity leakage protection function, which can ensure your safety. Safety Certified: Approval by ETL and Qualifies for UL. Included Components: 1.Water Heater 2.Rubber plug and screw 3.Operation and Installation instructions 4.equipped with external power cord, easy for power connection.

SaleRank No. #2

Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt, 6 x 11 x 3 Inch

Can provide hot water for one sink at 0.5 GPM in warmer climates
Requires 1 x 30 amp breaker and 10 AWG wire
For one sink at 0.5 GPM in colder climates the POU 6 is recommended
Amperage Draw 29 amp. kW - 3.5 kW
Connection Fittings 1/2" NPT

Rank No. #3

CAMPLUX Tankless Water Heater Electric with LED Display 120V Instant Water Heaters Under Sink 3.5kw TE04

Smart&Considered Design: Small water heater designed with smart touch control & LED display, mini size, perfect for under sink installation. The minimum water flow for activation just need 0.4 GPM (Only for one sink)
Multi-angled Mounting: The compact size instant electric water heater requires a connection of 1* 40A circuit breaker & 8 AWG wire. Install close to outlet for energy saving. Can be mounted Multi-angled, ideal for kitchen, wet bars, school, hospital, hair salon and boats. Please make sure it is the right size for you: 3.5kW at 120V, product dimensions 7.8" x 6.3" x 3.9", water pipes fitting: 1/2" NPT male
Reliable&Durble: The 3.5kW tankless water heater comes with 5 protections. NFS approved, offer lead-free water. ETL safety certified, leakage and overheat protection device to ensure your safety. Stainless steel and copper component for high efficiency and durability
Consistent Hot Water: On demand water heater only heats the water when you need it and no waiting for preheat.The temperature rise of 1.0 GPM is 22°F. Easy to get hot water between 85°F - 131°F in seconds. Enjoy instant and endless hot water
Rotatable LED Display: 120V tankless water heater features an upgrade rotatable digital temperature display and touch control panel, show you the easy reading output water temperature at real-time and setting ideal temperature just by finger. Note: This mini water heater is only suitable for sink use, not for bathing

Rank No. #4

Rheem 3.5kW 120V Point of Use Tankless Electric Water Heater

Compact and stylish with digital temperature control in increments of 1f ranging from 80f to 140f
RTEX04 and RTEX06 only show output temperature and are non thermostatically controlled

Rank No. #5

thermomate Mini Tank Electric Water Heater ES150 1.3 Gallons Point of Use Water Heater for Instant Hot Water Under Kitchen Sink 120V 1440W, UL Listed

[No Wait for Hot Water] - Point of use 1.3 gallons mini tank water heater provides instant hot water where you need it with fast recovery, reducing standby loss. Thermal efficiency up to 99%
[Small Compact for Sink] - The hot water heater is compact designed for your sink with dimensions 11.42" x 11.42" x 9.65", can be wall or floor mounted under sink / counter, plug into a standard 120V outlet. Nominal current 12amps
[Adjustable Temperature] - Thermostat with 3 temperature level settings, range from 77°F to 140°F with high temperature limit protection, also a freeze mode to prevent tank from freezing
[Premium Quality & Durable] - Glass-lined tank for great insulation, Incoloy 800 stainless steel heating element, T&P relief valve made in USA, UL listed, ensuring a long service life

Rank No. #6

Ariston Andris 4 Gallon 120-Volt Corded Point of Use Mini-Tank Electric Water Heater

Compact design; wall or floor mounted (wall bracket included)
Provide immediate hot water at the point of use; install as booster or standalone
Easy installation; installs right at the point of use with water connection and standard 110/120 Volt outlet
6-year limited warranty on tank, 2-year warranty on parts
TitanShield exclusive technology that fully protects inner surface against corrosion; robust environmentally safe insulation increases energy efficiency

SaleRank No. #7

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

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

Rank No. #8

GE Appliances 3.5kW, Small Tankless, Electric Water Heater with Digital Touch Screen Temperature Control, 0.7 Gallons per Minute, Compact Design, Installs at Point of Use, 120v

HOT WATER ON DEMAND - Tankless electric water heater provides instant, continuous water flow for small demand needs
PERFORMANCE UP TO 0.7 GALLONS PER MINUTE (GPM) - Enough to run 1 faucet in warm climates (*Results are based on 72˚F inlet water temperature and 105˚F outlet water temperature)
POINT OF USE - Installs at the point of use, for hot water where you need it
ENERGY EFFICIENT - Conserves energy and water by only using energy when hot water is in use, saving you money
INTUITIVE INTERFACE AND REMOTE CONTROL - Adjust temperature and settings with easy-use touch screen or conveniently change temperature settings and control your unit from up to 30 feet away

Rank No. #9

Chronomite Labs 120VAC Undersink Electric Tankless Water Heater, 3600 Watts, 30 Amps AC - SR-30L/120

SaleRank No. #10

Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini Tank Water Heater, White

Sleek and compact design with digital output temperature display
ECOSMART tankless water heaters are 99.8-percent energy efficient
Manufactured in United States
Stores up to 2.6 Gallons of water to supply hot water. Easy installation requires appliance line cord included plug. Requires no venting, unit can be installed directly at the point-of-use
12 A

Rank No. #11

Airthereal Electric Tankless Water Heater, 8kW, 240 Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy - Use for Faucet and Sink, Evening Tide series

☼ Instant Hot Water: The 8kW electric tankless water heater supplies instant & endless hot water of 108℉ or higher with no waiting for preheating or temperature fluctuations. perfect companion for faucet and sinks, bringing you perfect experience of comfort and relaxing.
☼ Save Energy: Water is only heated when you need it, not stored in a hot water tank. The self-modulating temperature technology only uses energy to heat up water while you are using it to save up to 50% on water heating energy compared to a typical tank water heater.
☼ Save Space: A traditional water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a hot water heater with a tank. Compared to our next-largest 9kW water heater, this 8kW unit is 30% smaller with only 3,412 BTUs.
☼ Important Note: In order to install 8kW Electric Tankless Water Heater, it will require a 240 Voltage, 40 AMP circuit breaker. Please check to confirm that your breaker panel meets these specifications before purchasing.
☼ Safe To Use: With high temp protection, dry heating protection, and electrical leakage protection you can rest easy knowing you have safe, on-demand hot water to use on your schedule. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.

Rank No. #12

Thermoflow Electric Mini Tank Water Heater, 4.0 Gallon 120V Corded Under Sink Small Hot Water Heater for Point of Use Instant Hot Water

➤ Instant Sink Hot Water - 4 gallons capacity, point-of-use mini tank water heater fits under your sink to provide immediate hot water right where you need it. Eliminate time for hot water. Dimensions: 18H x 12.2W x 11D inches, 2.6ft cord Plugin to use.
➤ Long life Service - This compact mini tank water heater use stainless steel tank to reduce corrosion and maintenance.
➤ Save Energy - Fast recovery and thermal efficiency up to 98% using stainless steel heating element, 3-layer EPS foaming insulation reducing heat lost, provide you more hot water with less power power consumption.
➤ Safe & Reliable - Over-heat protection, auto cut-off electricity if not hot water come out, IPX24 water proof, 2.6ft plug in cord, suit for kitchen, bathroom, bar, school, hospital, office and RV.
➤ NOTES - Please verify that this model is the right size for your hot water needs and electrical requirements before purchase & installation. Dimensions: 18H x 12.2W x 11D inches; Weight: 14 lbs; Water connections: 1/2 inch NPT, Electrical requirements: 1.5 kW, 120 Volts. Max pressure: 150PSI. Nominal current: 13A.

SaleRank No. #13

thermomate Mini Tankless Water Heater Electric 3.5kW 110~120V Point of Use On Demand Instant Hot Water Heater for Sink Wall Mounted LED Display ETL Certified ET035 (White)

Instant Heating - 24 hours ready to continuously supply instantaneous hot/warm water at preset temperature throughout your home only when needed. NO standby energy consumption. NO wait for tank to fill up. MUST HARD WIRED, NO PLUG. Drawing only 110-120 Volts
Space Savings - 7.8W×6.3H×3.9D inch, compact small Point of Use water heater designed for Single Sink use, wall mounted fitting in small spaces throughout kitchen closet, bathroom sink, hair salons, bar counters and hotel receptions. Temperature ranges from 85°F- 131°F
Self Modulating - On demand water heater automatically adjust the power based on the change of inlet water flow and temperature, saving up to 50% energy consumption and preventing over-heating.
Safe & Healthy - ETL certified and equipped with Multiple Protection from leakage, dry fire, over-heating and over pressure. IP25 waterproof. Stainless steel heating element and no storage water, preventing sediment / scale build-up.
User Friendly - Touch control panel and digital temperature display, easy to set your desired temp. Lightweight and easy to install vertically facing up or down. Open tap to start the unit heating with activation flow rate of 0.4GPM.

Rank No. #14

2400W Electric Tankless Water Heater, 120VAC

Price For: Each Includes: Compression Fittings, Faucet Flow Controls Item: Electric Tankless Water Heater Features: 99% Energy Efficient, Compact Size, Easy to Install, Low Installation Cost, Unlimited Hot Water Watts: 2400 Voltage: 120VAC Amps AC: 20 Temp. Rise @ 0.5 GPM: 33 Degrees F Temp. Rise @ 1.5 GPM: 12 Degrees F Min. Flow Activation: 0.40 gpm Temp. Range: 90 Degrees to 120 Degrees F
Water Connection: 3/8" Compression Height: 6-1/4" Standards: UL, IAMPO, HUD, ADA Depth: 2-3/4" Pressure Range: 25 to 150 psi Water Heater Design: Point-of-Use Mounting: Horizontal Temp. Rise @ 20.0 GPM: 20A Wire Size: 12 AWG Residential / Commercial: Commercial/Residential Width: 9-5/8" Water Heater Application: Undersink Phase: 1 Country of Origin (subject to change): United States

SaleRank No. #15

Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters, White

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

Rank No. #16

Tankless Water Heater Electric 3000W LED Display With Remote Control Instant Hot Water Heater Electric Suitable For Home Kitchen Bathroom BLACK

【Tips】 The instant hot water heater does not store water (Water Temperature Range: 35-50℃).The outlet water temperature depends on the inlet water temperature and water flow. The larger the water flow, the lower the temperature, the smaller the water flow, the higher the temperature.
【Instant Heating】Voltage:AC 110V;Wire Requirements:2.08mm² Copper wire (#14 awg wire); Trip switch:≥32A(Otherwise it will trip).24 hours ready to continuously supply instantaneous hot/warm water.NO standby energy consumption. NO wait for tank to fill up.
【Easy to Use】The upgraded tankless water heater electric can be controlled by remote control and button,and the operation is simple and free to adjust the temperature.Lightweight and easy to install vertically facing up or down. Small and exquisite water heater saves space,installation and disassembly simple.
【Energy Saving】Tankless water heater can only be heated when you need it. There is no hot water tank,which will save 50%of water than ordinary water heaters, but Its heating temperature will also be much lower than that of ordinary water heaters. In winter, it may only meet the needs of our kitchen.
【NOTICE】The water heater need a larger than 32 amps circuit breaker; the outlet water temperature won't very hot because the water heater just 3KW, so it can't be used to bath , it can be use to wash hand or use in kitchen.Please check whether the wire specifications.If you feel that the water heater is not heating up to your preferred temperature, try waiting longer or reducing the water flow.

Rank No. #17

Stiebel Eltron 231045 Mini 2 Point of Use Tankless Electric Water Heater, 1.8 kW, 120V, 7-1/2" W x 6-1/2" H x 3-1/4" D

Extremely compact design saves space
Sleek design is appealing and can be mounted in plain sight
Minimum flow to activate unit: 0.21 GPM 0.8 l/min and internally restricted to 0.32 GPM
Major energy savings
Warranty: 7 years against leakage and 3 years against defects in workmanship & materials

SaleRank No. #18

ANZZI Envo Anzzi Electric Tankless Water Heater 3.5 KW at 120 Volts Instant Hot Water Small Enough to Install Anywhere - For for any bathroom sink or kitchen sink | WH-AZ035-M1

HOT WATER ON DEMAND — heats up right when you turn on the tap
ENDLESS SUPPLY — hot water volume is not limited like in tank-style units, water heats as long as the tap is running
FRESHER & CLEANER WATER — water is not sitting for extended periods in a tank, getting heated and reheated
SAVES ENERGY— heats water only when you need it, no preheating, no standby heat loss
SAVES WATER — no more running faucet and waiting for the water to warm up

SaleRank No. #19

110V-120V 1.5Kw Electric Tank Hot 2.5 Gallon Water Heater Storage，Small Under Sink Counter RV TR Endless Trailer Kitchen Compact Point-of-Use,2 PCs 16” Long 1/2”FIP Stainless Steel Water Hoses 9.5L

【SAFE DURABLE & LONGEVITY】Made of stainless steel and never rust，Anti-leakage plug，Multiple safety protection functions protect you from the risk of scald, leakage or other injury.Premium plastic shell is corrosion resistant，This mini hot water heater is ideal for kitchen, bar, school, hospital, community and RV.
【SMART INVERTER FOR ENERGY SAVING】Automatic heat preservation and storage of hot water, 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%，Maximum temperature149℉，The built-in smart chip heats up to the temperature you set, and automatically Insulation when heated to the specified temperature.
【EASY TO USE】storage tank electric water heater with easy-to-operate knob temperature adjustment design，Easy to control warmth.Vent valve, Tee pipeline， pipes and other accessories are complete for quick installation without additional expenses or preparing time of accessories.
【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，8-15 minutes to heat to your desired temperature).
【COMPACT DESIGN】Can be shelf, wall or floor mounted (Water inlet and outlet upward); Dimensions: 13.0''L x11.4''W x10.6''H; 9.5lbs; 1/2″NPT NPT. 1.5 kW, 110-220 volts. One-year warranty and 24H customer service support, feel free to contact us.

Last update on 2023-08-09 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Tankless Water Heater 120V?

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Specifications: How powerful they are can be measured.
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Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Tankless Water Heater 120V.
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The Best Tankless Water Heater 120V of 2023 – Reviewed and Top Rated

How Do You Buy The Best Tankless Water Heater 120V?

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