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

2,290 Reviews Scanned

Rank No. #1

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 - 194°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

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

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.

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

SaleRank No. #5

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

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

SaleRank No. #6

GE APPLIANCES 3.5 kW 120v Tankless Water Heater | Electric Water Heater with Digital Temperature Control | 3500 Watts | 0.7 Gallons per Minute, Diamond Gray (GE04SNLPDG)

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

Rank No. #7

Eemax SP3512 Electric Tankless Water Heater, 120V 3.5 kW, Only for 0.5 GPM sinks

Ease of installation - No T and P valve needed - Only bring one cold water line to lavatory
Connections: 3/8-Inch compression fittings at top of unit
Voltage: 120V, Power: 3. 5kW
Temperature rise at . 5GPM = 48 Degree Fahrenheit, Turn on: 0. 5. Dimensions: 10. 75-Inch W x 5. 25-Inch H x 3-Inch D
Amperage: 29

Rank No. #8

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. #9

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

Rank No. #10

KENUOS Mini-Tank Electric Water Heater 110/120V Small Compact Tank Storage,Stainless Steel Water Hose 9.5L Rv Tr 2.5 Gallon Trailer 1.5KW Kitchen Instant Under Sink Counter Cupboard Plug in

SAFE AND DURABLE - 304 stainless steel liner, less seams, strong pressure bearing, durable, anti-pressure, explosion-proof, Leakproof, durable heat preservation.Anti-leakage plug, multiple safety protection functions protect you from the risk of burns, electric shocks and other injuries. This mini water heater is ideal for kitchens, bathrooms, RVs, and more.
SENSING TEMPERATURE CONTROL - 3 gallon 110V/120V mini water heater is installed in Kitchen Under Sink Counter Cupboard ,The LCD screen displays the working status, the machine operates and the heating water temperature reaches 167 ℉, automatic heat preservation and constant temperature, automatic control, automatic supplementary cold water heating
EASY TO USE ROTARY SWITCH - Adjustable knob switch from 80 ℉ to 167 ℉ flexible and convenient, clear and easy to control
ENERGY SAVING AND ENVIRONMENTAL PROTECTION - Mini hot water heater After reaching the highest temperature of 167 degrees Fahrenheit, it enters the constant temperature and heat preservation mode. After entering the heat preservation mode, the heat preservation can last for 24 hours when the power is turned on, and the heat preservation time can be as long as 2 hours even if the power is turned off.Power on and heat preservation all day only consumes 0.69 degrees of electricity
MINI BODY,HIGH EFFICIENCY - Extended stainless steel heating tube, 1500W power output, thermal efficiency up to 98%, fast and stable heating, meeting the water needs of various kitchens, bars, restaurants, bathrooms, RVs, etc., 6~13 minutes fast heating

SaleRank No. #11

Tankless Water Heater Electric, thermomate 3.5kW 120V Hard Wired Point of Use On Demand Hot Water Heater Self Modulating ET035 (NO PLUG) (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. #12

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. #13

Camplux ME60 Mini Tank Electric Water Heater 6-Gallon with Cord Plug,1.44kW at 120 Volts

Saving Energy & Money- Built in insulation foam, reduces heat loss. 6-gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it.
High Quality Built & Elegant Design- Camplux electric water heater has glass-lined tank for long service life and easy to maintain. Elegant streamline design cover, made your kitchen more pretty.
UL Approval Safety - Thermostat Control allows adjustment of water temperature. High Limit device provide protection while overheating.
43.3‘’ cord plugs into 120 volt outlet for independent installation or in-line with a large hot water source.(Max. water pressure is 150 PSI, CSA listed Temperature & Pressure relief valve included)
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. Product dimension:15.75" W x 21" H x 15.5" D.

SaleRank No. #14

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

SaleRank No. #15

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. #16

Atmor 3500Watts/120V 0.5GPM Point-Of-Use Electric Tankless Water Heater Includes Pressure Relief Device 1-Sink Water Heater

Instant Hot Water: 3.5 kW heating system provides endless hot water instantly with automatic water flow sensors. For commercial or residential use. Single Sink application with a flow of 0.68 Gallons Per Minute for optimal heating and temperature rise. Please refer to the sizing guide to select the proper solution.
Single Sink Application: Designed for single sink application in warm to hot climates with a ground water temperature above 51°F. Ideal for bathroom or kitchen applications to receive instant and continuous hot water in seconds.
Save Space & Money: Save space with compact wall mounted unit. Unit can be installed virtually anywhere - cabinet, closet, garage, basement. Dimensions 7.13” H x 4.13” W x 11.96” D. Save up to 50% on heating costs as water only heats when you need it.
High-Quality Water Heater: Includes Pressure Relief Device (PRD) with built-in one-way valve for added value and safety. Superior warranty of 7-year leakage-free coverage and 2-year parts coverage. Lead-free and cUL certified, this unit is constructed of durable reinforced non-corrosive internal canisters and piping to increase heating efficiency and life expectancy.
Installation: Requires 30 Amp double-pole breaker, 10/2 AWG wire size and 120V; Standard 1/2 in. NPT (straight thread) fittings. Unit does not require gas lines or venting. Contact 24/7 technical customer support for installation questions.

SaleRank No. #17

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

Rank No. #18

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. #19

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

Rank No. #20

Thermoflow 110V~120V Mini Tankless Water Heater Electric Point of Use On Demand Instant Hot Water Heater for Sinks Wall Mounted, CSA Certified 3.5kW Hard Wired

【HARD WIRED ENDLESS HOT WATER】No need to preheat before using. As soon as you open the tap, the water ﬂows with your desired temperature. High efficient, Energy Saving. Temperature range from 95 °F to 122 °F.
【EXCEPTIONALITY DURABLE】Instant hot water thanks to rapid and maintenance-free bare wire heating systems. High quality alloy bare heating element has good corrode resistance and acid-resisting, with longer lifespan, instantaneous heating efficiency up to 99%.
【SMART MODULATION SYSTEM】This hot water heater adjusts power automatically when flow rate and temp setting changes, keeping stable temperature of the output hot water, not too cold or too hot.No waiting for preheat nor terrible temp up & down, perfect companion for sinks.
【TANKLESS & ENERGY SAVING】Save up to 60% on your water heating cost with a Thermoflow electric tankless water heater. Distribution, start-up and technical systems losses as well as circulation and storage losses are eliminated.
【POINT of USE for SINK ONLY】The sleek tankless water heater is compact which can be held in one hand, making it possible to install in narrow space. It can be mounted vertically or upside down, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: 3.5 kW@110-120 volts; dimensions 5.4" x 7.4" x 3.4 ; pipes fittings 1/2” NPT; max water pressure: 115PSI; required wire: 1 × 12 AWG; required breakers 1 x 2-POLE 30 AMP. Breaker is NOT included.

Last update on 2023-08-04 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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

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We provide an 120V Tankless Water Heater buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 120V Tankless Water Heater currently available on the market.

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Brand Value: Every brand of 120V Tankless Water Heater has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an 120V Tankless Water Heater?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your 120V Tankless Water Heater.
Customer Ratings: Number ratings grade 120V Tankless Water Heater objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 120V Tankless Water Heater.
Product Quality: You don’t always get what you pay for with an 120V Tankless Water Heater, sometimes less, and sometimes more.
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The Best 120V Tankless Water Heater of 2023 – Reviewed and Top Rated

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

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