Best 120 Volt Water Heaters in 2025

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

Saving Energy & Money- Built in insulation foam, reduces heat loss. 4-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.

Plugs into standard 120 volt outlet

T and P valve included

Wall-mounted with included bracket

No more waiting for the water tank to warm up or running out of warm water halfway through your shower. With this amazing machine, you can have a steady stream of hot water flowing to your faucets or shower without waiting for the tank to warm up.

There is a forced exhaust structure that keeps the air safe and clean while and after entering the combustion chamber. There is also a dust net to make sure no dirt gets into the tankless water heater.

There is a low water pressure startup, which helps to protect the heater and make it easier to use.

EASY TO USE-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)

MULTIPURPOSE - Can be shelf, wall or floor mounted; Simply tap into the cold water line and install the water heater directly at the sink to provide hot water. Product dimension:12.9" W x 12.9" H x 11.5" D.

SWEET PROTECTION - Thermostat Control allows adjustment of water temperature. High Limit device provide protection while overheating.

[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

Energy & Space Efficient - The gas water heater has space-saving design conserves energy as it heats only when necessary.

Optimal Water Pressure - The on demand water heaterwith high-performance up to 5.28 GPM hot water flow rate for a powerful, constant stream for whole home.

Convenient, Easy Installation - The 120 volt tankless water heater is perfect with Camplux customized vent pipe CP-70 together for better ventilation performance for indoor installation.

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

➤Under Sink Heater- For the small place under the sink, this water heater helps produce lasting stable water follows in the place where you need it. Temperature range 45°F-167°F (Relief Valve has been upgraded)

➤Save Energy - Advanced thermostop technology from Germany results in low cost of standby loss power consumption and money. EPS foaming technology for better insulation. 1.5KW low-power.

➤Long Life - Stainless Steel tank do prevent corrosion from water, is not easy to bump and crack, is not easy to leak water, and be lighter, stronger, more durable.

Compact designed 12 gallon electric water heater. Provides instant hot water at point of use. 6-year limited warranty on tank.

Durable glass-lined heavy gauge carbon steel tank that tolerates high temperatures for years of trouble-free service.

Immersed screw-in heating element transfers heat directly to water, offering maximum recovery efficiency and direct, 98% heat transfer. Maximum temperature capability of 160 degrees.

Durable, point-of-use hot water solution ideal for a single sink application in areas with at least 57°F ground water temperature

30 Amp Single Pole Breaker, 10/3 AWG Wire; NOT A PLUG-IN UNIT

Saves up to 50% on water heating costs vs. a tank water heater

✔ Friendly to Small Spaces FVSTR Electric Mini-Tank Water Heaters are lightweight and compact designed, and can be floor, shelf or wall-mounted, very friendly to any small spaces.

✔ 2.5 Gallons Capacity 2.5 gallons capacity glass-lined tank, stores up to 2.5 gallons water to provide hot water where you need it. Fast recovery rate eliminates long waits for hot water at your sink. Supplies up to 2 sinks at a time.

✔ Reduce Heating Losses Short distance hot water supply, minimize wait time for hot water,saving energy and your bills.Whether as a sole water heating source for a single sink or as a supplement to an existing heater located far from the sink, this premium mini-tank water heater's stand-by loss is minimal !

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

INSTANTANEOUS HOT WATER HEATER- 3.5kw mini tankless electric water heater differs from a conventional storage type mini water heaters, it fits under your bathroom sink or kitchen sink to provide hot water right where you need it

SAFE PROTECTION- The 3.5kW tankless water heater comes with overheat protection. ETL safety certified, ensure your safety. Stainless steel and copper component for high efficiency and durability

SAVE ENERGY- Temperature ranges from 85°F- 131°F. Tankless water heaters provide instantaneous heating and on-demand hot water without preheating, saving up to 50% in energy consumption

【Safe to Use】Our domestic tankless electric water heaters have been rigorously tested and have multiple protection functions: water and electricity isolation, IPX4 waterproof, leakage protection, dry-burning protection, automatic power-off in over-temperature and inactive states.

【Instant Heating & Constant Temperature】3000W high-efficiency output mini water heater, fast heating in 3 seconds, constant temperature to maintain the best water temperature for you.The water temperature can be adjusted freely with the water flow.(Adjustable temperature: 68°F ~ 126°F)

【Easy to Install】The home water heater has a mini body, easy to install in the bathroom, kitchen, and under the sink.Standard 1/2 interface(inflow or outflow), can be directly connected to household conventional hose connectors.Notice:plug current: 27-32A, the trip switch is greater than 32A, circuit breaker within 4000W requires greater than C32, the wire within 4000W requires 2.5m².

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

【INSTANT & SUFFICIENT HOT WATER】The heating of the product is adjusted by the water flow regulating valve or the faucet switch. Large water flow means low temperature, and small water flow means high temperature. Applied with 3000W heating system, the electric water heater supplies instant, consistent and endless hot water shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.

【Eco & Electric & Water Saving】 Safe heater, save up to 55% on your electric cost, water saving, no pollution, no exhaust gas.The heating of the product is adjusted by the water flow regulating valve or the faucet switch. Large water flow means low temperature, and small water flow means high temperature. It is recommended that the product be washed in winter for hand washing, dish washing, face washing and other scenes.

【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flowing rate and temp setting in real time. thus you still get ideal temperature instead of scalding hot water, which means comfortable experience, simple operation.

Point-of-use, ideal for under the sink providing instantaneous hot water

Easy installation with 120V outlet plug

Adjustable temperature range (50°F to 140°F)

【Super Quality Product 】 : This tankless water heater, to make sure no gas leaks risk when connection ,Featuring overheating and flameout ,and anti-freezing protection to ensure the family safety.the gas supply will shut off automatically under unexpectedly flame out， or high water temperature over 167 °F.Anti-freezing apparatus draining the stock water to avoid damage of freezing under cold areas.which has a very long service life, good durability and corrosion resistance.

【Energy Saving】 :This outdoor water heater adopt compact and light weight structure design with with advanced combustion technology to decrease gas consumption and burning noise.Maximum power output 41,000BTU/Hr,you will get instant endless hot water easily wherever you are.no need to preheat ,making it more efficient and energy saving.

【Easy to Install】:Equipped with BSP pipe fittings and all necessary accesories , There are three interface ports under propane water heater. The left one is the Intake port. ​the middle one is the shower port,and the right one is the water inlet, which is very convenient for customers to install.The tankless water heater will "caught on fire "with improper operation. Always check gas leakage before operation.

Endless Hot Water: With a 3000W heating system, this electric water heater provides instant and consistent hot water without any waiting time. Say goodbye to lukewarm water and enjoy a comfortable experience every time.

Smart Temperature Control: The hot water heater adjusts power input based on the flowing rate and temperature setting in real-time, ensuring that you always get the ideal temperature without any risk of scalding.

Eco-Friendly and Cost-Effective: This safe heater can save up to 55% on your electric cost while also conserving water. It produces no pollution or exhaust gas, making it an environmentally friendly choice.

Uses A Porcelain-Lined, Steel Water Heater Tank With An Anode Rod To "Absorb" The Electrolytical Action - Just Like Your Water Heater At Home

Pressure Tested Twice During The Manufacturing Process To Ensure Its Integrity

12 Volt DC Direct Spark Ignition Gas Heating System

【VERSATILE & COMPATIBLE】 Its compact, streamlined design makes this water heater perfect for homes, RVs, and food trucks. In addition to installation in the cupboard, bathroom cabinets and washing machine cabinets are also good locations for installation. and it can also be used with dishwashers.

【RAPID TEMPERATURE RECOVERY】It can be heated with 1440W of power, the L-shaped heating rod gives it a larger heat exchange area with the water in the tank and the 310S stainless steel is more efficient in heat transfer.

【LASTING & DURABLE】The tank is evenly covered with a 0.8 mm thick layer of enamel made in Germany, which is corrosion and rust- resistant and leak-proof. The machine has a built-in magnesium rod to protect the tank. The already supplied T& P valve also protects the water heater in case of excessive water pressure.

【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 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.

Temperature output based on flow rate, 41°F Temp. Rise @ 0.5 GPM

SafeStart technology. Recommended Wire Size-10

Mounts in any orientation

INSTANT HOT WATER HEATER - Applied with 5500W heating system, the electric tankless water heater supplies instant hot water, 3 seconds to get hot water without preheating. Instant consistent and endless hot water of the maximum temperature reach to 55℃/131℉. It is perfect companion for sinks, bringing you perfect experience of comfort and relaxing.

REMOTE CONTROL OR TOUCH SCREEN - Ultra slim and smooth appearance design, beautiful and elegant. The temperature can be adjusted by remote control and touch control, which is more convenient to use, can avoid wet hands to adjust, and is safer; constant temperature water outlet three-level power adjustment, bid farewell to cold and hot

SAVE SPACE AND ENERGY - Compact design, our tankless Hot Water Heater is only the size of a small suitcase, and the wall-mount design frees up valuable floor space within your home. And 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.

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

Low Flow 0.5-GPM Flow Rate

Uses digital microprocessor technology

Designed for undersink hardwiring, horizontal installation

2 PCs 16” long 1/2”FIP ,Stainless steel water hoses ,Vent valve,included

【NOTE】The cold water pipe has a safety valve, which is marked with a water pressure of 0.75MPa. When the water pressure in your home is greater than this value, the safety valve will automatically drain. At this point, you only need to contact us, we will send you a 0.9MPa exhaust valve, you can solve this problem

【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.

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

3000W Tankless Electric Water Heater: eliminates long time waiting. It heats water as the water passes thru the unit, instant heating, so you can use the hot water as you like. It can't be used to bath.

Power Saving & Space Saving: The mini tankless water heater only 3KW/H, consume less than 1 USD a day! It is power saving used for sinks of kitchen, bar, toilet or living room. Install the compact water heater below the sink, saving you space under the sink.

Easy to Install: Install the instant hot water heater under the bathroom or kitchen sink for washing dishes, food, clothes, faces and other functions. Wire requirements 2.5 square (#14 awg wire), breaker ≥30 amps, plug: 110V, water Pipe: 1/2 inch,