16 Best 120V Tankless Water Heaters for Instant Comfort

Discover the best 120v tankless water heater for your home. Enjoy instant hot water with efficiency and style, tailored to your needs.
16 Best 120V Tankless Water Heaters for Instant Comfort

Top Quick Picks For You

Top Frugal Selection

Green Point Home Tankless Water Heater

Green Point Home Tankless Water Heater

This product offers an economical option with a strong performance, making it ideal for budget-conscious consumers looking for a reliable tankless water heater.

Best for Small Spaces

ThermoMate

ThermoMate

The compact dimensions of 10.95" x 7.4" x 2.52" allow this tankless water heater to fit easily into tight spaces, making it perfect for small homes or apartments.

Best for Quick Heating

Kweetle Tankless Heater

Kweetle Tankless Heater

With a powerful 6000W heating system, this unit achieves hot water in just 3 seconds, ensuring you never have to wait for hot water again.

Best for Energy Efficiency

Camplux TE05

Camplux TE05

This model features a self-modulating design that adjusts power usage based on demand, providing up to 99.8% energy efficiency and significant energy savings.

Best 120v Tankless Water Heater

Are you tired of lukewarm showers and long waits for hot water? Discover the magic of a 120v tankless water heater, where efficiency meets convenience in the heart of your home. In this article, we’ll unveil the top contenders that will keep your water steaming hot, ensuring comfort and savings—all without the bulky tank.

Top Frugal Selection: Green Point Home Tankless Water Heater

Tankless Water Heater Electric 3000W Instant Water Heater 110V Under Sink Water Heater, On Demand Hot Water Heater Electric with Digital Display, Portable Water Heater for Kitchen
Highlights
Heats water quickly
Compact and efficient
Easy installation

We’ve crowned the 120V tankless water heater as our “Top Frugal Selection” for a good reason !

This gem heats water quickly and efficiently, boasting a powerful 3000W maximum output .

Its compact design fits seamlessly in any space, making installation a breeze .

While it requires specific wiring and may struggle with very low flow rates, its smart temperature control offers flexibility—switch easily between Celsius and Fahrenheit with a simple button press .

Plus, features like anti-dry burning and overheating protection provide peace of mind .

For budget-conscious consumers, this tankless beauty is a stellar choice that doesn’t skimp on performance!

Be sure to also check out the best 220 volt tankless water heater for more options! Also, here is the price history so you know exactly when to buy!

Price history for Green Point Home Tankless Water Heater on Amazon

Best for Small Spaces: ThermoMate

Tankless Water Heater Electric for Sink Faucet, ThermoMate 4500W 110~120V Small Point of Use Instant Hot Water Heater CSA Approved with Temperature Display, Self-modulating, 0.85GPM at 35°F Rise
Highlights
Instant hot water
Highly efficient
Compact design

We're excited to share our thoughts on the Thermomate 120V Tankless Water Heater, which we proudly labeled as the Best for Small Spaces !

Its compact dimensions of 10.95" x 7.4" x 2.52" make it a breeze to fit into tight spots—think under sinks or in cozy apartments .

With a powerful 4.5kW heating system, you can enjoy instant hot water at a range of 85°F to 131°F within seconds .

Plus, it’s impressively 99.8% efficient, only using power when needed .

Just keep in mind that it requires hardwiring and has a limited flow rate .

Small but mighty, this heater is ideal for any compact living!

Be sure to also check out the best 2.5 gallon water heater for more options! Also, here is the price history so you know exactly when to buy!

Price history for ThermoMate on Amazon

Best for Quick Heating: Kweetle Tankless Heater

Tankless Water Heater Electric, 6000W 110V Instant Hot Water Heater with Digital Display Self-modulating, Overheating Protection for Demand
Highlights
Compact design
Instant hot water
Energy efficient

When it comes to instant hot water, we couldn't resist highlighting the Kweetle 120V Tankless Water Heater as our top pick for quick heating !

With a powerful 6000W system, you’ll get hot water in just 3 seconds—no more waiting around !

Featuring advanced technology with safety features like leakage protection and automatic shut-off, this compact unit is perfect for under-sink installation .

Plus, its energy efficiency adapts to your needs, cutting down on wasted power .

While occasional circuit breaker trips can occur, the benefits far outweigh the drawbacks for a reliable source of endless hot water.

Be sure to also check out the best candle wax melter for more options! Also, here is the price history so you know exactly when to buy!

Price history for Kweetle Tankless Heater on Amazon

Best for Energy Efficiency: Camplux TE05

CAMPLUX Tankless Water Heater Electric 4.5kW 110~120V Small Instant Hot Water Heater, Point-of-Use, Save Space for Sink Wall Mounted LED Digital Display ETL Certified TE05
Highlights
Energy efficient
Compact size
Fast heating time

We’re excited to share our top pick for Best for Energy Efficiency—the ultimate 120V tankless water heater .

With its innovative self-modulating design, it offers an impressive 99.8% energy efficiency, making it a smart investment for eco-conscious homeowners .

You'll love the convenience of instant hot water, ready in just 3 seconds whenever you need it !

Its compact size of 10.95W x 2.52H x 7.4D inches fits seamlessly under sinks or tight spaces .

While it may lack an on/off switch and requires some wiring, the safety features and outstanding performance make it a top contender on our list .

Let’s dive in!

Be sure to also check out the best water heater filter for more options! Also, here is the price history so you know exactly when to buy!

Price history for Camplux TE05 on Amazon

Rheem Tankless Water Heater

Rheem 3.5kW 120V Point of Use Thermostatic Tankless Electric Water Heater
Highlights
Endless hot water
Space-saving design
Energy efficiency

Get ready to embrace a world of endless hot water with the Rheem Professional POU T !

This compact marvel is 90% smaller than traditional heaters, making it perfect for tight spaces .

We love how it only heats water as needed, translating to significant energy savings each month .

However, be cautious as some users have reported issues with reliability and performance consistency .

With a maximum flow rate of 0.9 gallons per minute, it might not be suited for larger households, but for point-of-use installations, it's a great choice .

Overall, it’s a solid contender if you're ready to go tankless!

Be sure to also check out the best water heater timer for more options! Also, here is the price history so you know exactly when to buy!

Price history for Rheem Tankless Water Heater on Amazon

WINTEMP Tankless Heater

Tankless Water Heater Electric 4.4kW 110~120V, WINTEMP Provides hot water on demand without a storage tank, featuring self-adjusting temperature control, digital display and overheating protection
Highlights
Endless hot water supply
Energy-efficient operation
Easy to install

We couldn't be more excited about the WINTEMP Tankless Electric Water Heater (KJU144) !

This compact powerhouse redefines convenience with its ability to provide endless hot water—yes, you read that right !

Imagine having instant hot water at your fingertips in just 3 seconds .

It's perfect for sinks and daily tasks .

Installation is a breeze thanks to its lightweight design and included power cord, although it does require a dedicated circuit .

A standout feature is its energy-saving technology, ensuring you save up to 50% on water heating costs .

Just a heads-up: this unit isn’t made for showers and has a max flow rate of 1.4 GPM .

Overall, it’s a fantastic choice for an efficient and reliable hot water solution!

Be sure to also check out the best water heater booster for more options! Also, here is the price history so you know exactly when to buy!

Price history for WINTEMP Tankless Heater on Amazon

Bosch Tronic 3000 T 120v Tankless Water Heater

BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
Highlights
Convenient point-of-use design
Fast recovery rate
Long-lasting quality materials

When it comes to finding the perfect hot water solution, the BOSCH 2.5 Gallon Mini-Tank Water Heater truly shines .

We love its convenient point-of-use design, which fits snugly under your sink, offering fast access to hot water whenever you need it .

With a remarkable thermal efficiency of 98%, you can count on this heater to deliver on-demand hot water for up to two sinks at a time .

The long-lasting glass-lined material ensures durability, while the easy installation allows you to mount it on walls, shelves, or floors .

Just be mindful of the dedicated outlet requirement!

Be sure to also check out the best 2 gallon water cooler for more options! Also, here is the price history so you know exactly when to buy!

Price history for Bosch Tronic 3000 T on Amazon

WINTEMP Tankless Heater

Tankless Water Heater Electric 3.5KW 110~120V, Designed to Provide Hot Water on Demand Without the Need for a Storage Tank, Use a Self - Adjusting Rotatable Digital Display Silver ETL
Highlights
Endless hot water supply
Rotatable digital display
Energy saving up to 99%

If you're in the market for a tankless water heater, the WINTEMP KFU135 is a fantastic choice .

With its 3500W 120V system, you'll relish an endless supply of hot water in just seconds—no more waiting around !

The rotatable digital display is a nice touch, making it easy to check settings from any angle .

We love how it automatically adjusts to save energy, which can mean up to 99% savings on your heating costs .

While installation may be a touch tricky and a 30-amp breaker is necessary, the overall efficiency and safety features, including overheat protection, truly stand out.

Be sure to also check out the best stainless steel water dispenser for more options! Also, here is the price history so you know exactly when to buy!

Price history for WINTEMP Tankless Heater on Amazon

Biselong Water Heater

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)
Highlights
Rapid temperature recovery
Energy-efficient design
Compact and space-saving

We’re excited to introduce the BISELONG 120V Tankless Water Heater, a powerhouse designed to meet your immediate hot water needs !

With its rapid temperature recovery, you can say goodbye to impatiently waiting for hot water .

Thanks to the 1500w heating element and smart inverter technology, it quickly heats up in just 8-15 minutes, perfect for multiple sinks !

Plus, its 98% thermal efficiency means you're saving on energy costs too .

The compact design fits snugly under sinks, making it a delightful space-saver .

Just keep in mind, while installation is straightforward, some users have found the instructions a tad vague .

Overall, this unit is a fantastic choice for efficient home heating!

Be sure to also check out the best halogen heaters for more options! Also, here is the price history so you know exactly when to buy!

Price history for Biselong Water Heater on Amazon

EcoSmart POU 4T 120v Tankless Water Heater

EcoSmart POU 4T 3.5kW 120v Thermostatic Point of Use Tankless Electric Water Heater
Highlights
Compact and space-saving
On-demand hot water
Energy-efficient operation

When it comes to finding an efficient and compact solution for hot water, the EcoSmart POU 4T stands out .

This super-slim unit is designed for point-of-use or low-flow needs, ensuring that you get instant hot water exactly when you need it—without the worry of running out !

With its energy-efficient design, it only heats water on demand, which is a great way to save on bills .

However, keep in mind that the product has received mixed reviews and may face some reliability issues .

Still, if space is a concern, this tankless heater could be the right fit for you!

Be sure to also check out the best inline heater for more options! Also, here is the price history so you know exactly when to buy!

Price history for EcoSmart POU 4T on Amazon

EcoSmart ECO 11

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
Highlights
Endless hot water supply
Space-saving design
99% energy efficiency

When it comes to finding a reliable tankless water heater, the EcoSmart ECO 11 stands out with its endless on-demand hot water .

Say goodbye to lukewarm showers; this unit consistently delivers hot water with precision, maintaining temperatures within a single degree .

Its compact design lets you save space, fitting snugly wherever you need it most .

Plus, with 99% energy efficiency, you’ll only heat water when you need it, cutting down on waste .

Just be mindful of the high amperage draw and consider professional installation for the best performance .

If you want hot water on demand, this is your go-to choice!

Be sure to also check out the best monitor heaters for more options! Also, here is the price history so you know exactly when to buy!

Price history for EcoSmart ECO 11 on Amazon

GE Water Heater

GE Appliances 10 Gallon Versatile Plug and Play Electric Water Heater with Adjustable Thermostat, Easily Installs Where You Want It, 120 Volt
Highlights
Easy installation
Compact design
Reliable heating element

We’re excited to introduce the GE 120V Tankless Water Heater—your new best friend in the quest for instant hot water !

Its compact design fits perfectly in tight spaces like kitchens and RVs, making it a versatile choice for any setup .

Installation ?

A breeze !

You can have it up and running in mere minutes with standard plumbing connections .

The stainless steel heating element delivers reliable warmth, ensuring you’re never left out in the cold .

While you may need to make a quick temperature adjustment from time to time, its 8-year warranty gives you peace of mind. Hot water, hassle-free!

Be sure to also check out the best cordless air duster for more options! Also, here is the price history so you know exactly when to buy!

Price history for GE Water Heater on Amazon

Generic Tankless Water Heater 120v Tankless Water Heater

Tankless Water Heater Electric, Instant Hot Water Heater Under Sink, 3000W 110V On Demand Mini Water Heater for RV Kitchen Bathroom, White
Highlights
Compact design
Quick heating time
Automated standby mode

When it comes to finding a tankless water heater that fits snugly in tight spaces, we think the Generic 3000W Tankless Water Heater is a solid contender .

With its quick heating capability, it can raise the temperature of water by 45°F in just seconds at lower flow rates .

However, please keep in mind that it’s not the best choice for showering, as it can't handle the needed flow rate .

The waterproof design and safety features give us peace of mind, and the one-touch operation is a nice touch for convenience .

Just remember to follow installation guidelines, and you'll be all set!

Be sure to also check out the best ice machine water filter for more options! Also, here is the price history so you know exactly when to buy!

Price history for Generic Tankless Water Heater on Amazon

EcoSmart Mini Tank Water Heater

Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini Tank Water Heater, White
Highlights
Compact design
99.8% energy efficient
Easy point-of-use installation

We’re excited to talk about the ECOSMART 120V tankless water heater !

This unit impresses with its sleek and compact design, making it perfect for tight spaces .

Not only does it showcase a digital output temperature display, but it's also a powerhouse in energy efficiency, boasting an incredible 99.8% efficiency rating .

Installation is a breeze with the included appliance line cord—no venting is required !

However, be prepared for some trial and error when setting temperatures, as there are no markings .

With a limited 2.6-gallon water storage, it’s ideal for quick uses, providing hot water when you need it most.

Be sure to also check out the best amish heater for more options! Also, here is the price history so you know exactly when to buy!

Price history for EcoSmart Mini Tank Water Heater on Amazon

Antuony Tankless Water Heater

Tankless Water Heater Electric with Remote, On Demand Under Sink Hot Water Heater Electric 110V with LED Display - Automatic Control System - Fault Self-Test Function (3000W Pure Black, Pure Black)
Highlights
Instant hot water
Space-saving design
Multiple safety protections

When it comes to enjoying instant hot water, the Antuony Tankless Water Heater offers some impressive features .

With its 3000W-5000W heating system, it provides rapid heating in just 3 seconds, making those chilly mornings a lot more bearable .

Designed with elegance in mind, its ultra-thin appearance looks great under your sink .

Plus, with a remote control that adjusts temperature easily, you can bid farewell to scalding surprises !

However, potential buyers should consider that its low flow rate can impact efficiency, and inconsistent heating may affect your hot-water experience .

Overall, it’s a space-saving champion equipped with multiple safety features to keep things worry-free.

Be sure to also check out the best parabolic heater for more options! Also, here is the price history so you know exactly when to buy!

Price history for Antuony Tankless Water Heater on Amazon

Feelrogast Water Heater 120v Tankless Water Heater

Electric Tank Water Heater-8 Gallon Under Sink Instant Hot Water for RV, Camper, Kitchen, Food Truck, 120V 1500W, Wall or Floor Mounted
Highlights
Instant hot water
Compact and versatile design
High quality and durability

The Feelrogast electric mini tank water heater is a delightful little powerhouse for anyone in need of instant hot water .

With the ability to rapidly heat water and an adjustable temperature range of 86-167°F, we can say goodbye to the infamous waiting game .

Its 316 stainless steel heating element boasts up to 99% heat utilization, ensuring you get the most efficiency possible .

Safety is a priority here, with multiple protective features like a leakage protection plug and overheat protection .

Installation is a breeze, whether you choose to mount it on the wall or keep it rack-friendly .

While some may encounter occasional pinhole leaks and the unit demands a bit of electrical expertise for setup, the compact design makes it perfect for kitchens, RVs, and even food trucks .

Overall, the Feelrogast mini tank water heater combines efficiency with safety, offering reliable performance that meets the heat demands of any busy household.

Be sure to also check out the best handy heater for more options! Also, here is the price history so you know exactly when to buy!

Price history for Feelrogast Water Heater on Amazon

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