Top 10 Tankless Water Heater 120V of 2022

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Buying a Tankless Water Heater 120V seems like an easy job, but not everytime. There are hundreds of Tankless Water Heater 120V available on the market from various producers, which is enough to confuse you. They are so similar in terms of performance, quality, longevity, and overall user experience that choosing a final buying decision may be tough. All you need at that point is a comprehensive buying guide to help you find the ideal Tankless Water Heater 120V for your needs.

In this article, we will go over a few important points to consider about before buying a Tankless Water Heater 120V. You can call it a proper review guideline for you which will cover pros and cons of your desired product including its sustainability, affordability, functions, and also practical benefits. There will also be a solid comparison of a few related products. As a result, you’ll be able to quickly select the best option for your needs. Let’s take a look at what’s going on inside.

Best Tankless Water Heater 120V : Top 10 Picks

Last update on 2024-02-15 at 07:03 / Affiliate links / Images from Amazon Product Advertising API


10 Best Tankless Water Heater 120V Reviews According To Experts

We tried to find the top ten Tankless Water Heater 120V from thousands of different products in this section. This list will make you feel easy to get your desired Tankless Water Heater 120V within a few minutes. We emphasized their usefulness, performance, durability, outlook, affordability, and previous user experiences. We are confident that this list of the top 10 Tankless Water Heater 120V will help you find the one that best fits your needs.

Bestseller No. 1
WINTEMP Tankless Water Heater Electric 3.5KW 120V, Designed to Provide Hot Water on Demand Without the Need for a Storage Tank, Use a Self - Adjusting Rotatable Digital Display Silver
  • 【Endless Hot Water】- WINTEMP Tankless Water Heater Electric - KFU135 Applied with 3500W 120 V heating system, It provides an endless supply of hot water in a short time,Instant hot water at 73℉ is available in seconds. no need to wait for preheat nor to worry about the temperature variation. It is perfect companion for sinks, Bring you the perfect experience of comfortable home.
  • 【Rotatable Digital Display】- Unique appearance design, High strength ABS splash proof casing, With a rotatable digital display, you no longer need to worry about turn the water heater upside down.
  • 【Save Energy】- WINTEMP 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%, which can help you save a lot of heating costs. Unlike a tank heater, it maintains water temperature even when not being used.
  • 【Easy to Install】- The portable water heater has a mini body, It can be tuned upside down with a horizontal and vertical tilt, and can be installed anywhere. You will need to have access to 120 volts, 1 set of 30-amp circuit breakers, and 10AWG wires. Size: 9" x2.6" x 8.5", Standard 1/2 interface(inflow or outflow), can be directly connected to household conventional hose connectors.
  • 【Safe to Use】- There is overheat protection, dry-heating protection, electricity leakage protection function, which can ensure your safty. 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. Note: Does not come with a plug.
Bestseller No. 2
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
Bestseller No. 4
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
Bestseller No. 5
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
  • 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
  • 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)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • 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)
  • 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. Mini-tank water heaters are the perfect solution for a variety of applications such as small homes, garages, offices, in-law suites and anywhere you need hot water produced at the point-of-use.
SaleBestseller No. 6
110V-120V 1.5Kw Small Under Sink Tank 2.5 Gallon Water Heater Hot Storage,Mini Instant Electric RV TR Trailer Kitchen Compact Point-of-Use
  • 【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.
Bestseller No. 7
Thermoflow 110V~120V Mini Tankless Water Heater Electric Point of Use On Demand Instant Hot Water Heater Under Sinks Wall Mounted, CSA Certified 3.5kW 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 mini instant 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】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.
Bestseller No. 8
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.
SaleBestseller No. 9
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
SaleBestseller No. 10
Eemax SPEX2412 FlowCo 2.4 Kilowatt 120 Volt Electric Point of Use Water Heater, White
  • Temperature output based on flow rate
  • SafeStart technology
  • Mounts in any orientation
  • Self diagnostics and intelligent controls
  • Activates only on-demand, compact size

Last update on 2024-02-15 at 07:03 / Affiliate links / Images from Amazon Product Advertising API




Things To Consider When Buying Tankless Water Heater 120V

It is impossible to ascertain everything about anything as a human being. It is impossible to be an expert in every field. In that case, going through a proper buying guide can save us from being fool after purchasing a Tankless Water Heater 120V just because of not knowing properly earlier.

You do not have to be an expert on that specific product in order to purchase it. Just focus on a few key points that we’ll go over later. Taking these simple considerations into account may make your shopping experience more pleasant and straightforward. Let’s get started.

Understand what you require.

The very first thing to discover is your needs or requirements. If you are not properly informed of your demands, there is a big chance that you will purchase the incorrect things at the wrong time and waste a significant amount of money. So, first and foremost, we recommend that you carefully consider your requirements when searching for a Tankless Water Heater 120V. Simply make a short list of your requirements. This simple task will lead you to simplifying your purchasing process. Then you will be able to know your prioroties which is the most important thing.

Budget vs Pricing

Before you decide to buy anything, one of the most important issue to think about is budget. Your desired product can be asked any amount of price by it’s seller and producer. That depends on different expences like raw material purchasing, manufacturing, transportation, operational costs and their brand value playes a huge role there. You need to be prepared to spent the higher amount of money if you demand for the higher quality in your product. Budget is so important for this cause. This is almost a universal truth and your Tankless Water Heater 120V also fall into it.

There is a popular proverb in our society, “Cut your coat, according to your cloth”. First of all, you can find out those products on the internet which you actually want. Look carefully their features and prices. With your deep observation, make a proper comparison among them and select one that you need. Now make a question inward your mind that you are really financially capable enough to purchase that specific Tankless Water Heater 120V or not? If the answer is yes, then go for it. You may think about the second best option if your answer is no.

Select the Best Brand

Because of our emotional attachments, we are frequently predisposed toward certain brands. This practice yields positive results at times and negative results at other times. However, there is no way to argue with the concept of relying on well-known brands. Because having enough cash in your pocket makes making decisions half as easy. But one thing remains, if you are not 100% sure that your brand of choice makes the best product that you are seeking for. So you have to be very carefull when you are choosing any product if it is the right product from right brand.

People are divided into two groups. One is fully reliant on a single brand, while the other seems unconcerned. All he requires is the appropriate goods for the price he is paying. May be we are not aware of the category that you belong to.However, there are a few pointers that may be useful to both of you when it comes to selecting the correct brand for the right product.


  • Make sure in this case that you are well-versed in the brand.

  • What people are saying about this brand.

  • What is the average rating for that brand’s specific product?

  • Contrast the features with those of competitors.

  • Does these features meet your necessities?


Analyze the Features Section.

Whether you buy it online or offline, the first thing you should check is while buying is the features of Tankless Water Heater 120V. This is the best way to know about a product and get a clear concept. You will be able to understand, that product will match with your requirements or not.

The features section also helps us in swiftly identifying the differences with others. Then, using the features, you can compare it to similar products. If you do so, it will be much easier to reach to the final decision because you will be able to understand about the quality here.

Consider the benefits and drawbacks.

Every item has its own set of advantages and pitfalls. It is our job to thoroughly inspect them before purchasing them. So, stay cool, and find out the drawbacks which you demanded from that Tankless Water Heater 120V. Maybe some other manufacturer made the perfect one for you. Just don’t be too lazy to compare your options to theirs before making your final decision.

Pros and Cons sections can be found on most websites. Take your time reading that part. For asking more you can contact them via email or phone.

Quality and performance

Color, Style, Performance, Materials, and, most importantly, Durability are all factors that contribute to quality. When you are buying anything, be carefull to check those quality related issues. We think you are actually paying the money for this. Do you think this Tankless Water Heater 120V is worthy enough against the investment you did? It completely depends on the quality that you are going to experience.

Know About Warranty and Return Policies

A lot of manufacturers are making products. A good amount of them are maintaining high quality as well. To make us known about those products, they make also creative advertisements. Everything is fine. But then arrives the matter of Warranty and After Sales Service. For many, it’s really a big deal and it is quite able to make a big difference.

Don’t forget to check the facts like warranty, guarantee, and obviously the return policy if there any. Nobody can claim that nothing will happen, no matter what the quality of that product is. Nothing lasts forever. But a minimum return of value you can expect from the Tankless Water Heater 120V you are going to pay for. So, be careful about checking policies. You may get some companies who are so clever that they try to make people puzzled with their obscure and mystical policies. In that case, don’t hesitate to contact with their representative and ask about what you want to know.

Checking FAQs and Customer Reviews makes your job easier.

If you want to save your time precisely, then checking FAQ anwers and customer reviews can be utile for you. There are few common questions people asked before and they are answered as well is called the Frequently Asked Questions or FAQ. On the other hand, you will get a real life experience through the customer reviews in which they share their sotries about the product.

If you want to get a clear idea of both, checking out those two things are must. You may find there such informations which might not come in your mind to ask if you didn’t go through. You will be able to decide whether this Tankless Water Heater 120V will come handy or not without any hesitaton.

Final Thought

One last word, don’t forget to consider the price you are paying for the Tankless Water Heater 120V is logical enough against the value it is providing to you. Have you been able to gratified with that? Can you be able to fullfill your demands with that? That’s the thing that should get the most importance we guess.

Hope you have enojoyed this whole article which was actually a buying guide that will lead you to buy the best Tankless Water Heater 120V. All the efforts we put here will get success when you will find this even a little bit of useful for you. At the end of the day, your satisfaction matters most to us.

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