Best 110 Volt Tankless Water Heater For Shower in 2023: Our Top 10 Picks

Sometimes it might be quite difficult to find the best 110 volt tankless water heater for shower. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this 110 volt tankless water heater for shower buying guide.

Our 10 Favorites:

10 Top 110 Volt Tankless Water Heater For Shower Reviews:

SaleBestseller No. 1
Tankless Water Heater Electric, thermomate 3.5kW 120V Hard Wired Point of Use On Demand Hot Water Heater Self Modulating ET035 (NO PLUG)
  • 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.
Bestseller No. 2
Camplux Tankless Water Heater, 2.64 GPM On Demand Instant Hot Water Heater, Propane Tankless Water Heater Indoor, White
  • 2.64 GPM Instant Hot Water -Camplux high capacity 2.64 GPM propane tankless water heater delivers 2.64 GPM on demand endless hot water ensures instant hot water for any small homes, cabins or apartments. On demand water heater only heats the water when you need it and no waiting for preheat.
  • 6-IN-1 Multiple Protection- Flame-out protection, anti-freezing protection (manual drainage needed), over-heating protection, air flow pressure switch protection to ensure the safety. Safe electronic ignition system, plugs into standard 120V electrical outlet with UL-listed cord.
  • Easy Installation -The propane water heater uses standard 1/2" NPT water fitting and gas inlet. Comes with 2" horizontal vent pipe,ensures efficient power ventilation. Minimum activation rate: 0.65 GPM; Maximum input rating: 68,000 BTU; Water connection location/size: Bottom/0.5-inch NPT. You will need a gas regulator ( Camplux model KR-106A )&1 pc 5/8" NPT male to 1/2" BSP female gas connector adapter if you want to hook this water heater up to a propane tank.
  • Compact Design,Energy saving -The compact size instant hot water heater saves more space than traditional tanks.Trendy and modern design with fahrenheit digital temperature display. Eco and Full gas switch for energy saving and get ideal hot water temperature.
  • Considerate Customer Service- Here at Camplux, customer service is everything ! We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.
Bestseller No. 3
Instant Electric Tankless Hot Water Heater 110V Mini Shower Waterheater for Kitchen Bath Home Use 3000W (Red)
  • 【Heating Water in 3s】 When the water passes through the unit, 3000W output tankless electric water heater will heat in 3 seconds, saving your water bill. You can control the temperature according to the water flow.
  • 【Safe Automatic Power-Off】 Automatic power-off when inactive state, over temperature, leaking. And stop heating without water flow, save your electricity bill.
  • 【Easy to Install】 Just install the small water heater on a shelf, wall or bracket under the bathroom or kitchen sink; connect the water pipes up and down to provide hot water for your sink.
  • 【Installation requirements】 (1) trip switch / circuit breaker greater than 32A (C32), wire requirements greater than 2.5 square millimeters,otherwise it will trip.You need to open the back cover of the water heater machine, there is a button next to the heating pipe, press it, and then reload it can be restored.
  • 【Wide Applications】 Suitable for universal water pipe: 1/2 inch diameter (inflow or outflow),110V;US Plug. Install the small instant hot water heater under American kitchen island, kitchen and living room, enjoy hot water for washing dishes, food, clothes, faces and so on.
SaleBestseller No. 4
Stiebel Eltron Tankless Heater – Tempra 12 Plus – Electric, On Demand Hot Water, Eco, White
  • CONTINUOUS FLOW – Advanced Flow Control patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. It’ll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again
  • SPACE & ENERGY SAVER – Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation and the ability to electronically control water flow. Savings monitor even shows how much you save on energy costs
  • EASY OPERATION – Electronic switch activates the hot water heater and it’s noise free while in use. Has a digital temperature display and preset temperature and memory buttons, while the interior solid copper heating system does all the power work
  • TEMPRA 12 PLUS – This specific model is 12kW, 240V, requires a min recommended electric service of 100 A, and offers an output water temperature of 68° to 140°F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels
  • WARRANTIES INCLUDED – Stiebel Eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliability. Our 7-Year Leakage and 3-Year Parts Warranties are included with purchase
Bestseller No. 5
Thermoflow UT15 4 Gallons 110~120V Corded Electric Mini-Tank Water Heater Under Sink 110V ~ 120V, 1.5kW at 120 Volts,Plug in
  • ➤ 4 GALLON CAPACITY - 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Stainless steel tank and heating element designed for efficiency, durability and long life service (Relief Valve has been upgraded)
  • ➤ Save Energy - Low stand-by loss power consumption. With Advanced Thermostop Technology of Germany, stop heating or reheating automatically when the water heater reaches a high or low set temperature
  • ➤ EPS FOAMING TECHNOLOGY - Heating water quickly and better insulation, fast recovery rate eliminates long waits for hot water at your sink
  • ➤ 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.
SaleBestseller No. 6
BOCCHERINI Electric Shower Head Water Heater For Bathroom 110V / 120V Ducha Electrica Para Agua Caliente Regadera Duchas Electricas / 3 Temperature Water Selector
  • ✔ PREMIUM ELECTRIC SHOWER WATER HEATER | Instant hot water with an unlimited supply, when you want it without wasting any energy when not needed. VOLTAGE: 110 - 120 V
  • ✔ 3 TEMPERATURE SETTING SELECTOR | Three water temperature control, Warm, Cold and Hot. DUAL SHOWER HEAD / HANDHELD HEATER COMBO | Overhead shower head and hand shower separately.
  • ✔ IMPORTANT: Requires to install 40 AMP Breaker and 10 AWG wiring. Save up to 60 percent on your water heating cost with a BOCCHERINI Electric Shower Head heater.
  • ✔ INSTALLATION GUIDE included in the box and a QR CODE for video installation guidance. Please contact us by message if you have further questions about the product and we’d be happy to assist you.
  • ✔ BOCCHERINI is a brand that transforms and promotes development providing premium electric shower head heaters since 1989. Now we are more than 250 families benefited by the innovation and quality of our products.
SaleBestseller No. 7
FZJDSD 3500W 110V Instant Electric Bathroom Hot Water Heater Whole House With Shower Head Mini body LCD digital temperature displa
  • [Various protections] Leakage protection, IPX4 waterproof, Dry heating protection, Water-electricity isolation, Auto power off at inactive state, Over-temperature automatic power off.
  • [Features] Exquisite workmanship and strict factory inspection ensure the accuracy of the product. We will perform three manual inspections for you during manufacturing, warehousing and transportation.
  • [Safe heater] Safe heater, electricity saving, water saving, no pollution, no exhaust gas.But it doesn't apply to the kitchen.
  • [Instant heating] It heats water as the water passes thru the unit, instant heating, so you can use the hot water as you like.
  • [About us] FZJDSD provides a one-year quality guarantee. Within one year from the date of your purchase, if there is any problem with the product, please contact us directly, and we will provide you with free return and exchange processing!
Bestseller No. 8
110V Electric Water Heater Kitchen Household Electrical 8L Huge-Tank Hot Water for Kitchen Washing Faucet 1500W, IPX4 Water-Proof Level
  • ✔This is a lightweight electric water heater with a perfect combination of inner quality and classical appearance, which applies for multiple demands of different families.
  • ✔This product uses green environmental material, which is qualified for international standard, and satisfies difficulties of hot water supply for multiple places, easily solves issues such as face washing, bathing, vegetable washing and dish washing.
  • ✔It can be installed in the kitchen, rest room, bathroom or any other places you want optionally because of its characteristics of small area, strong applicability and convenient installation.
  • ✔It is a directly heating type with high efficiency and low power heating tube, which can take advantage of the thermal energy maximally. The temperature can be adjusted between 55℃-75℃ optionally, and the power will be off automatically when the set temperature is achieved.
  • ✔Its total power is 1500w and it has multiple installation methods. It is applicable for different water pressure of different areas, especially for families which are located on higher floors with low water pressure.
Bestseller No. 9
Electric Water Heater 4500W Instant Wall Mounted Water Heater Household Supplies 110V for Home(A)
  • 【Fast Heating System Function】The water heater adopts fast heating system function, instant hot water output. There is no need to wait for a long time, uniform heating and long life, water leakage, explosionproof and has excellent performance.
  • 【Fast Heating System Function】The water heater adopts fast heating system function, instant hot water output. There is no need to wait for a long time, uniform heating and long life, water leakage, explosionproof and has excellent performance.
  • 【Tempered Glass Surface Material】Adopts tempered glass surface material, fashionable texture, waterproof and scratch resistant, wipe and when simple and convenient.
  • 【Intelligent Constant Temperature Technology】Say goodbye to the hot and cold water during the bath, intelligent constant temperature technology, the water temperature difference is controlled within the appropriate temperature.
  • 【Power 4500W & Temperature 55】One machine with multiple functions, to meet the household's multiple water needs at the same time, with a high power of 4500W and a temperature of 55.
SaleBestseller No. 10
5500W Tankless Instant Electric Water Heater 110V with Remote Control Digital Display Instant Hot water Heater Self Modulates for Sinks and Shower,Small Enough to Install Anywhere,Can't use socket
  • 💧Instant & Sufficient Hot Water(Can't use socket):The cast aluminum liner has excellent thermal conductivity,heat up quickly! electric water heater supplies instant, consistent and endless hot water of 30°C~55°C ( 86°F to 131°F) temp shortly, no waiting for preheating nor temp fluctuations in use, perfect companion Sinks and Shower Purpose.
  • 💧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 costs.Adapted water pressure: 0.04-0.6MPA; Including 1* live wire +1* neutral wire +1* ground wire.(Note:Circuit Breaker:60-63AMP )
  • 💧Safe To Use: IPX4 Waterproof.With high temp protection, dry heating protection, and electrical leakage protection you can rest easily 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.Dynamic thermal cycle and 60-degree overtemperature protection device, the warm water will not exceed 70 degrees, and the service time is short, no water scale build-up.
  • 💧Convenient Use & Space Saving:the electric tankless water heater 5500w comes with digital display.Also with 3 meter long distance remote control, convenient and practical to use. Smaller size:12.6*8.6*2.55in.That 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 traditional hot water heater with a tank.
  • 💧Multiple uses:The unit is mainly for sinks and shower purpose.Making it possible to install anywhere point of use to avoid energy and water waste, ideal for single shower, kitchen faucet, bar, school, hospital, community and hair salon.

Last update on 2023-06-09 / Affiliate links / Images from Amazon Product Advertising API

How to find the best 110 volt tankless water heater for shower?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best 110 volt tankless water heater for shower for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good 110 volt tankless water heater for shower recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the 110 volt tankless water heater for shower need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for 110 volt tankless water heater for shower to find what you’re looking for:


In some cases, the brand of 110 volt tankless water heater for shower is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.


The features in any given 110 volt tankless water heater for shower are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.


Customer reviews about 110 volt tankless water heater for shower are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.


Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare 110 volt tankless water heater for shower quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.


Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.


The quest to find the best 110 volt tankless water heater for shower can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.