It can be difficult to buy a best tankless electric water heater online without feeling anxious. There are a lot of things to consider before finalizing your purchase. For example, you might worry about how the product will arrive or if it’s good enough for your needs. It’s also hard to know if the company is reliable. To help you feel more confident in your purchases, we’ve made a list of top 10 best tankless electric water heater for our readers.
Review of Best Tankless Electric Water Heater
Top Pick
1. Rheem 18kW 240V Tankless Electric Water Heater
- Brand: Rheem
- Manufacturer: Rheem
- Color: Gray
- Dimensions: Height: 3.5 Inches Width: 14.5 Inches Length: 18.5 Inches Weight: 14.78 Pounds `
Features
- External digital thermostatic control with LED display (+/1 degree accuracy)
- Most advanced self-modulation, adjust power to meet hot water demand
- Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
- Simple installation – bottom 3/4 inch NPT water connections
- Threaded for easy replacement, simple installation, digital temperature display
Best Quality
2. Tankless Water Heater Electric 27kW 240 Volt, thermomate On Demand …
- Brand: thermomate
- Manufacturer: thermomate
- Color: Gray
- Dimensions: Height: 3.12 Inches Width: 13.12 Inches Length: 17.12 Inches
Features
- [Instant Unlimited Hot Water] – REQUIRE 3 SET x Double-pole 40AMP Breakers to Achieve 240V for this On demand tankless electric water heater, providing hot water in 3 seconds when you need it and as long as you need, eliminating wait time, never run out of hot water again and No More cold shower. Flow Rate 5.27GPM @35°F Rise
- [Self-modulating Power] – Self-modulating technology regulating the amount of energy required to heat water only when you need it with 99.8% efficient, saving up to 60% on water heating cost comparing to traditional tank water heater. Wall mounted compact size with no water tank, convenient for any spaces, saving floor space and fitting into tight spaces.
- [Stable Water Temperature] – Auto adjusting energy consumption basing on income water temperature and flow, ensuring maximum efficiency, continuous stable temperature and optimal power usage. Digital temperature display allowing adjustment in 1° increment from 80°F to 140°F. Heating element separated from water tube significantly reducing scale, corrosion and mineral buildup on the element, achieving better performance and low maintenance.
- [Easy Installation & Safety Protection] – ETL certified with overheating protection, auto stop heating when detecting no water, quality workmanship for leakage protection
- NOTE – Make sure this water heater is the correct size for your hot water need: 27kW at 240V draw max 114Amp; Required breaker 3 x Double-POLE 40AMP; Wire gauge 3 x 8AWG; Unit size 17.12″ x 13.12″ x 3.12″; Water connection 3/4″ NPT. 2-year limite warranty and 24/7 customer support services.
Recommended
3. Airthereal Electric Tankless Water Heater 18kW, 240Volts – Endless On-Demand …
- Brand: AIRTHEREAL
- Manufacturer: Airthereal
- Color: Black
- Dimensions: Height: 3.43 Inches Width: 12.22 Inches Length: 17.25 Inches
Features
- ☼ Endless Hot Water: Imagine you are the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. Too bad you don’t have an Airthereal Electric Tankless Water to provide endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.
- ☼ Save Space: 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.
- ☼ 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 energy compared to a typical tank water heater.
- ☼ Important Note: In order to install 18kW Electric Tankless Water Heater it requires 240 Voltage, 2 x 40 AMP Circuit Breaker Size and a set of 2 x (8AWG/2) wires. Please check to confirm that your breaker panel meet these specifications.
- ☼ Safe To Use: 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.
4. Electric Tankless ECOTOUCH 18kW on Demand Instant Hot Water Heater …
- Brand: ECOTOUCH
- Manufacturer: ECOTOUCH
- Color: Black
- Dimensions: Height: 17.25 Inches Width: 4.02 Inches Length: 12.22 Inches
Features
- 【INSTANT & SUFFICIENT HOT WATER】 With real powerful 18kW smart heating system, the tankless hot water heater electric ECO180B supplies sufficient instant and endless hot water of 120℉ or higher in seconds, no waiting for preheating nor terrible temp fluctuation during shower time any more and no worry of running out of it. Perfect companion for whole house use, including shower, sink faucets, dishwasher, washing machine, etc.
- 【SELF MODULATION INSTANT WATER HEATER】The electric on demand tankless hot water heater ECO180B adjusts exact power input based on current flowrate and temp setting. For example, less power will be consumed by the smart water heater when you reduce water flow, thus, you get ideal temperature instead of scalding hot, which ensures comfortable experience and excellent energy efficiency. Also, optimal energy efficiency of 98% saves considerable electric charge for you.
- 【CONVENIENT USE】The electric tankless water heater 18kW comes with digital display & touch control panel so temp setting is easy job. Best of all, useful information on the screen helps you get full understanding of the working status of the 240v water heater tankless, you needn’t go through hard lesson of temp setting. Now turn on the faucet and let the smart instant hot water heater do the rest.
- 【SAFE and DURABLE】Newly updated and applied with multiple protections, such as leakage protection, over heating protection and auto stop. Every piece electric tankless water heater ECO180B goes through strict tests to ensure 100% safety and it is listed by ETL and qualifies for UL. Inner water and electricity lines are designed to run separately so as to avoid leakage risk and scale build up. You can expect outstanding performance for years to come.
- 【POINT of USE WATER HEATER】The sleek tankless water heater ECO180B is compact as shoes box, making it possible to install anywhere point of use to avoid waste, ideal for shower, kitchen, bar, school and hair salon. Please verify it is the right size for you: 18kW at 240V(only); dimensions 12.22″ (W) x 17.25″ (H) x 4.02″ (D); plumbing connections :3/4″ NPT. In order to install 18kW Tankless Water Heater it would requires 240V, 2X40AMP Double Pole Breaker and 2X8AWG/2 wires with Grounding.
5. Rheem 11kW 240V Tankless Electric Water Heater
- Brand: Rheem
- Manufacturer: Rheem
- Color: Gray
- Dimensions: Height: 3.63 Inches Width: 8.25 Inches Length: 12.63 Inches Weight: 7.0 Pounds `
Features
- ON/OFF Dial Control with adjustable digital temperature display
- Self-modulating power control
- 11kW Model Flow Rate: up to 2.68 GPM
- Side 1/2″ NPT water connections
- On demand, consistent and continuous hot water
6. EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 …
- Brand: EcoSmart
- Manufacturer: Ecosmart
- Color: White
- Dimensions: Height: 11.5 Inches Width: 8.0 Inches Length: 3.75 Inches Weight: 6.5 Pounds `
Features
- Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
- Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
- Save Energy; EcoSmart 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.
- EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
7. Electric Tankless Water Heater, Small Instant Hot Water Heater for …
- Brand: sanheshun
- Manufacturer: sanheshun
- Color: White
- Dimensions: Height: 2.5 Inches Width: 4.3 Inches Length: 6.0 Inches
Features
- 💦【High Quality】This is a compact and efficient water heater that can quickly produce hot water. The heater is safe, energy-saving, water-saving, pollution-free, and no exhaust gas. Durable, elegant and stylish.
- 💦【SAFETY DESIGN】The heater has leakage protection, IPX4 waterproof design, dry heat protection, water and electricity isolation, automatic power off in inactive state, automatic power off when over temperature, etc. ✤Easy to install: It is easy to install in the bathroom or kitchen sink for washing dishes, washing food, washing clothes, washing face and other functions.
- 💦【LCD DISPLAY】ABS housing, with LCD digital temperature display, the unit is Celsius °C. The water temperature can be adjusted freely by the water flow, and the operation is simple. Safety heater, energy-saving, water-saving, no pollution, no exhaust gas.
- 💦【STANDARD 1/2 INTERFACE】Standard 1/2 interface, which can be directly connected to household conventional hose connectors/faucet metal hoses/shower hoses/shower hoses.
- 💦【SPECIFICATIONS】The water heater need a larger than 32 amps circuit breaker; Rated voltage: 110V, Rated power: 3000W, Plug: American plug, current: 25-32A, Heating material: 304 stainless steel, Water temperature range: 68-122°F, Rated Water Pressure: 0.04-1.2Mpa.
8. Lewis N. Portable Immersion Water Heater + Electric Kettle Alternative …
- Brand: Lewis N. Clark
- Manufacturer: Lewis N. Clark
- Color: White
- Dimensions: Height: 2.0 inches Width: 9.0 Inches Length: 12.0 inches Weight: 0.25 Pounds `
Features
- HEATS FAST + SIMPLE TO USE: You’ll have warm water in seconds, boiling water in just minutes. Fill your container, place the immersion heater in the liquid, then turn on the immersion heater. It’s that simple.
- MAXIMUM SAFETY: Durable burn guard protects your coffee mug, cups, and bowls ensuring the coils never touch the sides of your dishes or containers. Safely heat coffee, tea, soup, hot chocolate, and more.
- TRAVEL ADAPTER: Powered with a dual voltage system, (120 V for North America, and 240 V for Europe and other regions), and includes a European adapter and travel pouch; perfect for all your domestic and international travel needs
- VERSATILE: Perfect coffee and tea heater at the office, at home, or while you travel. Wonderful addition to your camping accessories. Compact, lightweight, and portable. No need for a bulky electric kettle
- PERFECT GIFT: Hunter, outdoorsman, traveler, coffee or tea lover, Christmas, birthday, house warming gift, or for the person who already has everything! Keep at home, at the office, in the camper, or in your suitcase
9. Airthereal Electric Tankless Water Heater, 8kW, 240 Volts – Endless …
- Brand: AIRTHEREAL
- Manufacturer: Airthereal
- Color: Black
- Dimensions: Height: 2.55 Inches Width: 8.04 Inches Length: 13.08 Inches Weight: 8.2 Pounds `
Features
- ☼ Instant Hot Water: The 8kW electric tankless water heater supplies instant & endless hot water of 108℉ or higher with no waiting for preheating or temperature fluctuations. perfect companion for faucet and sinks, bringing you perfect experience of comfort and relaxing.
- ☼ 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 energy compared to a typical tank water heater.
- ☼ Save Space: A traditional 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 hot water heater with a tank. Compared to our next-largest 9kW water heater, this 8kW unit is 30% smaller with only 3,412 BTUs.
- ☼ Important Note: In order to install 8kW Electric Tankless Water Heater, it will require a 240 Voltage, 40 AMP circuit breaker. Please check to confirm that your breaker panel meets these specifications before purchasing.
- ☼ Safe To Use: With high temp protection, dry heating protection, and electrical leakage protection you can rest easy 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.
10. Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
- Brand: Rheem
- Manufacturer: Rheem
- Color: Gray
- Dimensions: Height: 3.63 Inches Width: 8.25 Inches Length: 12.63 Inches Weight: 0.000625 Pounds `
Features
- External adjustable digital thermostatic control with LED display (+/1 degree accuracy
- Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
- Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
- 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
- Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
- 54 A
Benefits of buying the best tankless electric water heater at Amazon
We all know that the products sold on Amazon are cheaper than other places. Amazon has a huge number of items to choose from. This means that it can be hard to decide which product you want, so we have come up with some benefits of buying best tankless electric water heater at amazon.
Supper Fast Delivery
Amazon.com is a company that uses technology to improve customer service. Amazon’s growth strategy involves making the shopping experience easy, convenient, and hassle-free. One of their strategies to improve their customers’ experience is by making sure that orders are delivered as fast as possible. To do this, they have invested in technology for faster delivery and these investments have resulted in Amazon delivering products faster than other e-commerce websites such as Walmart, Best Buy, Target, and even eBay.
The Best Customer Support.
Amazon’s helpdesk is second to none in the eCommerce industry. The company offers excellent customer support and responds to queries within a few hours. Customer service representatives are always available, even on weekends and public holidays. Furthermore, Amazon offers 24/7 live chat through the website, which allows customers to speak with an agent whenever they need assistance.
Final Words
Online shopping has become an important part of our lives. If you are searching for a product to buy, or if you want to buy something from Amazon, then this blog post is just for you. We have prepared the list of top 10 products for you. So, go ahead and buy a product now from the list above.