Below is the table which shows the top 6 best electric water heaters 2018. Each and every electric water heaters is chosen by our specialist reviewers.

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# 1 - Ecosmart Eco 11 Electric Tankless Water Heater, 13kw At 240 Volts With Patented Self Modulating Technology

This Smart Technology electric tankless water heater is configured as a "whole home" model for climates where incoming water temperature is 67°F and above. This model is well suited for heating up to 2-Gallon per minute, which is the equivalent of one shower head (with a 1.5 gpm flow) and one sink with a low inlet water temperature of 67°F and an output setting of 105°F. Digital Temperature Control allows you to set your temperature in increments of 1 Degree. This model can also be used in colder climates as a Point of Use for a sink or other low…


  • Lifetime warranty or residential use. Save up to 60% on your water heating costs with the most advanced, self modulating technology available
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 12 cubic feet of storage space. Digital temperature control in 1-degree increments gives users complete control of hot water
  • 11Kw at 220 is equal to 13kw at 240 and activation flow is 0.3 GPM
  • The ECO 11 requires a minimum 125 amp electrical panel for installation with (1) 60 amp double pole breaker connected to (1) set of #6 awg wire.


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# 2 - Reliance 6 6 Soms K 6 Gallon Compact Electric Water Heater

6 Gallon, Electric Compact Water Heater, 1650W, 120V, Side Plumbing, Single Element, Factory Installed T & P Valve, 2" Insulation, R-Value 16.00, 15-1/4" Tall x 14-1/8" Diameter, 6 Years Warranty.


  • Ideal for under counter or crawl space installation
  • 6 gallon short, 6 year warranty, electric.
  • Single 120 volt 1650 watt copper heating element.
  • Side mounted cold water inlet and hot water outlet for easy installation.
  • Factory installed Temperature and Pressure, T&P relief valve


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# 3 - Bosch Electric Tankless Water Heater

The Bosch US12 Tronic 3000 electric tankless water heater is designed to provide an endless supply of hot water to kitchen, bathroom, and handwashing sinks. This 12 kW electric heater eliminates long waits for hot water by using a dual chambered copper heat exchanger. The unit runs at 98% thermal efficiency, so stand-by loss is minimal. This model features on-unit thermostatic control, so you can set the water temperature to your desired range. Plus, it mounts on the wall in any direction and is compact and lightweight, making it a great choice for a variety of spaces. With its top…


  • 12 kW output tankless electric water heater provides eliminates long waits, as it provides on-demand hot water supply
  • Easy installation under bathroom or kitchen sink
  • Features thermostatic control for easy tempurate output adjustments
  • 98% efficient with minimal stand-by loss. Water pressure range: 10 - 150 psi
  • Unit is only designed to operate on 240-Volt


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# 4 - Westinghouse 80 Gal. 4500w Lifetime Warranty Electric Water Heater With Durable 316l Stainless Steel Tank

The Westinghouse high-efficiency electric water heater has high recovery rates, low standby heat losses and features an aesthetically pleasing faux stainless steel exterior. The 316L stainless steel inner tank offers superior corrosion resistance, is laser welded for precision and has a limited lifetime warranty when registered online.


  • Long lasting 316L stainless steel tank resists corrosion
  • Limited lifetime warranty with online registration
  • 20 gph recovery at 90-degree rise
  • 98% thermal efficiency
  • 84-Gallon first hour delivery
  • NOTE: Refer the User Guide before use.


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# 5 - Bosch Tronic 3000 T 7-gallon Electric Mini-tank Water Heater

Get hot water where it's needed, when it's needed with the Bosch ES8 Tronic 3000 T electric water heater. This 7-gallon capacity point-of-use mini-tank fits right under your sink and provides a practical and effective solution to your hot water needs. Hard-wire the 7-gallon heater to provide the on-demand and reliable water source your home needs.  The ES8 can be mounted vertically (7 gal.) or horizontally (ES8 only, 5.1 gal.).  The glass-lined tank offers great insulation and added durability, while the heater's fast recovery rate eliminates long waits for hot water. An external dial allows you to easily control the…


  • 7-gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it
  • This larger model can be mounted vertically (7 gal. of water supply) or horizontally (5.1 gal. of water supply)- Vertical orientation is installed with the Cold and Hot lines on top of the unit
  • Hard-wire the 7-gallon model to provide the on-demand reliable water source your home needs
  • Can be shelf, wall or floor mounted (bracket included for vertical orientation only); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
  • Heating capacity of 1440 watts and a temperature range of 65-145°F