Top 10 Best Whole House Electric Heater Our Picks 2020

Getting the right one in a market with various options is a time-consuming task. That’s why we examined brands to come up with this list of the Best whole house electric heater. Having undergone thorough testing, we hope that you’re going to find one of them impressive.

We spent around 41 hours just find the Best whole house electric heater for you and based on the complete research we have selected that 3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers is the suitable for you. which comes with amazing features you’ve never heard before. This is a perfect choice currently available in the market at the cheapest price. However, if you don’t want to go for it then, you choose the Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray. Here we also have the top 10 Best whole house electric heater just for you.

Best whole house electric heater

Image
Product Title
Score

Rinkmo Electric Tankless Water Heater 18KW 240V Instant Hot On Demand Residential Electric Water Heater for Bathroom Bathtub rv Whole House Shower Sink Small
9.8

Marey ECO180 18kW 4.4 gpm 220V Self-Modulating Multiple Points Tankless Electric Water Heater for The Whole US Territory, Small, Silver
9.4

Stiebel Eltron 074057 240-Volt 2000-Watts Wall Mounted Electric Fan Heater
9.1

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
8.7

EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology,White
8.4

Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
8.1

Envi High-Efficiency Whole Room 120v Plug-In Electric Panel Wall Heater
7.8

3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers
7.5

Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray
7.1

BLACK + DECKER 36 kW Self-Modulating 6.1 GPM Electric Tankless Water Heater, Multi-Application Hot Water Heater Electric
6.8

Image
Product Title

Rinkmo Electric Tankless Water Heater 18KW 240V Instant Hot On Demand Residential Electric Water Heater for Bathroom Bathtub rv Whole House Shower Sink Small

9.8

Marey ECO180 18kW 4.4 gpm 220V Self-Modulating Multiple Points Tankless Electric Water Heater for The Whole US Territory, Small, Silver

9.4

Stiebel Eltron 074057 240-Volt 2000-Watts Wall Mounted Electric Fan Heater

9.1

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

8.7

EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology,White

8.4

Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

8.1

Envi High-Efficiency Whole Room 120v Plug-In Electric Panel Wall Heater

7.8

3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers

7.5

Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray

7.1

BLACK + DECKER 36 kW Self-Modulating 6.1 GPM Electric Tankless Water Heater, Multi-Application Hot Water Heater Electric

6.8

Rinkmo Electric Tankless Water Heater 18KW 240V Instant Hot On Demand Residential Electric Water Heater for Bathroom Bathtub rv Whole House Shower Sink Small


More Info and Images

Rinkmo Electric Tankless Water Heater 18KW 240V Instant Hot On Demand Residential Electric Water Heater for Bathroom Bathtub rv Whole House Shower Sink Small

$345.99  in stock
1 new from $345.99
1 used from $246.32
Free shipping
Buy Now
Amazon.com
as of October 20, 2020 9:37 am

Features

  • 【365Days & 24H Endless Hot Water】: No need to preheat before using instant tankless water heater. As soon as you turn on the tap, the hot water flows with your desired temperature. No waiting for preheat or standby energy loss, save your time and money.
  • 【10-fold Security Technology Systems More Safe】: This is a Safe water heater, design for whole house using especially those with babies at home. Inner water and electricity lines are designed to run separately so as to avoid rusting or mineral buildup issue that do great harm to water quality and your safe. So you can get steady stream of clean and fresh hot water for daily life.
  • 【Save Money Save Cost】: After using our Rinkmo high efficient water heater, you will find your water Heating Costs Reduce Up to 60%, due to our heater is 99.8% Energy Efficient, you can get hot water within 3s; Create heat without direct contact with metals,No mineral buildup so you don't need to maintenance or fix it and replace the heater coils, No expensive maintenanc cost in the future.
  • 【Stable Water Temp for Whole House 】: Our smart modulating technology and formula to calculate the difference between the desired temp and current temp, adjusts power input based on flow rate and temp setting in real time by our temp sensors and flow sensors. No sudden temp changes.
  • 【Compact Size Save Space】: Rinkmo water heater only like a small suitcase, save your space and giving more to your living area. Easy to install and operation, set temp by turning the button, press the button to switch between Fahrenheit/ Celsius.

Marey ECO180 18kW 4.4 gpm 220V Self-Modulating Multiple Points Tankless Electric Water Heater for The Whole US Territory, Small, Silver


More Info and Images

Marey ECO180 18kW 4.4 gpm 220V Self-Modulating Multiple Points Tankless Electric Water Heater for The Whole US Territory, Small, Silver

$302.77  in stock
11 new from $289.99
3 used from $163.37
Free shipping
Buy Now
Amazon.com
as of October 20, 2020 9:37 am

Features

  • The 220V eco 18Kw unit requires (2) 50 amp breakers and must be installed by a professional plumber or electrician to ensure safety and quality
  • German-designed with high quality stainless steel water channel and heating chamber
  • Smart technology: easy management and simple adjustments on a LCD panel allows you to program the exact desired water temperature thereby optimizing electricity consumption
  • Recommended for 2 simultaneous Showers (2. 0 gpm each) in hot climates (US Southern regions). in colder regions it is suitable to provide hot water to a shower at 2. 0 gpm
  • Tankless water heaters save energy because they use up to 60% less energy than conventional tank water heaters. As a result, they are cost effective and

Stiebel Eltron 074057 240-Volt 2000-Watts Wall Mounted Electric Fan Heater


More Info and Images

Stiebel Eltron 074057 240-Volt 2000-Watts Wall Mounted Electric Fan Heater

$147.20  in stock
7 new from $145.00
4 used from $133.40
Free shipping
Buy Now
Amazon.com
as of October 20, 2020 9:37 am

Features

  • Surface mount design
  • Quality construction
  • Quiet operation
  • Built in thermostat for maximum comfort
  • Reliable performance

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray


More Info and Images

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

$529.78  in stock
8 new from $525.00
8 used from $364.49
Buy Now
Amazon.com
as of October 20, 2020 9:37 am

Features

  • ON/OFF Dial Control with adjustable digital temperature display
  • Self-modulating power control
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Bottom 3/4" NPT water connections
  • On demand, consistent and continuous hot water

EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology,White


More Info and Images

EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology,White

$457.42  in stock
18 new from $399.99
4 used from $370.48
Free shipping
Buy Now
Amazon.com
as of October 20, 2020 9:37 am

Features

  • Savings of up to 50% on water heating costs. Dimensions :17H x 17W x 3.625D inches ;Pipes fittings :3/4 inch NPT
  • Digital temperature control in 1-degree increments allows control of hot water; Activation Flow: 0.3 GPM
  • Copper and stainless components designed for efficiency, durability and easy replacement.
  • Compact size saves valuable storage space, while the stylish and advanced design is pleasing to the eye and Copper and stainless components designed for efficiency, durability and easy replacement.
  • Prior to purchase & installation, please verify that this model is the right size for your hot water needs and electrical requirements. Electrical requirements: 27 kW, 240 volts, (3) 40 required breakers, 112.5 maximum power (AMP), (3) 8 required wire.Amperage Draw:113 A

Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater


More Info and Images

Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

$543.27  in stock
6 new from $479.99
10 used from $313.19
Free shipping
Buy Now
Amazon.com
as of October 20, 2020 9:37 am

Features

  • Sleek and compact design with digital output temperature display
  • ECOSMART tankless water heaters are 99.8-percent energy efficient
  • Manufactured in United States
  • Pipe Fittings:3/4 inch NPT
  • Required Breaker:4 x 40 A

Envi High-Efficiency Whole Room 120v Plug-In Electric Panel Wall Heater


More Info and Images

Envi High-Efficiency Whole Room 120v Plug-In Electric Panel Wall Heater

$159.95  in stock
1 new from $159.95
Buy Now
Amazon.com
as of October 20, 2020 9:37 am

Features

  • SAVE UP TO 50% OR MORE ON HEATING BILL ENERGY COSTS. Turn down your central heat and heat the areas of your home where you want, when you want, for as little as 4 cents per hour. Super-efficient, ultra-safe, wall mounted, low wattage, whole room heater that pays for itself in less than one winter. Supplements or replaces central heating.
  • COOL TO THE TOUCH AT ONLY 90 DEGREES FAHRENHEIT WITH WALL-SENS SAFETY SENSOR TO CUT POWER IF THE HEATER IS REMOVED FROM THE WALL.Can be left running 24/7 for peace of mind to protect children, the elderly and pets. Doesn’t blow dust or allergens around a room, creating a cleaner, healthier environment for allergy sufferers and those with respiratory problems. Doesn’t dry out the air thus reducing winter nose bleeds and dry eye syndrome.
  • EXPERIENCE TOTALLY SILENT (FAN-LESS), GENTLE WARMTH HEATING WITH AN AUTO-DIMMING POWER LIGHT FOR A GREAT NIGHT'S SLEEP! Patented, fan-less design with “Stack Convection Technology” creates an updraft of warm, slow-moving air that gently circulates throughout the entire room.
  • SIMPLE TO INSTALL IN MINUTES (NO DRILL OR CONTRACTOR REQUIRED). Easy to operate and clean with no moving parts so it is 100% maintenance free. Zero lifetime repair costs compared to expensive central heating system. Slim, sleek and stylish space saving design, reduces floor clutter! Only 2 inches thin!
  • LOW POWER DRAW (ONLY 500 WATTS & 4.2 AMPS) SO MULTIPLE HEATERS CAN BE INSTALLED WITHOUT TRIPPING A BREAKER. Great for generators & solar power. Widely used in bathrooms and bedrooms, in offices and businesses, in hotels, and in nursing homes and apartment complexes. 3 year warranty, made in USA and award winning customer service!

3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers


More Info and Images

3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers

$80.15
$71.33  in stock
11 new from $70.54
3 used from $51.24
Free shipping
Buy Now
Amazon.com
as of October 20, 2020 9:37 am

Features

  • HELPS PROTECT HOT WATER HEATERS: Polyphosphates, included in this product, help to inhibit scale build up in hot water heaters (both standard (gas or electric) and tank less styles) and boilers; Helps extend the life of hot water heaters and hot water using appliances, pipes, and downstream plumbing fixtures such as faucets and shower heads
  • MAINTAINS EFFICIENCY: By inhibiting scale build up on heating elements, helps maintain water heater efficiency
  • EASY TO REPLACE: Easy change out of the 3M Aqua-Pure AP431 Replacement Water Cartridge makes system maintenance easier
  • HIGH FLOW RATES: 3/4 Inch NPT inlet/outlet connections for easy installation and high flow rates (rated for up to 10 GPM); System to be installed on cold water line feeding the water heater
  • CORROSION RESISTANCE: 304 stainless steel head can be installed on existing copper pipes in the home; It consists of a corrosion resistant material that provides long service life

Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray


More Info and Images

Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray

$376.00  in stock
9 new from $375.99
3 used from $274.63
Free shipping
Buy Now
Amazon.com
as of October 20, 2020 9:37 am

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

BLACK + DECKER 36 kW Self-Modulating 6.1 GPM Electric Tankless Water Heater, Multi-Application Hot Water Heater Electric


More Info and Images

BLACK + DECKER 36 kW Self-Modulating 6.1 GPM Electric Tankless Water Heater, Multi-Application Hot Water Heater Electric

$619.99  in stock
4 new from $603.90
1 used from $453.75
Free shipping
Buy Now
Amazon.com
as of October 20, 2020 9:37 am

Features

  • On demand hotwater heater for ideal for whole house
  • Electric Water Heater with no hot water tank
  • WARRANTY: 7-yr leakage free, 5-yr heat exchanger, 2-yr parts
  • Save up to 50% on your water heating costs

We hope you get the perfect whole house electric heater from the above list. Finally, if you’re looking for an incredible selection of features, then Stiebel Eltron 074057 240-Volt 2000-Watts Wall Mounted Electric Fan Heater are probably the Best whole house electric heater on the market today.