Are you looking for a dependable water that can save you lots of dollars on energy cost? No worries, here top 5 best electric tankless water heater for whole house. It is the best for family usage.
Whole house tankless water heaters will supply your whole house hot water on demand; and can help in reducing energy consumption for your home.
They’re built well to perform high efficiency and are built to serve a wide range of applications.
The best electric tankless water heater for whole house is built to provide a whole family continuous hot water whenever they needed it.
All you’re required to do is to turn on the hot water valve on, and the tankless water heater does the rest for you.
Now you may ask…what are the best electric tankless water heater for whole house? Below are the list of top rated and best electric tankless water heater for rv we found on Amazon having durability, efficiency, and cost in mind.
Whole House Electric Tankless Water Heater Chart
| Product Image | Product Name/Brand | Volts/KW | Product Price |
|---|---|---|---|
 |
EcoSmart ECO 27 Electric Tankless Water Heater | 240v/24kw | Get it on Amazon |
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Stiebel Eltron Tankless Water Heater – Tempra 29 Plus | 240v/28.8kw | Get it on Amazon |
 |
Rheem RTEX-27 Residential Tankless Water Heater 3 Heating Chambers | 240v/27kw | Get it on Amazon |
 |
Eemax EEM24036 Electric Tankless Water Heater | 240v/36kw | Get it on Amazon |
 |
Camplux Tankless TE27 Whole House Electric Tankless Water Heater | 240/27kw | Get it on Amazon |
We’ve also reviewed 110 volt electric tankless water heater, electric tankless water heater for rv and electric tankless water heater for a cold climate.
Top 5 Best Electric Tankless Water Heater For Whole House
1. Ecosmart Eco 27: Best Electric Tankless water Heater For Whole House
The EcoSmart Eco 27 electric tankless water heater is a whole house electric tankless water heater made for weather where temperature reaches as low as 37degrees. It has the ability of heating up to 3 gallons of water per minute at this temperature level.
The unit will help you save cost on energy as it only turns on whenever you need hot water and uses the required energy amount because of its self-modulating technology. It will also save you valuable space.
Further, the Ecosmart whole house electric tankless water heater is the top rated and overall best of whole house electric tankless water heater reviewed today. No wonder . . . the whole house water had been bought by over 2,556 customers on Amazon globally as at the time of writing this review.
But before you buy, make sure you verify that the Ecosmart ECO 27 electric water heater model is right for you and your household hot water needs. And you also have electrical requirements. If not you would be required to upgrade your household wiring.
The EcoSmart Eco 27 model electrical requirements are as follows: 24kilowatt, 240volts, 3x40Amp double pole breakers, 112.5Amp maximum power, 3×8 wire, 113A Amperage draw, and 200Amps electric panel.
This simply means that each internal unit requires a separate dedicated 240volt 40amp circuit, equally a total of three separate 8 wire 240volt circuit. It is three separate 9kw heater internally operating in series and in sequence based on demand.
ECO 27 electric tankless water heater comes with a lifetime warranty. But you’ll qualify for this only when you called a professional plumber to help you install it. Meaning If you install the water heater yourself, you will not get lifetime warranty coverage.
2. Stiebel Eltron Tempra 29 plus: Best Electric Tankless Water Heater For Whole House
Stiebel Eltron is one of the trusted companies when it comes to producing heater, be it space heater or water heater. They’ve been in the market for over 90 years.
As our second runner up, Stiebel Eltron tempra 29 whole house electric tankless water heater performs to the highest standards for comfort and reliability that you may needs.
The unit features digital displays – for accurate temperature delivering and maximum energy efficiency, preset temperature buttons – for temperature memory settings, savings and water flow monitors, advanced flow control – that automatically maintains hot water temperature for constant comfort, intelligent self-modulating technology that ensure continuous energy saving, etc.
It is small and compact in design and no vent is required for the installation.
One of the customers that bought this particular Stiebel Eltron electric tankless water heater model says it has lasted him for 10 years. So it is worth every of your penny because of its quality and reliability.
As the time of writing this review, there are over 426 customers review on amazon with the majority saying positively about this water heater – you can read them here.
The brand is easier to install than Ecosmart model. These are the electrical requirements for installation: 28.8kw, 240V, 120A Amperage draw, 3x40A double pole breaker, 3×8/2AWG, and 200A household electric service.
3. Rheem Rtex-27: Best Electric Tankless Water Heater For Whole House
Looking for the best 50 gallon whole house electric tankless water heater? Look no further, Rheem Rtex-27 3 heating chambers electric water heater is the best option for you.
It comes with a flow rate of up to 6.6GPM and energy efficient of 99.8%. Therefore, it does not require much time to deliver hot water to the whole house.
The Rheem Rtex-27 whole house electric tankless water heater provides you with 50 gallon capacity, which is moderately enough to serve a family.
It offers 0.5GPM to standard tank sink, 1-1.5GPM to the washing machine, 1-2GPM to the kitchen sink, 1-2GPM to the dishwasher, 1.5GPM to water saver shower head, 2.0GPM to a standard showerhead, 4GPM to the bathtub, and overall up to 6.6GPM to the entire home.
With the advanced self-modulation technology, you can adjust its power according to your demand. It is a 240 voltage, 27 kilowatt capacity device.
With an easy and simple installation, be sure to get continuous hot water and on demand for single point-of-use or multiple applications. You will need 3x40A double pole breaker and 8/3 wire for the installation.
4. Eemax EEM24036: Best Electric Tankless Water Heater For Whole House
Eemax EEm24036 electric tankless heater offers you endless hot water for your to your entire household. it is a 240 volts, 36 kilowatt unit.
The unit has capacity to serve a large single family home with the need to run hot water simultaneously from multiple application, even in colder climates. It can run four showers and two sinks simultaneously without running out hot water.
Furthermore, you required 4 x 40A double pole breakers to install it and 4 x 8 wire. It pulls around 150amps. Meaning that if you don’t have at least a 200amps household electrical services then don’t forge ahead to buy until you upgrade your home wiring or you go for smaller units.
The best feature of the Eemax whole house electric water heater that I love so much is the fact that it reduces electrical bills drastically and it is silent during operation. It could provide 7 gallon per minute with a maximum flow rate of 8GPM.
5. Camplux Water Heater: Best Electric Tankless Water Heater For Whole House
One of the outstanding benefits of using Camplux whole house electric tankless water heater is the convenience it offers to you. Because it comes with a remote smart controller.
Meaning that you can operate it from anywhere you’re. Needless of you standing up all the time to on or off it no matter where you had installed the unit.
The unit features; smart control and convertible temperature display, 3/4″ NPT standard pipe fittings, intelligent self-modulation, water and electricity separated, sensitive leakage protection, over voltage protection, over temperature protection, dry combustion protection.
Camplux electric tankless water heater is a 240 volts, 27 kilowatt unit. And you will required 3 x 50A double pole breaker to install it in your home.
Conclusion
Electric tankless water heaters are good very good if you actually want to cut down cost on electrical bills and still get hot water anytime any day it is required.
With electric tankless water heater, you get hot water when needed and instantly. No need to boil and store, reheat it when you’re in need of hot water.
So for your entire household, above listed water heaters are the top rated and best electric tankless water heater for whole house you can trust to last for you at least for a decade.
However, if you leave in the areas where there is frequently power outage, you may consider buying a propane or natural gas tankless water heater as you may be stranded when there is no electricity to power your water heater.