If you are looking for the best hot water heaters, you better catch up with the available options first. The market houses so many of them and you get to choose whichever option you want. Some heaters are tank-less and then you have others with mini-tank, which can fit right under your sink. Some of the major brands you can trust for their water heaters are Rheems, Rinnai, Eemax, Stiebel Eltron and so much more.
Make sure to pre-set a budget as that helps you to choose the right water heater for your use. Furthermore, the heater for residential purposes will differ from the one under the commercial head. So, be sure to get that point straight as well, whenever you are looking for the ultimate water heater in here. Listed below are the best hot water heaters options to choose from.
- 1 Comparison of Table
- 2 Best Hot Water Heaters
- 3 #Tankless Electric ECO TOUCH Hot Water Heater
- 4 #Rinnai RLX Series HE Tankless Hot Water Heater
- 5 #Eemax EEM24027 Electric Tankless Water Heater
- 6 #Stiebel Eltron Tankless Hot Heater
- 7 #Takagi T-H3J-DV-N Condensing Natural Gas Indoor Tankless Water Heater
- 8 #Rheem 240V 3 Heating Chambers RTEX-24 Tankless Water Heater
- 9 #Ariston Andris 8 Gallon 120-Volt Mini-Tank Electric Water Heater
- 10 #Rheem MR50245 Marathon Tall Electric Water Heater
- 11 #Camplux ME25 Mini Tank Electric Water Heater
- 12 #Bosch Electric Mini-Tank Water Heater
- 13 Buying guide: Best Hot Water Heaters
- 14 Conclusion
Comparison of Table
Best Hot Water Heaters
Below are the Best Hot Water Heaters to buy in 2020.
#Tankless Electric ECO TOUCH Hot Water Heater
Taking a bath in lukewarm water after a tiring day at work will surely rejuvenate your body and relieve you of the tensed muscles. It is true that you need a proper hot water tank for the same purpose and you can get it from Tankless Water Heater Electric ECO TOUCH 9KW 240V.
You will receive instant and even sufficient hot water. It comes with a 9kW heating system, where the heater gets to supply endless hot water of around 116 degrees. There is no waiting time for preheating the tank-less heater or even do not have to think about the temperature fluctuations.
It is that perfect companion for sinks and will bring in that ultimate relaxing and comforting feel to it. The product further comes with smart self-modulation. This water heater can adjust power input, depending on the temperature setting and flow rate, designed in real-time.
With the reduction in water flow, the power input decreases and can help you get the comfortable and ideal temperature in place of just scalding hot water. You will further receive optimal energy efficiency by around 99.8%, to save the electricity charge every year.
This hot water heater comes with digital display and touch control panel.
- Instant hot water service
- Smart self-modulation service
- Micro-computer control
- Patent heating technology
- Comes with various protection devices
- 116℉or higher temp
- Digital display
- Approval by ETL
- Easy to install.
- Stylish to look at.
- It has a small capacity of holding water at one time.
#Rinnai RLX Series HE Tankless Hot Water Heater
For that ultimate indoor heater, you have the Rinnai RLX Series HE+ Tankless Hot Water Heater by your side. For your entire home, now you get the opportunity to enjoy endless hot water. You have efficient rankles hot water heater running on natural gas.
This hot water heater comes with indoor installation services. This product is known to have around 9.4 GPM hot water flowing rate, which is subject to vary based on the groundwater temperature.
You have the Circ-Logic technology, which will help you to set some of the recirculation patterns, which can always coincide with the typical based habits right now. You will receive hot water whenever you feel the time is right. Just make sure to learn more about the range and then pre-set your budget accordingly.
It comes with a residential factory warranty of 120 months on the heat exchanger, 12 months on labor and 60 months on the parts. The tank-less hot water heater comes with ThermaCirc360 technology, which helps in recirculating hot water through pipes just to help you get it on time without wasting much.
- ThermaCirc360 technology
- Compact design to save valuable space
- Endless hot water
- 9.4 GPM flow rate
- Perfect for indoor installation only
- Warranty on the heat exchanger for 120 months, 12 months on labor and 60 months on parts
- Perfect fit for every bathroom size.
- Great customer service.
- Cannot install it outdoor.
#Eemax EEM24027 Electric Tankless Water Heater
Eemax is all set to present its wide-ranging customers with the best EEM24027 Electric Tankless Water Heater, designed to last long. Available in blue color, this tank-less water heater will present a continuous supply of promising hot water.
It will heat up the water that you need only and whenever you need it. You will always receive consistent, instant and even endless hot water. This heater is known to use the self-modulating and advanced technology available.
It means that the unit will get the chance to adjust the energy level that it might need to be input, depending on the amount of hot water you need. There are always compact sizes available just because you want to store it within your available space.
However, it is always recommended to verify the size of the machine and measurement of your place, before making the right call. This product is perfect for not just residential use but for covering commercial water heating needs as well. With 27 kW unit and 240 volts of power, it can power up 1 shower and 2 sinks at the same time.
- Endless hot water
- Perfect for residential or commercial needs
- 27kW unit with 240 volt
- Advanced and self-modulating technology
- Compact sizes for every perfect fit
- 5 years warranty for leaks and 1 year for parts
- Great quality.
- Energy efficiency.
- Great customer service.
- No cons.
#Stiebel Eltron Tankless Hot Heater
A perfect tank-less heater from Stiebel Eltron, this Tempra 36 Plus runs on electricity and comes with on-demand hot water. It comes in 12 different styles, making it easier to choose one as per your requirements. You will receive an on-demand and unlimited supply of hot water, which is why more and more people are getting this water heater for their daily use.
The sleek design is perfect for saving some space and there is no need to work on vents as well. Then you have the electronic switch, which gets activated for the virtually silent based operation here. It has a single phase of 60 Hz with a voltage of 208 V and even wattage of around 27 kW.
You have the copper sheathed based heating element, which is perfectly housed in the copper cylinder. This product comes with 7 years of leakage warranty and 3 years of parts complete warranty. Using this tank-less water heater will definitely help you save energy thanks to 0.99 EF and without any standby losses and with the self-modulating technology.
- Self-modulating technology
- Digital display
- Pre-set temperature buttons
- Water flow and savings monitor
- Advanced form of flow control
- Total silent operation
- Constant energy saving
- 7 years of leakage warranty
- 3 years of parts warranty
- Great design.
- Easy to use.
- It fails to work with 200 amps.
#Takagi T-H3J-DV-N Condensing Natural Gas Indoor Tankless Water Heater
With a higher capacity of 6.6 gallons per minute, this Takagi T-H3J-DV-N High-Efficiency Natural Gas Indoor Tankless Hot Water Heater is one that most people aim towards. Now, you get the chance to enjoy endless hot water whenever you want. Even the compact and space-saving size of the product makes it a vital choice among masses.
Another interesting point to consider will be the energy conservation service, which is perfect for your daily use. There are computerized features available, which ensure safety as the number one choice. There is no pilot light that you need to focus on as well.
Furthermore, this machine is likely to satisfy the much-awaited 2012 SCAQMD Rule 1146.2, which is designed to talk about the ultra-low based NOx emissions. So, this tankless water heater is perfect for taking care of the environment as well.
It comes with 160,000 BTU gas input, designed to produce enough hot water in two bathrooms during summer months and 1.5 baths during winter.
- Ultra-low based NOx emissions
- On-demand hot water always
- Energy conservations
- Safety features maintained in a computerized manner
- No pilot light
- 160,000 BTU gas input
- 5 years limited warranty on parts and 1 year on labor
- Space Saver.
- Compact design.
- Takes some time extra to warm up water.
#Rheem 240V 3 Heating Chambers RTEX-24 Tankless Water Heater
Rheem is known to provide some of the best tankless water heaters to the world out, and right now, you can try out 240V 3 Heating Chambers RTEX-24 Residential Tankless Water Heater. This product is known to come handy with external digital thermostatic control.
This tankless water heater comes with an LED display with ultimate accuracy. When you are looking for self-modulation machines, this one is the right for you. Now you can adjust power as per your choice for meeting the demand for hot water.
This water heater comes with a durable version of copper immersion three heating elements. If you need it, you can get field service as well. The installation procedure is pretty simple with the bottom ¾ inch associated with the NPT water connections.
The items are well-threaded for that easy replacement. The flow rate will be around 5.9 GPM. The copper immersion element comes with brass top, which increases the longer working life and well-threaded for that easy replacement.
- Flow Rate: up to 5.9 GPM
- On-demand hot water
- Temperature control with advanced self-modulation
- 99.8% energy efficiency
- Robust copper immersion-based heating
- Digital display of temperature
- Simple installation with NPT water connections
- 1 year limited warranty
- Easy to install.
- Takes less time to produce hot water.
- No cons.
#Ariston Andris 8 Gallon 120-Volt Mini-Tank Electric Water Heater
Ariston is yet another name whenever y oar thinking about manufacturers of the mini-tank water heater. You are cordially invited to try out the Andris 8 Gallon 6 Year 120-Volt Point of Use Mini-Tank Electric Water Heater from the same house, and won’t regret making this choice.
It is primarily available in 3 sizes and the prices will vary based on the size you have chosen, with the minimum being 2.5 gallons and 8 gallons as the maximum one. It is a compact designed hot water tank, which will provide you with hot water whenever you ask for it.
It has 6 years of limited warranty on tank and 2 years limited warranty on parts. The products can be floor or wall-mounted, with rubber feet and wall brackets included in the package. It comes with a DIY installation with a 2000 watt heating element.
It helps in drawing 12 Amps and the temperature ranges between 65 Degree F and 161 degrees F. Thanks to its flexible mini size, this water heater can easily fit anywhere. The electrical connection will be hard-wired and it needs to be hardwired to the electrical system available.
- Compact mini design to fit any house
- DIY installation
- 2000-Watt heating
- 65°F-161°F temperature range
- Hard wired with a circuit breaker size of 20A
- TitanShield to protect the inner part
- Safe foam insulation for increasing efficiency
- No need to deal with recirculation line
- 6-year limited warranty on tank
- 2-year limited warranty on parts
- Sleek design.
- Easy to install.
- Great quality.
- Relief valve not installed but available.
#Rheem MR50245 Marathon Tall Electric Water Heater
Among promising options from Rheem in terms of water heater will be MR50245 Marathon Tall Electric Water Heater, 50-Gallon. The size is perfect for covering a bigger space. The efficiency level will be ranging between 0.90 and 0.94 EF.
The recovery rate is going to be 20 Gallon GPH with a 90-degree rise. It is one thermally fused upper element, known to offer that right protection against any form of dry-firing.
You will receive a brass drain full-flow valve, which is a major part of this particular hot water tank from Rheem. There are standard replacement parts available too, which means you don’t have to invest a lot of money on these items at all.
It is a non-metallic electrical water heater. So, the item is not just durable but also light in weight. It will warranty to not leak for the rest of its working life. The blow-molded polybutene tank is really resistant to corrosion and rust as metal is not the main material for its manufacturing.
It comprises of multiple filament layers for unmatched strength. Even the Polyurethane insulation is here for reducing energy consumption.
- Polyurethane insulation for lower energy consumption
- Polybutene tank, blow-molded
- Impervious to corrosion and rust
- Multiple filament layers
- Recessed drain valve
- Polysulfone dip tube
- Molded polyethylene outer shell
- Lifetime warranty on tank
- 6 years limited warranty on parts
- Excellent quality.
- Less energy consumption.
- No cons.
#Camplux ME25 Mini Tank Electric Water Heater
CAMPLUX ENJOY OUTDOOR LIFE is here to present you guys with ME25 Mini Tank Electric Water Heater with a capacity of 2.5 gallons. There are other two sizes available, one with 4 gallons and another one with 6 gallons.
The main aim of this 2.5 gallon one to use is to fit it right under the sink, so that you get the opportunity to procure hot water whenever you need to. This is one electric water heater, which is really easy to maintain. It comprises of the glass-lined tank, for that longer form of service life.
Moreover, you can’t ignore its thermostat control, which will allow the water temperature to adjust properly. Then you have high limit device, which will protect the machine from overheating. You can plug it in to a 120-volt outlet for enjoying independent installation.
You can install it in-line with a larger hot water source. The product can be mounted on floor, wall or shelf, thanks to its flexible size and smaller compact design. You can install the heater directly at the sink for getting water heated directly.
- 2.5-gallon tank size
- Easy to maintain with glass-lined tank
- Thermostat control
- High limit device
- Well plus into 120-volt outlet
- 150 PSI, CSA listed pressure relief and temperature valve
- Available in other 2 sizes, 4 and 6 gallons
- 1 year limited warranty on water heater unit
- 90 days warranty on accessories
- Perfect fit under sink.
- Easy to install.
- Great design and sleek look.
- No cons.
#Bosch Electric Mini-Tank Water Heater
If you don’t want to wait much for water to turn boiling in then Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon (ES8) is the one option to consider. It can be mounted on the wall, shelf or floor, whichever matches your requirements the most.
Other than the 7 gallons one, you can try out the least expensive and smaller size of 4 gallons as well. This is one convenient mini-tank, which can fit right under your sink. So, whenever you need hot water, you can get it.
You can mount the item vertically for 7 gallons of water and horizontally for 5.1 gallons of water supply. There is vertical orientation with hot and cold lines right on top of the said unit.
It comes with a reliable water source. So, it is hard-wired for providing an on-demand water source for office or home needs. It has a heating capacity of around 1440 W and the temperature will be ranging from 65 degrees F to 145 degrees F.
There will be 150 psi as operating pressure and with water fittings of ¾ inch of male NPT. You will need Amp 12A or 120 Volts as electrical requirements for this machine to work.
- Fits right under your sink
- Can be installed vertically or horizontally
- 1440 w heating capacity
- 98% Thermal efficiency
- 6 years warranty on units and 2 years on parts
- Great for small spaces.
- Amazing look.
- Easy hot water flow.
- No cons.
Buying guide: Best Hot Water Heaters
It is recommended to analyze the below-mentioned parameters before selecting the best hot water heaters of your choice:
Tank size: The tank’s size will matter a lot while choosing a water heater. There are various options under gallons, starting from 2.5 and moving towards 50 gallons of water, as well. If you have bigger household, then the one with maximum water gallons will be the right choice. Yes, the price will differ as well.
Power consumption: You want to purchase a water heater which won’t charge you a lot at the end of every month as electricity bill. So, while purchasing a heater, be sure to check its power consumption. If it performs strongly on lower power, that’s the right choice to make.
Self-modulating capacity: Waiting a long time for hot water is not the ideal situation while checking in with a water heater. So, look for the ones with Self-modulating capacity. This advanced technology will make the machine work super-fast, and provide you with hot water right on demand.
Price matters a lot: Not everyone is comfortable in spending a hefty amount for purchasing a water heater. So, remember to check the price of multiple products before taking the final call. Depending on the product and its features, the prices will vary. The one with lower gallon count will cost less. Keep that point too.
Protective devices: Be sure to head for a water heater with extra protective shields for maintaining safety. Some offer multiple filament layers for extra protection. You can further get a blow-molded polybutene tank to make the item free from rust and corrosion, just like Rheem MR50245 Marathon Tall Electric Water Heater. So, don’t forget to check this option as well, before taking a final call.
Warranty period: Always check-in for the water heater with a great warranty period. The warranty for the main unit will differ from the parts. So, always check in with the best manufacturing unit, offering a minimum of a 1-year warranty on the main unit and some warranty period for the parts .some companies can offer 6 years of warranty on the main unit like the Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon.
Whether you are looking for the basic water heater from RHEEM or want the exclusive one from Rinnai, the final choice is yours. It is highly recommended to go through all the available options and then take the final call. It will take some time to address the best one, but all your research time and invested money are worth it. If you are looking for Best Hot Water Heaters of the best quality, you can pick one from either of the above-mentioned products without a shred of doubt.