Best Water Heaters of 2021
A bath with hot water generated by a smart water heater is an everyday chore during the winters. Also, the water heaters ratings suggest that the demand has considerably increased in the past few years, given the increase in stress and the hot water bath being the ultimate mood buster.
A lot of water heater reviews have mentioned energy saving as well as efficiency. Given below are the best from the lot available in the market.
List of the Best Water Heaters of 2021
Last update on 2020-10-22 / Source: Amazon Affiliates / Images from Amazon Product Advertising API
10. Rheem 240V RTEX-18
The Rheem 240V is a very innovative model with external digital thermostatic control with LED display which displays the temperature, with a +/- 1-degree accuracy. The heater is versatile, modulating itself according to the power in the house to meet the hot water demand. The heater consists of two immersion copper elements which heat the water. The electric field is serviceable and durable enough for large quantities of water. The flow rate of the water from the heater is at 4.4 GPM, which is a very reasonable speed. The best advantage of the heater is when it gets installed, as the heater has NPT water connections in the ¾ part of the heater’s bottom.
What We Like
- The temperature accuracy is high
- Flow rate of the water is 4.4 GPM
- Electric field is repairable
Our Verdict
The Rheem 240V electric heater has an intelligent thermostatic control which keeps it going on smoothly.
9. Bosch Tronic ES4
One of the best water heater brands, Bosch has been in the topwater heater reviews for its popular model, ES4. This heater model is compact in design and holds 4 gallons of water in its reserve. The thermal efficiency of the Bosch Tronic ES4 is at 98 percent and has high resistance to heat. The premium glass-lined surface ensures that the heater has a long life and does not crack under pressure. The heaters have 36-37 inches cords which plug into 120V outlet so that one can easily have an independent installation and be online with a significant hot water source. There is no need to wait for the heater to boil the water, as the heater gives hot water at the touch of one button. The small design of the home water heater makes it easier for people to install it anywhere like the shelf or over the tap.
What We Like
- The design is compact
- The heater has a premium glass-lined surface
- Independent installation is there
Our Verdict
The Bosch electricals are highly reputed, and they have high resistance to heat, which is suitable for people in fire-prone areas.
8. EcoSmart ECO 11
The EcoSmart water heaters electric model is eco-friendly and saves up to 60 percent of the water heating cost. The Eco smart heaters are tankless and have Eco smart sensors which do all the detection and display of the water temperature. Therefore, it is easy for people to get water anytime. The famed and patented self-modulating technology of Eco smart has made it even more famous in the water heaters line. The Eco smart heaters are the most efficient water heaters of all the time, with a 99.8 percent energy efficiency and a uniform energy factor of 0.98. The water heater is on the list of best Amazon choices available online. For installation, the water heater requires a minimum of 125 amp electrical panel for installation with 60 amp.
What We Like
- The heater saves about 60 percent of the electricity bill
- Tankless heater, easy to maintain
- The heater has a 99.8 percent energy efficiency
Our Verdict
This geyser would be an intelligent choice as it requires less maintenance in addition to all the savings it makes on the bill.
7. Takagi T-KJr2 Indoor Tankless Water Heater
With a small and compact design, the T-KJr 2 model is an ideal tankless water heater for your home needs. It is lightweight and easy to handle with no hassles at all. With a water flow rate of 6.6 GPM, it provides maximum convenience and saves you time as well. The intelligent thermostat ensures optimum temperature. The water heater also promises to be a highly cost efficient and energy efficient device with an energy factor of 0.81 – 0.83.
What We Like
- Lightweight and Compact
- Easy installation
- Good flow rate
- Optimum heating
- Energy Efficient
Our Verdict
An economical product and elegant compact design, the Takagi T-KJr 2 Indoor Tankless Water Heater is one of the best water heaters you can get.
6. Camplux propane water heater
One of the best Amazon choices, the Camplux propane water heater can heat up to 5L of water at one go, at a flow rate of 1.32 GPM. The lowest water pressure at which this heater can work is 3 GPM, and it is also compatible with 1.2 GPM Camplux water pump. The range of optimum temperature raise lies between 114.8-degree Fahrenheit and 46.4 Fahrenheit. The heater is compact and has a foldable hand on the top, which makes it easier for people to set up the heater outdoors. The heater is a flame failure device, with features such as anti-freezing protection and oxygen depletion at times when it needs to go on shut-off protection with full safety. The energy-saving features combine with the overall efficiency makes it the best choice for the customers who want their hot water anytime.
What We Like
- Flame failure would not destroy the heater
- The heater has anti-freezing protection
- The heater can heat 5litres of water at one time
Our Verdict
The propane water heater is an excellent choice among efficient geysers, which has a good range of temperature modulation.
5. Stiebel Eltron Tempra 24 plus
The Stiebel Eltron Tempra is an elegant looking machine which is tankless and has a continuous supply of water anytime. The sleek device has an overall extra stylish design which saves the space and leaves no need for any venting. The small electric water heater has an electronic switch which, when activated, keeps the heater operation at a very silent mode. The heater has a copper sheathed heating element underneath the copper cylinder, which is the main reason the water gets heated up quickly. Even at high demand, the hot water gets running, and with an energy factor of 0.99, the heater won’t lose much energy. One can also preset the temperature so that the water comes out in the desired temperature. The advanced flow control controls the heat so that the water is always hot and warm for immediate use. The self-modulating technology controls the heater’s heat process and contributes to the energy-saving plan of the geyser
What We Like
- Elegant looking fountain
- Self-modulating
- The base is of copper
Our Verdict
The strong point about the geyser is that its base is of copper and it heats water better than any other heaters mentioned.
4. Cocoarm Mini Home Water Heater
One of the most top-rated water heaters, the Cocoarm mini heaters can be used outdoors, bathrooms, public restrooms, and kitchen for the various hot water use. The heater is easy to operate as it allows free adjustment of water temperature by the water stream. The heater follows all the safety protocols, and it saves both electricity and water, without causing pollution or exhaust gas. The water heater has an exquisite design with a stainless steel outer covering which makes it durable and fashionable. Although it is small in size, it does an excellent job of heating water at a faster speed within its hard steel exterior. The home water heater has a small LCD on the front, which shows the temperature and the minor functions on the screen. The 110 V heater is available in two colors, black and red, which goes along with any background paint.
What We Like
- The heater is available in two colors
- The outer covering is of stainless steel
- The LCD does an excellent job of telling the temperature and the pressure level
Our Verdict
The elegant looking geyser would surely win the hearts of many households; there is no reason why it would get rejected.
3. WaiWela Mini heater
Another famous brand of home water heater, the WaiWela water heaters can be easily installed, either on the floor or on the wall mount. The heater gets directly connected at the point of use, with some easy few steps, it also has an adjustable thermostat which also has an overheat protection. The heater also has a glass-lined tank, which makes it easy for water to not collect and even for wiping it clean. The glassy exterior gives it a good look, and it is easy to maintain. The 2.5-gallon tank also has attached power cord which makes it easier to pin it on the switchboard. The WaiWela water heaters have a six-year warranty and two years support for the heater’s parts. The brand name is from the Hawaiian language, and the word means hot water.
What We Like
- The water tank is glass lined
- The heater has a six-year warranty
- The heater is easy to mount
Our Verdict
The WaiWela mini heater is a boon to those who are looking for a small heater to give them hot water and at the same time save a lot of energy.
2. Rinnai Sensei SE water heater
The Rinnai Sensei water heater series are the best gas water heaters, which use natural gas to heat water. The water heater gets installed only indoors, and it has to get safely installed away from all the possibilities of fire leaks. The RU130ip, RU130in, RU160ip, RU160in, RU180ip, RU180in, RU199ip, and RU199in are all having a flow rate of 11 GPM. The best feature about these heaters is that they use circ-logic technology to set the water recirculation patterns, which guarantees the availability of hot water at any time. The residential factory warranty covers 120 months for the heat exchanger, 12 months for the labor, and 60 months for the parts. The Rinnai manufactured heaters are all vertically integrated and have all the components in the same orientation.
What We Like
- The water heater uses Natural Gas
- The warranty covers 120 months for the heat-exchanger
- Vertically integrated heater
Our Verdict
The Rinnai series is an excellent investment for indoor geyser choices, and an active warranty well protects them.
1. Waste King AH-1300-C
The AH-1300-C small water heater series by the Waste King is the best brand for instant water heaters. The waste king heater has a stainless steel tank exterior which makes it durable and a long-lasting heater. The heater can heat 60 cups of water within an hour, effectively done with the immediate push of the button. The temperature adjustment gets done with the natural movement of the fingertip. The heater protects itself from overheating with the use of the self-resetting thermal fuse. There are two variants of the heater based on the open faucets, which is hot only and the hot-cold combination.
What We Like
- The heater can heat 60 cups of water in an hour
- The temperature adjustment can get made at a flick of the fingertip
- The hot only and hot-cold combination sold separately
Our Verdict
The electric water heater reviews on many platforms and websites have reviewed the Waste King to be highly efficient water heaters.
