Best Under Sink Tankless Water Heater

A reliable tankless water heater can be the ultimate addition to your home. Tankless water heaters heat the water as it passes through the appliance thereby delivering faster results. A great water heater will meet your hot water needs quickly and consistently. The best of these tankless water heaters have a compact design that is ideal for installation under the sink.

Energy efficiency is definitely one of the top considerations to make when shopping for a water heater. A water heater that conserves energy will save you a lot of money in the long run. Safety is another crucial feature that every user should consider – always go for water heaters that have safety features.

A good appliance ought to be durable so that you can enjoy its performance for long periods of time. The durability of water heaters largely depends on the materials used to make the appliance and the quality of craftsmanship that goes into making the unit. Finally, a good water heater should be easy to maintain, both technically and financially. We considered the crucial features for a great water heater and came up with a list of eight of the best under sink hot water heaters. Take a look.

1. ECOTOUCH Tankless Electric Water Heater

This highly reliable water heater has a remote control digital display and exhibits impressive energy efficiency. Its 5.5KW heating system ensures that you get hot water consistently and in an instant. This electric water heater heats water to 116 degrees Fahrenheit or higher and maintains the desired temperatures for as long as you want. It is the ideal companion for under the sink.

The power usage of this water heater is just amazing. This ECOTOUCH water heater adjusts power input in real time depending on water flow rate and temperature setting. This means that you will still get the desired temperatures even with a reduced water flow rate. Energy efficiency is a priority for this water heater – it is optimized for 98% energy efficiency which leads to conservation of considerable electric charge.

The digital display equipped on this water heater, combined with a touch control panel, work together to ensure that temperature setting is convenient and seamless. The control panel is straightforward. This is a smart appliance that does everything else once you set the temp and turn on the tap.

For extra convenience, this water heater comes with Remote Control so that you can operate it from under the sink without having to put any effort. Every part of this water heater is thoroughly tested for safety. The unit also has multiple safety devices. Also, the water lines and electricity lines run separately thereby enhancing safety. Every piece is made to the highest standard to deliver seamless operation for years to come. This water heater has a compact design making it ideal for under the sink and various other places.

Pros

• Powerful for fast and consistent water heating.

• Power efficient

• Smart self-adjustment

• Compact design

• Convenient to use

• Easy to operate

Cons

• Not suitable for heavy commercial use

2. Eemax EEM24027 Electric Tankless Hot Water Heater

This water heater is optimized to supply you with hot water continuously for as long as you need. This appliance will heat the water to your desired temperature and do it instantly. It delivers consistent temperatures. This water heater uses superior self-modulating technology to adjust energy input based on the amount of hot water you need. This also leads to energy efficiency.

The heater has a compact design which is space saving and makes the heater suitable for installation under the sink. The Eemax water heater will take care of your hot water needs, provide convenience and at the same time save you money due to its optimized energy efficiency. It can be used to meet residential or commercial needs.

This is a 240V, 27KW unit that is capable of producing enough power for more than one sink simultaneously. It is the ideal water heater for both cold and warm climates. It has multiple safety features to prevent any incidents or accidents. The water heater is made of sturdy materials, and every piece is of premium quality for durability. It is made of Stainless steel for reliability. It has a digital display so that you can set your desired temperatures precisely and conveniently.

Pros

• Energy efficient

• Heats water fast

• Compact design

• Durable appliance

• Reliable

Cons

• Requires periodic maintenance

3. Stiebel Eltron 232886 Tankless Electric Water Heater

Reinvent your water heating experience with the super-reliable performance of this electric water heater. The water heater has a simple and compact design that is easy to install in multiple places including under the sink. It operates silently and requires no venting.

This water heater ensures that you never run out of hot water. The heater remains powered only when you need heated water. The heater also does not have standby power losses which makes it even more power efficient. The constant energy savings will save you lots of money over the years.

The intelligent self-modulating technology equipped in this water heater ensures that a minimal amount of energy is used in real time without compromising on temperatures or speed of delivery. It is 99% energy efficient. The water heater delivers high-performance standards ensuring that you experience total comfort and reliability. The heater maintains the desired temperatures – It utilizes advanced microprocessor technology to ensure that water temperatures do not vary from the set point. Its temperature display is straightforward. You can easily set your desired temperatures and adjusting can be done any time.

Pros

• Highly reliable

• Compact design

• Easy to install

• Operates quietly

• Requires no venting

• Energy saving

• durable

Cons

• Not suitable for heavy commercial use

4. Stiebel Eltron Tankless Hot Water Heater (36 Plus Tempra)

This water heater will deliver hot water consistently whenever you need it. It has a sleek design that is space saving making it the best water heater for installing under the sink. It requires no venting. It uses an electronic switch that makes it operate silently.

The water heater is equipped with a copper-sheathed heating element that delivers consistent and instant results. The heating element is housed in a copper cylinder that provides safety and durability. This water heater has a digital display that allows you to set the desired temperature precisely and to maximize energy efficiency.

It avails pre-set temperature buttons that can be used for temperature memory settings – this means that you don’t have to re-set the temperatures every time you need hot water. It has water flow monitors, and its advanced flow control helps in delivering constant comfort. Smart self-modulating technology delivers energy efficiency by enabling continuous energy savings. It is a 36kW at 240V.

Pros

• Sleek, space-saving design

• Easy to install

• No venting required

• Instant results

• Temperature memory settings

• Energy efficient

• Delivers constant temperatures

Cons

• Requires periodic maintenance

5. ATMOR tankless electric water heater

This innovative water heater combines style and technology to deliver highly reliable water heating experience. Numerous households have redefined their water heating with this classy appliance. This water heater will heat your water in an instant ensuring no long waits or hot water interruptions.

The level of power efficiency exhibited by this water heater is unmatched by most heaters in the market. It is eco-friendly and will save you lots of money over the years. Its auto-activation heater provides convenience by indicating the flow of water such that when the water flow stops, it shuts off to save power. Its compact design makes it fit easily under the sinks of most modern kitchens and bathrooms. It can also be mounted on a wall.

This electric water heater is also sought-after for its easy installation unlike some of the other heaters in the market. The heater also requires no venting. It is made of premium materials and professionally crafted for durability. It is also crafted with safety as a priority to prevent accidents at home and ensure you derive joy from the appliance for many years to come.

Pros

• Delivers hot water continuously and on demand

• Energy efficient

• Requires no venting

• Eco-friendly

• Compact and stylish

• Safe to use

Cons

• No plug-in

6. BOSCH powerstar AE 9.5 Electric Hot Water Heater

Save on your bills with this 99% thermal efficient water heater. This appliance will provide you with an endless flow of water whenever you need. The compact design of this electric water heater makes it ideal for installation in various places including under the sink. It can also be installed in places such as garages and workshops. This water heater can be installed vertically or horizontally, and installation is easy.

This 9.5 kW output water heater will not keep you waiting for water to heat as it delivers instant results. It also allows for a wide range of water temperatures so that you can choose your desired level. You may also mount this water heater on the wall for extra flexibility. It has a lightweight design that is perfect for installation or storage.

It has minimal standby loss that will lead to huge savings over time. The high thermal efficiency also makes it eco-friendly. Installation is straightforward. Its ability to deliver a large amount of hot water rather instantly is why it is one of the most sought-after water heaters in the market. Its professional performance and a high degree of versatility make it a top water heater. You also don’t need to perform regular maintenance on this water heater which is good for your finances.

Pros

• Large amounts of hot water instantly

• Easy installation

• Power efficient

• Eco-friendly

• Versatile

• Compact design

Cons

• No temperature setting button

7. EcoSmart ECO 27 Electric Tankless Water Heater

The EcoSmart electric water heater uses proprietary self-modulating technology to save you a lot of money on water heating costs. With 27kW at 240V, this water heater delivers high quantities of hot water in an instant so that you don’t have to experience long waits. It has a digital temperature control that is calibrated in 1-degree increments to allow precision while setting the desired temperatures.

It has a compact design that makes it versatile – the water heater can be installed in numerous places including under the sink. It is made of copper and stainless components that are easy to replace. The materials are sturdy and the components well crafted to ensure durability.

This heater can heat close to 3 gallons in a minute even when the incoming water is at very low temperatures. It can also supply four showers simultaneously with hot water continuously. The water gets heated as it passes through the appliance, ensuring that there are no delays. The heater only turns on when you want to heat some water. The unit also cuts down on heat loss.

Pros

• Endless hot water

• Saves money

• Compact design

• Digital temperature control

• Elements are easy to replace

• Advanced self-modulating technology

Cons

• Unsuitable for heavy commercial use

8. Rheem 240V Tankless Electric Water Heater

This water heater features a digital temperature control with LED display that allows you to set the desired temperature with 1-degree accuracy. It utilizes advanced self-modulation technology that adjusts the power output in order to meet your hot water demand. It has two heating elements that are made of copper immersion for durability and reliability.

The heating elements are easy to service and replace. The water heater has a high flow rate capable of meeting your high hot water needs. Installing this water heater is simple. It can be installed under the sink or in numerous other places due to its compact design. It is threaded for easy installation. Whether it is for single or multiple points-of-use, this water heater will deliver hot water on demand, quickly and continuously. It is a power efficient appliance that is eco-friendly and will save you money.

Pros

• Precise temperature control

• Delivers hot water instantly

• Durable

• Very Reliable

• Easy to install

• Compact design

• Energy saving

• Eco-friendly

Cons

• Requires periodic maintenance

The water heaters outlined here are highly reliable and will conveniently meet your hot water needs. Ultimately, your final choice will depend on personal preferences and individual needs.