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Best Under Sink Water Heaters 2017: Reviews and Buyer’s Guide

Best Under Sink Water HeatersUnder sink water heaters are associated with many advantages and very ideal for homes which do have a lot of space to spare. They are compact, electric and a small point of use – tank hot water heaters.

These products also provide the adequate amount of water for kitchen applications or hand washing. So Choosing the Best Under Sink Water Heaters effectively is really important.
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They are also very ideal for camps and cottages. Electric mini-tank water heater help saves electricity and water, and are also very high-quality products.

They are several brands of under sink mini tank water heaters on the market today. Some of the Best Under Sink Water Heaters include the following:

Top 3 Best Under Sink Water Heaters Comparison Table

#1. Ariston GL4S Electric Mini-Tank Water Heater Review

Ariston GL2.5S Electric Mini Tank Water Heater Review

Installing this mini-tank water heater under your sink is very convenient because it will allow you to have hot water at the point of use.

Check Out Its Remarkable Features Below:

  • A four-gallon mini-tank water heater, which is also glass- lined for longer life
  • Has a 6-year warranty on tank
  • Has a one –year warranty on parts
  • Elegant Italian design
  • Includes pressure/temperature relief valve
  • Plugs into standard 110V outlets, making it easy to install
  • The model comes in three different sizes
  • Comes with a thick CFC-free foam insulation that is meant to maximize energy efficiency
Pros
  • It eliminates those long waits while hot water gets from the storage water heater to the tap
  • It is easy to install
  • Can be mounted on walls or floor
  • Does not require hard wiring
  • It is electric powered
  • It easily fits right under the sink, thus allowing easy access to the controls
  • The water tank is glass-lined, meaning that it cannot corrode or rust, meaning that it can last for a long time,
  • It can be hooked up in line with a traditional tank or tankless water heater, which means it will enable you to have instant access to hot water all the time
  • It can help you save water and electricity, compared to using traditional tanks heaters, which consume more electricity and waste water by letting it run until warms up
  • The price is reasonable because it can serve you for a long time and is also a high-quality product.
Cons
  • The small tank only holds a small quantity of water. This means that if you need to clean a large pile of dishes, the hot water will quickly run out, leaving you a bit frustrated.
  • Setting the thermostat is quite difficult.
  • If you need to drain the tank, you must pick it up and then turn it upside down, which is a little bit cumbersome.

#2. BOSCH T-4 Gallon electric (Mini-Tank Under The Sink Water Heater) Review

BOSCH T-4 Gallon Electric - Mini-Tank Under Sink Water Heater Review

This particular brand comes in 3 different sizes and can be wall hung or floor mounted. Also, it is possible to install them in-line with a larger hot water source to help minimize the wait for hot water.

Check Out Its Remarkable Features Below:

  • Glass-lined tank for a longer useful life
  • Four-gallon point of use mini –tank that easily fits under the sink
  • Comes with a temperature/pressure relief valve
  • Has a 2-year warranty on parts
  • Has 6-year warranty on the tank
Pros
  • Provides hot water instantly at point of use
  • Can be mounted on walls or floor
  • Is a durable product since it contains a glass-lined tank that does not rust or corrode easily
  • Can be hooked in-line with a larger source of hot water
  • The unit is very reliable
  • Can plug into a 120V outlet for independent installation
  • Has a fast recovery rate that helps eliminate long waits for hot water while you are using the sink
  • Is reputed to have 98% thermal efficiency
  • They have a sleek and attractive design
  • Can fit in a cabinet space
  • Can be used in different places, including your garage, attic, and basement wet bar, among others
  • Comes with a compact, lightweight heater which is easy to maintain
  • Can be used alone for smaller water volumes or installed in-line as a back-up with a central heater
  • The unit helps save water because it allows instant access to hot water instead of having to run the water for a few minutes until it becomes hot enough.
Cons
  • Since the unit’s tank is small in size, it is not very ideal in situations where you need to clean a lot of dishes. Immediately the tank empties, the unit will run out of hot water.
  • The unit is associated with a high calcium build-up.
  • Sometimes the thermostat may fail to keep a consistent temperature. It can either get too cool or too hot. If it gets too hot, it can pop the safety valve, thus flooding your kitchen. Mostly, the unit may need regular maintenance.
  • You may need to reset the electronics quite regularly.

#3. Ecosmart ECO MINI 2.5 (2.5-Gallon 120V Electric Mini-Tank Water Heater) Review

Ecosmart ECO MINI 2.5 (2.5-Gallon 120V Electric Mini-Tank Water Heater) Review

Installing this mini-tank water heater under your sink helps save water because you will no longer have to run the water for a couple of minutes until it gets heated up. In addition to eliminating the wait for hot water, you can also increase the water volume by hooking the unit in-line with a large water source.

Check Out Its Remarkable Features Below:

  • Includes pressure release valve
  • Comes with a four-gallon water tank
  • Comes with an appliance line cord
Pros
  • Provides instantaneous hot water at the point of use,
  • The unit’s electric water heater is easy to maintain and is also energy efficient,
  • It is easy to install,
  • It is very reliable,
  • Comes with an adjustable temperature range (50 to 140 degrees centigrade),
  • The unit’s tank is glass-line for extended life,
  • The unit’s element is field replaceable,
  • Has a 5-year warranty on tank,
  • Has a 2 –year warranty on parts,
  • Can be installed on walls and contains a bracket to make installation easier,
  • Recovery time is only 24 minutes,
  • The unit is designed to plug into a 110 volts outlet,
  • It is lightweight and compact,
  • Does not require expensive recirculation lines and pumps since it is simply tapped into the water line and installed directly under the sink
  • It can be installed in-line with a large hot water source to increase the water volume.
Cons
  • For proper installation, you may require to hire an electrician,
  • It overheats easily,
  • The manufacturer will not honor the warranty if the unit is not installed by a licensed plumber and a licensed electrician despite the fact that you can easily install the unit yourself.

Benefits of a Mini-Tank Water Heater

Using a Mini Tank Water Heater is associated with some benefits, including the following:

  • Saving Time: A mini tank water heater undoubtedly helps save a lot of your time. Instead of waiting for water to heat up or wasting your time while awaiting heated water to be delivered to you from a conventional water heater situated at a distance through circulation lines, you can get hot water instantly and save a lot of your time.
  • Saving Water: Using a point of use water heater can help you save thousands of gallons of water every year. This is because you don’t need to run the water until it gets heated up for you to start using it. Instead, using an electric mini-tank water heater will enable you to get hot water instantly, thus saving a lot of water which would otherwise be wasted because of the delay between turning on the faucet and getting hot water.
  • Very Convenient For People Who Live In Big Houses: For those people who live in big houses with a central water heating system, it takes quite some time for delivery of heated water to distant outlets can take a very long time, causing a lot of inconveniences. Also, if you have a remote sink within your house that is not served by a tankless or tank-type water heater, installing a mini tank water heater can be a most convenient way to help eliminate waiting time as well as avoiding water wastage.
  • Cost Effectiveness: Mini tank water heaters are reasonably priced considering the period they can serve you. They also help reduce energy consumption and are easy to maintain.

Things To Consider Before Buying an Under Sink Water Heater

Before deciding what type of mini tank water heater you want to buy, you need to take the following factors into consideration:

You can purchase a water heater that runs on electricity, propane, or natural gas. Buy one that uses the most economical and convenient fuel for you.

Final Verdict

Mini tank water heaters are undoubtedly associated with many advantages and are therefore a smart choice for you. They are cost effective since they help saving energy and water. They also save the extra installation expenses that are associated with pumps and long pipes.

Also, they are easy to maintain and are reasonably priced considering the duration of time they can serve you. Essentially, electric mini-tank water heaters give value for money and therefore you should plan to buy one for yourself and enjoy some of their advantages.

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Luis Evans
 

Hi, This is Luis and I am from New York. I am a mechanical engineer and currently publishing my research on The Water Heaters and accessories for "The heaters Guide".

Click Here to Leave a Comment Below 2 comments
Nils Anderson - 6 months ago

Great article…..I really appreciate your post as it is so informative…. These are all pretty helpful tips so thanks a lot for sharing!!!!Nice information that you shared with us….Keep posting…..I’d love top read your blog….Have a nice day ahead!!!!

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    Luis Evans - a few months ago

    Thanks Nils for the nice feedback. Stay in touch for the latest updates. For more information please read our blogs.

    Reply

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