Best Under Sink Mini Hot Water Heater

Mini Hot Water Heater for Under Sink Use (Buying Guide)

Why under sink water heater is good for your hot water needs? Under sink hot water heater is quite popular and a very good choice for people who are in need of regular hot water.

Under sink hot water heater is small unit which is placed under bathroom sinks or counters for instant and on demand water heating at home or office. These are ideal as they save you a lot of water, are cheap and affordable and above all the quality for these are never compromised. These units are energy efficient and are proved to reduce the heating costs up to 50%.

Choosing the Appropriate Under Sink Hot Water Heater

While looking for the best under sink hot water heater, you need to watch the best brands that have long traditional quality features. Look for brands that have the best rapport in market. Check out under sink water heater reviews from authentic sources and if you need a budge friendly unit, go for an affordable unit that is not compromising on its quality.

Nevertheless, we are making equal effort to help you select the right kind of mini hot water heater for you. Just pay attention to the following points while purchasing an under sink water heater for your requirements.

  • Look for the price and warranty
  • The water flow rate should not be less than 0.5 GPM.
  • The Incoming water temperature.
  • Heating power in KW.
  • Other features such as user friendliness, modulation, relief valve for safety, conveniently located thermostat etc.

Under Sink Hot Water Heaters Best Reviewed

There are various options available in the market for under sink water heater. They might confuse and hence we have compiled a comprehensive list of 5 units that shall surely help you find the correct hot water heater.

BOSCH Tronic 3000 T 2.5-Gallon Electric Mini-Tank Water Heater

This unit is one of the most popular and the best-selling hot water heater in the market. It is a great solution for people who are looking for quick heating solution. The installation of the unit is easy and the unit comes with good manual instructions. Although the unit lacks the dial for water temperature but it is good water heater with simple operations. The size of the tank is 2.5 gallons which is sufficient for small jobs at home or office.

Major Highlights:

  • This hot water heater comes with a sleek design and compact size.
  • It is proved to provide higher efficiency
  • The installation is quite simple; can be mounted easily on the cabinet wall or floor
  • 6 year manufacturer’s warranty
  • 2.5-gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it.
  • It has a glass lined tank which promises a long life of the water heater and this hot water heater is quite easy in maintenance.
  • It has fast recovery rate and hence it reduces the wait time for hot water needs.
  • The weight of this affordable hot water heater is 19.7 pounds and the dimensions are 13.8 x 10.8 x 13.8 inches.

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Under Sink Water Heater By Eco smart POU 3.5 Point of Use

This is another terrific instant hot water heater from the house of Ecosmart. This unit is proved to have saved 60% of our costs incurred on heating water. Trust us, you will never run out of hot water once you have this unit installed at your place. It is a compact machine which will not acquire much space and as compared to other similar models this one will save your space up to 12 cubic feet.

What more it has to offer it comes with 1 year warranty on all spare parts. For the price you will pay this is a good choice. An affordable affair!!

Major Highlights:

  • It saves you a lot of space.
  • Weighs just 4 pounds and dimensions are 7x11x2.75.
  • It is specifically designed for under the sink, single application with a flow rate of 0.5 GPM.
  • The heater has a control over the flow, which means temperature of the water will adjust according to the flow.
  • This is perhaps the smallest size in the models for tankless water heater,
  • Ideal for spaces like under the sink, wet bars, strip malls, recreational vehicles, bathroom sinks, swimming shower area etc.

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Under Sink Hot Water Heater by Waste King AH-1300-C Quick

This is another mini tank water heater that we have included in the list of mini hot water heaters. This under sink hot water heater will be a great addition to your kitchen or office to provide instant hot water for coffee, tea, oatmeal, soup etc. this instant hot water heater is adjustable between 140 – 190 and can provide 60 cups of hot water per hour. The mini hot water heater has a stainless steel tank with removable drain plug. Waste King’s instant hot water heater provides you continuous hot water at 190 degrees and it is definitely a good choice for your requirements. The unit is quick, compact, affordable, safe, energy efficient, easy to install and the size of the tank is quite big.

Major Highlights:

  • The instant hot water heater consumes 1300 watt of electricity
  • This instant hot water heater comes with a stainless steel tank and the tank has a self-re-setting adjustment.
  • The capacity and size is quite sufficient for the hot water requirement. It can provide up t0 60 cups of hot water per hour.
  • The temperature of the water heater can be adjusted with a fingertip.
  • The hot water heater is safe to use as the heater is protected with self-re-setting therma fuse.

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Mini Hot Water Heater by InSinkErator Invite H-HOT100

Cook your pasta, sterilize your baby bottles, melt chocolate, thaw frozen foods, make a cup of tea, make your silver ware sparkle, rinse residue from vases, remove stubborn lids & labels etc. with non – stop hot running water at your disposal. InsinkErator is such a brilliant under sink water heater that will do all this jobs for you and will not get tired pf producing hot water. This under sink water heater runs on electricity and heats water at the point of use. It is affordable, cheap and energy efficient.

This is the newest and the most affordable model of the invite series of the manufacturer. The under sink water heater comes with a stainless steel tank that delivers almost boiling water. This model features and easy push button technology.

Major Highlights:

  • The under sink instant water heater has exclusive 1 year warranty and the company people guarantees free home service under the warranty period.
  • The mini hot water heater has a chrome finish and has a stainless steel tank which is the guarantee of its long life.
  • The water heater is ideal to prepare instant coffee, tea, and other food; cleaning dishes, washing baby bottles etc.
  • The controls of the temperature are easy to adjust and the unit delivers nearly boiling water.

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Under Sink Tankless Water Heater By Ecosmart ECO MINI

The instant mini water heater reduces your time to reach to faucets for hot water needs. This under sink water heater can be directly installed under a sink and provided hot water at the point of use. The heater runs on electricity and it highly reduces the wait time for hot water. It is an ideal machine if you require hot water in bigger volumes. The machine is affordable and top rated. That simply means the company has maintained the quality and minimized the cost for the benefit of users.

This on demand water heater lightweight and compact and the most important thing the unit can be plugged into a standard 110 volt outlet. Here are more electric tankless water heater reviews to check.

Major Highlights:

  • The under sink water heater weighs as low as 19.5 pounds to make it one of the lightest hot water heaters available in the market.
  • It comes with a 5 year warranty and the company has promised 1 year warranty for the spare parts.
  • The pressure relief valve in included in the packaging.
  • The size of the machine is quite big. This instant under sink water heater stores up to 2.5 Gallons of hot water and thus hot water is ready for use at any point of time.
  • The installation is quite easy and the application line cord in included in the packaging.
  • This unit is ideal for point of use applications.

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Under sink water heaters are so popular among users that various brands and companies are manufacturing different units with ideal specification water heater. These water heaters are small, space saving and provide hot water instantly. We tried to cover the best possible under sink water heater units to help you reach a good decision for your place. You can also look for more water heater from bradford white water heater brand.


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