Best Tankless Hot Water Heater

The tankless water heater is becoming renown and gaining in popularity for good reasons. Tankless or instantaneous hot water heater has many advantages compared to the traditional storage-type hot water supply, primarily due to their compact design and energy efficiency. The best tankless water heater is capable of heating water and provides hot water only as it is needed. Whereas the traditional type water heater stores hot water in the storage or a tank and it keeps using energy to maintain the water hot even though it is not used.

The rationale of a tankless hot water heater is very simple and convenient. When the hot water tap is opened, the cold water will run into the unit, and the electrical heating element will jump into action and boil using gas as the cold water passes through. After that, the hot water leaves the unit hot and ready to be used, and there is no need to have water storage to keep the water.

Why you should go for the best tankless hot water heater?

– Considering the energy savings and the efficiency

Energy savings is one of the significant benefits of using a tankless water heater. Therefore, pay close details and take into consideration of all the options that available is needed to find the best option.

– Selecting the right warranty

The tankless water heater is not a cheap product, so knowing the validity period of your tankless hot water heater warranty is a primary concern. Warranties may be different depends on the manufacturers or models. However, warranties also reflect its quality, reliability, and performance.

– Durability

The lifespan of the unit is vital to be taken into account because no one wants to buy today and then replace it on the day after. One of the prominent factors that determine durability is the material. Premium quality materials must be rust   resistant concerning keep the water fresh and uncontaminated. Moreover, the units also should be last for long enough with less maintenance.

Moreover, advantages of the tankless hot water heater are:

Energy savings and low operating costs

There won’t be any standby heat loss which occurs in the traditional type water heater because the water will be delivered only when it is needed.


Tankless water heater has a more significant and more extensive service life than the traditional type water heater. On average, if it is adequately maintained, the tankless water heater can last for 20 years or more.

Replaceable parts

One of the reasons that the average lifespan of the tankless hot water heater is more extensive is because the parts are designed to be repairable. If the traditional water heater broke or begins to leak, it is possible that there is a chance the whole unit will need to be replaced. Whereas every part of the tankless hot water heater unit is designed to be replaced one by one separately.

Compact and efficient design

It is evident that without a tank or storage, less space is needed for this units. They can be mounted on the wall. Some models are even designed to be installed outside.

Fresh and endless supply of hot water

Hot water won’t be settling and sitting in the storage that might contain dirt, rust, or mineral scale if there is no proper maintenance of the tank. The water will be provided in fresh condition because it will be heated on-the-spot then deliver to you immediately. The tankless hot water heater is able to supply your household with unlimited hot water because the amount of water is not determined by the size of the storage.

The Best Tankless Hot Water Heater Options

Best Tankless Hot Water Heater is the EcoSmart ECO 27, ranked #1View Discount on Amazon

Top Pick: EcoSmart ECO 27

The EcoSmart ECO 27 electric tankless water heater offers customers a high efficiency. Using this in your house will cut your gas bills down. With an advanced novel technology, these types of unit will give you a supply of never-ending hot water for your all house appliances.

The EcoSmart ECO 27 also has a compact design without taking up too much space. The uniqueness of this unit is the self-modulating technology that it has. This allows the unit to operate with a small amount of energy which will reduce your monthly bill.

The EcoSmart ECO 27 also capable of performing in colder climates as its capability to heat up water with a temperature below than 40 degrees Fahrenheit. Moreover, it also has a digital temperature control which allows you to control and adjust the temperature according to your preference easily. It is also safe and straightforward to maintain, as well as to clean it.

Stiebel Eltron DHC 3-1 ranked as #2, budget pick.View Discount on Amazon

Budget Pick: Stiebel Eltron DHC 3-1

The Stiebel Eltron DHC 3-1 tankless water heater is ultra-compact and designed for primary point of use applications of household appliances such as sinks, kitchen, washrooms, etc. Due to its delicate size, it is possible for placement directly under your kitchen sink, or conveniently adjacent to your closet or cupboard, so it provides and delivers hot water to those appliances almost instantly.

Moreover, by locating this heating unit right near the point-of-use, meaning you also lessen the thermal heat loss which usually associated with more prolonged pipe runs, which will save you energy and money.

The Stiebel Eltron DHC 3-1 also has a sophisticated water flow sensor which will recognize if there is any hot water being used or not, so the heating unit will activate and deactivate automatically, and only runs when there is actual water being used. However, The Stiebel Eltron DHC 3-1 is not very recommended for whole house use.

Marey ECO110 220V ranked as #3View Discount on Amazon

Marey ECO110 220V

Marey ECO110 220V is easy to manage and to be operated. It consists an LCD panel which allows you to adjust and program the desired water temperature, which also will optimizing electricity usage.

The design is also compact and makes it possible to be installed almost everywhere. However, it is recommended to has a professional installation, because some of the accessories and parts for installation are sold separately.

This unit also has a premium quality of materials of stainless steel water channel designed and made in German. The heating chamber also made with corrosion-resistant material which reduces dangerous chemicals such as chlorine and calcium. Marey ECO110 220V could reach 56 degrees Fahrenheit at 1,5 GPM at one point of use at time. Whereas in colder climates, this type of unit can provide a hot water supply for a single point of use.


In conclusion, tankless type water heater will allow you to have an endless source of hot water supply, while also saving energy and money by not operating (heating and reheating) the water storage or tank. Although the initial purchase might be more expensive, and most of them also require a professional installation, the appliance pays for themselves over couple years.

Moreover, this type of heating unit also has a longer lifespan than the traditional one. By illustrating a comparison among three different products above, hopefully, it will give you insight in choosing the most suitable tankless water heater for your house. Whether you want for basic need or a heating unit that capable to heat up frigid water temperature. Factors such as energy efficiency and materials are fundamental to be taken into consideration.

Thus, you can get the benefit of tankless water heater maximally because every house has different needs.


Leave a Reply

Your email address will not be published. Required fields are marked *