Types Of Tankless Water Heaters

Tankless water heaters, also known as instant water heaters, provide instant hot water only when it is needed. They don’t produce the standby energy losses associated with storage water heaters. A tankless water heater has a lot of advantages which clarifies why there is such a huge demand for this kind of unit that gives you an endless water supply with your desired temperature. These heaters take up very little space giving you a plentiful continuous flow of hot water.


Tankless water heaters heat water directly without the use of a storage tank. When a hot water tap is turned on, cold water travels through a pipe into the unit. Either a gas burner or an electric component heats the water. As a result, tankless water heaters deliver a constant supply of hot water. You don’t need to wait for a storage tank to fill up with enough hot water. However, a tankless water heater’s output limits the flow rate.

Typically, these heaters provide hot water at a rate of 2–5 gallons (7.6–15.2 liters) per minute.you can find the best tankless water heaters review here according to your needs.

Types of Tankless Water Heaters:

A water heater is a big investment for any home and has an important function so it’s better to be known by its various types according to the conditions and working.

Electric Tankless Water Heater:

Electric tankless water heaters are some of the most energy-efficient on the market, claiming up to an impressive 99% energy efficiency and it is less expensive to install. They are efficient accompanied with long service life. It requires very minimal maintenance since you just need to clean the screen filter from time to time. The Tankless electric water heater will take up very little space, if you already have the capacity in your electrical junction to add the heater, then you may be well on your way to an easy choice.

Natural Gas Tankless Water Heater:

Gas tankless water heaters are typically more powerful than the electric heaters so they are the best option for large families and commercial installations. These are quite costly and are more equipped in giving water supply in high flow rates, but there are just so many things to take into consideration like air supply, gas line size, and even venting options. Unlike electric tankless water heater, maintenance is required to assure that everything is working accurately.

Propane Tankless Water Heater:

It is another type of tankless water heater that uses liquid propane. The cost of a Propane hot water heater is slightly more expensive than electric ones. But it has its share of benefits. The propane tankless water heater works similarly with the one that uses natural gas. But the thing is that this type of unit is a more energy-saving option. They are eco-friendly units and give continuous water flow without having to wait.

Commercial Tankless Water Heaters:

The Commercial tankless water heaters have a high BTU and flow rate. Almost all of those heaters available for commercial use are gas-powered, either natural gas or propane. Some commercial water heating systems have a re-circulation system, which helps to reduce water wastage.

Small Tankless Water Heaters:

On a low-budget, Small tankless water heaters are a good recommendation to the people who want to give a try to tankless water heaters. Some of these water heaters include single-outlet and battery-powered units. They are efficient and perfectly fits your unique needs.

Whole-House Water Heaters:

Whole-house water heaters deliver hot water to the entire house. They are powerful enough to heat water for an entire home, as well as it will easily handle multiple showers for busy households. There flow rate is the most important factor to acknowledge.you can also check the best whole house electric tankless water heater reviews here.

Portable and RV Heaters:

The Portable tankless water heating systems are useful in so many applications, especially in mid-winter when the temperature falls. These units are perfect if you are camping or RVing that’s why they are also called best  RV tankless water heaters. You might have to compromise on the gallons per minute (GPM) of water flow output of these heaters. So out-door loving people have to find a balance between the needs, the right features, and price.

Hybrid Tankless Water Systems:

A Hybrid tankless water system is a new technology that mixes the old tank water heater with a tankless system. This model of water heater is more costly than a normal tankless hot water heater but is very effective. A hybrid water heater will have an electrical system and a heat pump that uses the electricity to move heat from one area to another, rather than generating heat.

Proper installation and maintenance of your required tankless water heater can optimize its energy efficiency so few factors should be kept in consideration such as climate, locations and safety issues, etc.