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Tankless Water Heaters - Follow Plumbers Advice

Tankless water heater is a good thing to buy for your own needs. Not only are they convenient, they are reliable and efficient also. Any plumber would advise you to buy a tankless heater in your house.

Tankless water heaters, also known as inline, instantaneous or continuous flow, have every reason to be called a good option. The thing is that the conventional water heaters cannot compete with tankles ones.

As it goes without saying, tankless water heaters have no reservoirs. The process of heating takes nothing, but a few seconds. That is the reason why they are called instantaneous. A lot of advantages are associated with the absence of reservoir. For example, tankless water heaters don't have to reheat the woter contained in the tank over and over again. This advantage reduces your energy bill.

Electric water heaters use energy to heat up water. They need a lot of energy while heating, and this is to be taken into account. Electric tankless water heaters are very good, when it comes to energy conservative. Indeed, they are associated with efficiency ratings at nearly 99%.

Tankless Hot Water Heaters

Tankless water heaters usually supply hot water to all appliances and for the whole house. However, there are smaller models that are designed to heat water for limited area. Point-of-use tankless water heaters are very convenient to locate, for example one might place them under a sink.

104–120°F (40–49°C)
Hot water temperatures of 104–120°F (40–49°C) are preferred for dishwashing, showering and laundry; requiring the water temperature to be raised about 54°F (30°C) or more, if the hot water is later mixed with cold water.
140°F (60°C)
The optimal temperature for Legionella proliferation in water varies between 32°C and 35°C, but it can easily proliferate at temperatures of up to 45°C. Usually, there is no growth above 55°C, and a temperature of over 60°C has a bactericidal effect. Thus, the WHO recommends that water be heated and stored at 60°C. (Source : NCBI)
130°F (54.4°C)
Water this hot will give you third-degree burns in just 30 seconds.

The advantage of the point-of-use tankless hot water heater is their size. They are used to heat water for a specific area, which is cheaper then installing and using centralized tankless heater. Quite often point-of-use tankless water heater is used in combination with a conventional centralized water heater with small reservoir.

By and large, tankless water heaters are convenient, efficient and reliable. They don't take up much room and thus look quite compact.

Read on to learn what else makes tankless hot water heaters the best option for your house:

Tankless water heaters can be placed almost everywhere. They don't have any reservoir, so their size is much smaller than that of conventional ones. The smaller size gives you more opportunity with decorating and using space.

Continuous flow of hot water is an advantage that make people like this thing. Those who don't want to wait enjoy instant heating.

To operate tankless heaters use only energy and gas, which makes them environmentally friendly. In contrast, conventional water heaters waste a lot of resources.

As there is no reservoir, tankless water heaters are not exposed to corrosion. It greatly contributes to the durability of the items. Corrosion is not totally avoided; however corrosion of pipes cannot be compared with the corrosion of a reservoir.

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Water Heater Power
 kW
Water Flow (Per Minute)
 Gallons
See Table "Typical Flow Rates"
Incoming Water Temperature
 °F
Output Water Temperature
 °F

Fixture Type Gallons (Liters) Per Minute
Lavatory
0.5 (1.9)
Bathtub
2-4 (7.6-15.2)
Shower
1.5-3 (5.7-11.4)
Kitchen Sink
1-1.5 (3.8-5.7)
Pantry Sink
1.5-2.5 (5.7-9.5)
Laundry Sink
2.5-3 (9.5-11.4)
Dishwasher
1-3 (3.8-11.4)

Activity Gallons (Liters) Using
Clothes washing
32 (121)
Showering
20 (76)
Bathing
20 (76)
Automatic dishwashing
12 (45)
Preparing food
5 (19)
Hand dishwashing
4 (15)
Source : ACEEE

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