Low on energy consumption, on demand water heaters are one of the popular water heaters to have surfaced in recent times. Many people often find it difficult to comprehend the reason behind why it is known as on demand water heaters. Actually, on demand water heaters supply hot water on the turn of tap.
Normally, a water heater contains two canisters. One contains the cold water, the other one has hot water. As hot water exits through outlet (pipes), cold water rushes in to take its place and starts getting heated. However, in case if the hotwater inside stays unused, its temperature stays maintained at 120 degrees Fahrenheit (the figure can vary with different models). This may look very appealing initially however, your energy consumption and bills may skyrocket. This is the reason why on demand water heaters have surpassed its contemporaries such as pool heaters, radiant heaters and normal hot water heaters in terms of popularity.
Temperature in On demand water heaters start rising with increasing flow of water. It means the more water is used, the more quickly it gets heated. Of course, the user can always regulate the temperature with thermostat. So if you are thinking about buying one, ensure that you know these three important things about it.
First, the temperature of cold water entering the heater.
Second, the flow rate of hot water one will need more often.
Third and last, the temperatre of hot water one wants to use on regular basis.
Knowing all these three above-mentioned important points will definitely help you find the on demand water heater of your choice in quick time.
Some times, the user needs immediate hot water supplying two different chores. If such cases are quite frequent with user, he/she must always keep it in its calculation and choose the model accordingly. Users can even opt for an on demand water heater with two units, in case if his/her needs are big. Needless to state, on demand water heater are environment friendly in every way. This is another big reason why one should buy them without batting an eyelid.