Are you wondering if a tankless hot water heater is the right choice for you? Lets take a look at how this type of water heaters work, as well as it’s advantages.
A tankless water heater or “demand water heaters”, simply heats water as you use it. It does not store the heated water like a conventional water heater. The main advantage of a tankless water heater is to completely eliminate the cost of maintaining the temperature of the hot water normally stored in a conventional water heater.
With the conventional heater, you heat the water. Then you reheat the water over and over again to bring it back up to temperature as it cools, until it is used. Each time the flame or electric coil energizes to bring the stored water back up to temperature, you waste more energy dollars.
In contrast, the tankless water heater only heats the water as you are using it. When your usage stops, the unit shuts off and doesn’t run again until you require more hot water.
Tankless water heaters basically use two energy types : Electricity or Gas.
Electric tankless heaters have the following advantages:
-They require less space than gas heaters.
-They require no fuel.
Smaller units can be installed at specific points in the house for isolated hot water supply.
Gas tankless heaters have two main advantages:
-They are slightly more efficient than electric .
-They will continue to work during a power outage.
Many Tankless Water Heaters have a life expectancy of more than 20 years. They also have easily replaceable parts that will extend their life by many more years. In contrast, storage water heaters generally last 10 – 15 years.
For homes that use 40 to 80 gallons of hot water daily, Tankless Water Heaters can be 10% – 30% more energy efficient than conventional storage tank water heaters.
Tankless “whole house” water heaters have one thing in common with conventional water heaters: Neither will provide instant hot water. They both must push the cold water from the lines between the heater and the tap.
However, smaller electric tankless heaters can be installed for point of use. For example, you may want to install a sink in the garage and wish to have hot water there. The electric unit can be installed at the sink in the garage. This eliminates having to run a “hot” water pipe to the garage from the house or installing a regular tank type water heater in the garage. Cold water simply runs through the tankless heater and into the sink as you use it.
If you want to save your energy dollars, a tankless hot water heater is definitely a very good choice.
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