Save Money With A Tankless Hot Water System!


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With the price of a kilowatt hour of electricity rising each and every year, becoming energy efficient has gone from being only a social consideration to a very serious budget consideration.

One way that a home owner can save money on their electric bill is to convert from a conventional tank style hot water system to an on demand or as they are sometimes called a tankless, hot water system.

An on demand hot water system works, just as its name implies, by heating water only when there is a demand, within the home for hot water. Incoming cold water is connected to the tankless system, which is a high efficiency heat exchanger. Electric heating elements wrapped around the piping within the tankless system transfer heat to the water at a very high efficiency. The only time the electric elements are turned on is when someone opens a hot water tap within the home. The system senses the reduction in pressure, water flows through the coils within the on demand system and heat is transferred from the elements to the coils and then to the water. The instant that the demand has stopped, the faucet, or tap is turned off, the elements are turned off.

In a conventional hot water tank system the water is heated 24 hours a day, 365 days a year, whether there or not there is demand.

Conventional hot water tanks are prone to corrosion because they store water that has a mineral content. As the water is heated, the minerals settle to the bottom of the tank, creating heating inefficiencies and corrosion. Where a conventional hot water tank has a life expectancy of less than 10 years, the tankless systems have life expectancies of more than 25 years.

Retrofitting a tankless system is not a difficult project, as the on-demand systems are about the same size as a briefcase they will readily fit in any location where there is currently a hot water tank.

The on demand systems require a large amount of electricity for short periods of time, a unit for an average home will require 60 amps at 230VAC nominal. This means that the incoming electrical service to the home should be a minimum of 200 amps. The wiring that currently runs from the electrical panel to the hot water tank will most likely have to be upgraded, as most hot water tanks operate on a 30 amp to 40 amp circuit.

For additional information on hot water systems for your home or other renovation projects, visit Renovation Headquarters.


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