Which is Right For You?

Tankless water heaters sales have been booming lately. unlimited hot water savings and energy are the features most often touted by the industry tankless water heater, and a smaller footprint is often mentioned. Although they provide an unlimited supply they are not without their own problems.

water heaters storage type have been the norm in the United States, but the gas tankless hot water heater recently started having an impact. Most people are familiar with storage (tank type) water heater when you have a large tank of heated water ready and waiting when you need it. Water can be heated to the gas flame, electric heating elements, or any other method. Storage or tank type heaters have two potential problems, the first, is that they use more energy on standby as tankless water heaters, and second, you can run outside the heated water.

Tankless water heaters have certain disadvantages for them too. On the one hand, tankless water heaters have a flow switch in the water line which makes them about when sufficient flow is detected. Usually, a rate of about ½ gallon per minute or more is needed to ignite the device. That pretty much eliminates the idea of having access to a low flow rate for nothing.

Sometimes it can be difficult to fill a tub with a tankless unit. With tankless water heater, plus the flow of water over the temperature rise as the water spends less time in the radiator. With a bathtub you usually turn on the water jet full so you do not take too long to fill the tub. Usually the valve to the tank will have the highest rate of any device in your home, often 7 gallons per minute or more. With tankless water heaters typically you end up with a tub of warm water. If you try to fill more slowly to make it warmer, it takes so long to fill it cools before you get in anyway. So if you like to rest in a warm bath, you better make sure you get a hot enough to do the job.

tankless heaters are significantly more expensive than storage heaters, and more complex, so they are more expensive to repair when problems arise. They also need larger fireplaces and whether they are electric, they often need a very heavy wiring.
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