St. Louis Heating: Do Tankless Water Heaters Really Save Money?

February 28, 2018

Since a tankless water heater instantly heats the water, you don’t have to pay when it isn’t being used. The standard way to heat water in your home was to have a water heating tank. It was designed to hold a reserve of heated water, so that the water was ready when you needed it. The tank varied in size to accommodate the size of your home and the people in it, but the idea was that it would hold water in a reservoir until someone used it. A water tank is perpetually heating, even when not in use. So, the water in the tank is constantly being heated – kind of like it’s “waiting in the wings.” All the while, the water tank cost money to heat water that was just waiting to be used at some point. The tank was a great idea – after all, everyone likes hot water. But to keep it stored in a tank that’s continually being heated sounds like a whole lot of wasted energy – and with reason, because it is. Like leaving lights or heat on waiting for someone to come home, traditional hot water heaters work when they really don’t...

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