Tankless water heaters are proven technology around the world. The problem is they haven’t really caught on yet here in America. Elsewhere in the world, tankless technology is the only method of heating water, from point of use electric to whole-house gas systems. Most places in the world do not have the space or energy to waste on a tank of water that heats up constantly. Nor would it be conceivable to run out of hot water. Why pay to heat water over and over again at 60% efficiency when you can pay to heat it once at 85% and never run out? And why would you have a system that needs replacement every few years when you can have one that will last virtually forever? The fact is tankless water heaters are “component” systems, which means they have parts inside that work together to heat the water, all of which can easily and inexpensively be replaced when they fail. When your car needs a tune-up, you don’t rebuild the engine, right? Or your house needs a paint job, so you don’t call a demolition crew in to scrape it and start over! That would be absurd. The beauty of tankless technology is the replaceable parts, right down to the heat exchanger. That is what gives them 3 to 4 times the longevity of a tank.
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