A Direct Vent Water Heater with a Nicely Illustrated Video

Here’s a great video that perfectly illustrates how a direct vent water heater works. In it they show how a conventional hot water heater works versus a tankless direct vent water heater.

Because of the inefficiency of storing water and reheating it as is typical with a conventional water heater, direct vent water heaters aren’t susceptible to these losses as they only heat water when it’s needed at a faucet or other device. Hence the term instantaneous or on demand hot water heater.

Because of this method of operation, tankless direct vent water heaters offer a much higher efficiency than conventional water heaters can provide. Which in turn substantially decreases your hot water heating costs.

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