Tired Of Waiting For Water To Heat Up?
Tankless point-of-use water heaters, also known as “POU water heaters” or “on-demand water heaters”, are a marvel in engineering when compared to standard gas tank water heaters. It’s important to note that this article is about tankless POU water heaters, and not POU water heaters that feature tanks. Your standard gas tank water heaters act as a storing reservoir for tap water, which is then heated to the set temperature using gas. Not only does this water have to be heated initially, it must be kept warm. This demands a constant heating of the dozens of gallons of water it holds. This is in stark contrast to POU water heaters.
How It Works
With a tankless POU water heater, there is no reservoir that holds water. Instead, the water flows through the unit and comes into contact with a heat exchanger. This is typically in the form of heating elements that wrap around the plumbing line heating the water as it flows through. The heating unit will be installed within close proximity of the faucet or shower spout, typically within the cabinetry or behind the relevant wall.
A POU water heater can output hot water at a rate between 2 to 5 gallons per minute, depending on the model. The standard shower head uses 2.1 gallons of water per minute. Factoring in a mixture of hot and cold water, a POU water heater, depending on the model, can potentially supply enough hot water for two fixtures simultaneously running. A quality tankless unit will require a dedicated circuit connected to your breaker box in the form of 240-volts, although 120-volt models do exist.
Energy Savings Galore
Research shows that POU water heaters can offer homeowners energy savings of around 24-34% when compared to gas-burning tank water heaters. These same storage water heaters only last around 10-15 years, whereas well-maintained on-demand water heaters can last you up to 25 years.
We have installed tankless POU water heaters before when requested by homeowners, and they turn out great. It’s ideal to have an access panel to the unit, perhaps through an adjacent closet or simply on the other side of the wall. This makes any needed maintenance easy and can help extend the life of the unit by being able to replace parts on it.
We hope that we have cleared some things up for you. If you are ready to begin your remodeling project, we are standing by eager to hear from you!
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