Some people call tankless water heaters on-demand. Unfortunately, this can cause some confusion with new owners who expect instant hot water as soon as they turn on the tap. What is the difference between instant hot water and on-demand hot water? Find out to amend your expectations and discover how to get on-demand hot water in your home.
What Is Instant Hot Water?
Instant hot water delivers piping hot water from the faucet as soon as you turn on the tap. This type of service is typically used in kitchens for potable hot water to use in making instant soups, teas, or other hot beverages. The faucet includes a miniature water heater under the counter to ensure immediate hot water delivery.
What Is On-Demand Hot Water?
On-demand hot water refers to a tankless water heater. This system heats water as soon as you open the tap. Cold water passes through the heater, where it quickly reaches the set temperature before passing on to your open tap. Because the system only heats water when needed, it saves money over time. Plus, these water heaters last twice as long since they don’t work as much as tank water heaters, which keep dozens of gallons of water at a set temperature.
Why Doesn’t a Tankless Water Heater Deliver Hot Water Instantly?
If you have a few seconds of cool water before the water becomes hot, don’t worry. This is normal and a sign that your system is working. Your water heater will only turn on to produce on-demand hot water when you open a hot water tap. Unless you have a water heater directly below the faucet or plumbing fixture you use, there will be a short delay before the water from the faucet feels warm.
However, cooled water will still be in the hot water pipes between the water heater and your faucet. You need to let this flush out before receiving hot water. The delay relates to the distance from the water heater to the faucet.
Connect with Us at Best Service Plumber for On Demand Hot Water
While a tankless water heater does not give you instant hot water, you can get nearly endless hot water from a properly sized model. Contact us at Best Service Plumber to get this heating option for your water. If you need instant hot water for your kitchen, see our sister company, Oceanus for instant hot water faucets. Whatever you need for your home’s plumbing, you’ll find it from our family of plumbing companies.
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