Schedule Service (410) 263-5100


It’s 10:03 am & We’re always open
Tankless hot water heater mounted on wall of home

How Does A Tankless Water Heater Work?

How Does A Tankless Water Heater Work?

Imagine having a continuous supply of hot water on demand, precisely when you need it, without the need for a bulky storage tank. That’s what we call a tankless water heater, a marvel of modern technology that revolutionizes the way we experience hot water in our homes. Unlike traditional water heaters that store and heat a finite amount of water, a tankless water heater delivers instant hot water by heating it as it flows through the unit. 

W.L. Staton Plumbing, Heating and Cooling will be diving into the inner workings of tankless water heaters, exploring their efficiency, benefits, and how they cater to our ever-growing demand for convenience and energy savings. Get ready to uncover the seamless and efficient world of on-demand hot water that a tankless water heater brings to your home.

What is a Tankless Water Heater?

A tankless water heater, also known as an on-demand water heater, is a cutting-edge appliance designed to provide hot water without the need for a storage tank. Unlike traditional water heaters, which store and constantly heat a predetermined amount of water, tankless water heaters heat water instantaneously as it flows through the unit. 

This innovative technology eliminates the standby heat loss that occurs with storage tank heaters, resulting in increased energy efficiency and a continuous supply of hot water whenever needed. Tankless water heaters are compact, space-saving devices that have gained popularity for their ability to deliver on-demand comfort, reduce energy consumption, and meet the hot water demands of modern households.

How Do Tankless Water Heaters Work?

Tankless water heaters work by heating water directly as it flows through the unit, without the need for a storage tank. Here’s how they operate:

  1. Cold Water Inlet: When a hot water tap is turned on (e.g., a shower or faucet), cold water enters the tankless water heater through an inlet pipe.
  2. Flow Sensors: The unit’s flow sensors detect the incoming water flow and activate the heating elements.
  3. Heating Elements: Gas-fired tankless water heaters use a burner and heat exchanger to heat the water. Electric tankless water heaters use electric coils or heating elements to heat the water.
  4. Heat Exchanger (Gas Models): In gas-fired units, a heat exchanger transfers heat from the burner to the water as it passes through. This rapidly raises the water temperature.
  5. Temperature Control: Tankless water heaters have built-in controls to adjust and maintain the desired hot water temperature. The temperature can typically be set using a digital display or dial.
  6. Hot Water Outlet: The now-heated water exits the tankless water heater and travels through the plumbing to the hot water fixture, such as a shower or faucet.
  7. Continuous Flow: Tankless water heaters provide a continuous supply of hot water as long as the hot water tap remains open. There’s no need to wait for a storage tank to refill and reheat.
  8. Shut Off: When the hot water tap is closed, the tankless water heater stops heating water and goes into standby mode until the next hot water demand.

What Are the Benefits of Tankless Water Heaters?

Tankless water heaters offer a convenient and efficient solution for meeting hot water demands in homes and commercial spaces, making them a popular choice for those seeking energy-efficient and space-saving alternatives. Here are a few of the key benefits of these appliances:

  • Energy Efficiency: Tankless units only heat water when needed, reducing standby heat loss and conserving energy.
  • Unlimited Hot Water: Tankless water heaters provide a constant supply of hot water without running out.
  • Space-Saving: Tankless units are compact and can be installed on walls or in tight spaces.
  • Longer Lifespan: Tankless water heaters typically have a longer lifespan than traditional storage tank heaters.
  • Reduced Energy Bills: Energy savings can result in lower utility bills over time.

Tankless Water Heater Services in Maryland

When it comes to embracing the efficiency and convenience of tankless water heaters in Maryland, W.L. Staton is your dedicated partner. Our expert team is equipped with the knowledge and skills to provide top-notch tankless water heater services, from installation to maintenance and repairs. With a commitment to delivering energy-efficient solutions and unmatched customer satisfaction, you can rely on us to transform your hot water experience. Reach out to W.L. Staton to explore the benefits of tankless water heaters and ensure a continuous supply of on-demand comfort for your home.

Share this post

Take 10% OFF Your First Service!

Activate your savings by signing up below and receive your discount code.

Applies only to service requests, not installations or replacements.

By submitting this form, you agree to receive recurring automated promotional and personalized marketing emails and text messages. Consent is not a condition of any purchase. Reply STOP to cancel. Msg frequency varies. Msg and dat rates may apply.