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On-Demand Water Heaters 101

On-demand water heaters, also known as tankless or instantaneous water heaters, only provide hot water when you need it. This means standby energy loss associated with storage water heaters doesn’t exist with on-demand versions. If you’re looking to save energy and money, these water heaters could be right for you.

Saving with On-Demand Water Heaters

According to ENERGY STAR®, if you consume fewer than 41 gallons of hot water per day, an on-demand water heater could save you 24% to 34% on your water heating bills. Even if you consume twice this much hot water, you can still appreciate 8% to 14% energy savings. ENERGY STAR estimates that the average family can save $100 or more per year by installing an efficient on-demand water heater.

How Does an On-Demand Water Heater Work?

When you turn on a hot water faucet, you create a demand for hot water.

  • Cold water rushes into the water heater
  • An electric coil or gas burner heats the water instantaneously
  • The hot water travels the rest of the way to the faucet
  • Hot water is at your fingertips!

Keep in mind that since it takes a few seconds for the water heater to power on and determine the flow rate, it may actually take a little longer for the water at the tap to heat up. Once it does, you have unlimited hot water, making back-to-back showers comfortable for everyone.

Important Factors to Consider

In general, tankless water heaters can provide two to five gallons of hot water per minute. Gas-fired models have higher flow rates than electric-powered units. To prevent wasting energy with a constantly burning pilot light, an intermittent ignition device, or IID, is preferred for gas-fired on-demand water heaters.

Even the largest gas-fired water heaters may not be able to keep up when hot water is needed in multiple places at the same time. For example, trying to take a shower while the dishwasher is running may push an on-demand water heater past its limit. One way to overcome flow rate restrictions is to install more than one water heater.

Water Heater Replacement in Central Jersey

The knowledgeable plumbers at Arctic Air Conditioning can provide you with an efficient, properly sized on-demand water heater to help you save money and enjoy limitless hot water. To learn more about tankless water heaters or to schedule your installation, contact us online or call us at 732-455-9110.

Testimonials
5 Rating |

”As always, great service from Arctic Air - woke up this morning to no heat on our first floor. Called Arctic Air and their friendly technician, Fred S., arrived within…”

- Elaine Ligotino
5 Rating |

”Alex was very professional and very informative. Great service as usual!!”

- rojoel gel
5 Rating |

”Tech Brendan was very friendly and knowledgeable.”

- Tom Piccolo
5 Rating |

”I'd recommend Arctic air wholeheartedly. They are professional, courteous, and meticulous. The prices are excellent as well!”

- Diane Mecca
5 Rating |

”Moved our gas line lower for our new stove.”

- Melissa Dzioba
5 Rating |

”My heat wasn’t working. I called in the morning and they were at my house by the afternoon. My service tech Matt was friendly, informative and very knowledgeable. He took…”

- Marissa Carter
5 Rating |

”Very courteous, economically priced for HVAC furnace repair work . Fast response and repair. Service techs were super helpful and professional. Highly recommend”

- David J. Gregory
5 Rating |

”Gregg did a great job fixing our heating problem. Couldn't ask for a more professional, Courtious and responsive company. And that's the same for Gregg!”

- Mark Gershman
5 Rating |

”Very good experience. They came out same day within a couple of hours of calling. John the tech was very knowledgeable and explained the issue very clearly.”

- John Basselini
5 Rating |

”Excellent service and price”

- Marconi Cap
5 Rating |

”I love working with Arctic Air. They have an amazing team that you can truly trust and count on to get the job done right! I cannot recommend them enough…”

- Christina Fox
5 Rating |

”Arctic Air Conditioning, Heating & Plumbing is a top-notch company - I'd give them 10 stars if I could. They truly care about the comfort of their customers and provide…”

- Bailey Stoner
5 Rating |

”Clean, warm and comfortable”

- Ira Silkes
5 Rating |

”As always fast professional service all of the time.”

- Scott Danberry
5 Rating |

”waiting for the parts from manufacturer.”

- Radha Sayyaparaju
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