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What Is the Most Energy-Efficient Hot Water Heater?

If it’s time to upgrade your water heater, efficiency is probably your primary concern, and with good reason. After all, water heating is your second highest monthly energy expense after home heating and cooling.

So, what’s the most energy-efficient water heater? No other option beats a tankless water heater.

How Do Tankless Water Heaters Work?

When you call for hot water, cold water first enters the tankless water heater. Depending on the fuel source, either a gas burner or electric coil heats up the water instantly. Hot water then leaves the unit and travels to the faucet.

In general, tankless water heaters can provide two to five gallons of hot water per minute. Keep in mind that gas-fired tankless water heaters tend to have a higher flow rate than electric units. If you opt for a gas tankless water heater, make sure you choose a model with an intermittent ignition device, or IID, which prevents the pilot light from staying lit 24/7. This raises the efficiency level.

Even the largest gas-fired tankless water heater may not be able to supply enough hot water for multiple hot water demands occurring simultaneously throughout your home. For example, taking a hot shower while the dishwasher is running may push a tankless water heater to its limit. You can overcome this flow rate restriction by installing two or three units in your home.

What Makes Tankless Water Heaters So Efficient?

The biggest downside to conventional tank water heaters is the standby heat loss. They waste energy any time you go long stretches without using hot water, such as while sleeping all night. On the other hand, tankless water heaters produce hot water on demand, negating the need to keep a supply of hot water at the ready and eliminating the issue of heat loss.

If you consume less than 41 gallons of hot water a day in your home, one or more tankless water heaters can be more energy-efficient than storage water heaters. Even if you consume more hot water—say, around 86 gallons per day—you can still appreciate good energy savings.

For help selecting and sizing the most energy-efficient water heater, contact Arctic Air Conditioning online or call us at 732-455-9110. We can help make sure it is the best water heating choice for your needs!

Testimonials
5 Rating |

”I called Arctic Air with an AC problem. They came out diagnosed the problem and fixed it for me. Great job!!!”

- Annette Estevez
5 Rating |

”Matt was very helpful and explained all in detail. I would highly recommend Arctic team”

- Mayur Soni
5 Rating |

”Excellent customer experience from estimate to installation! We installed a new central air conditioner since the one we had was ready for replacement. We received a few estimates and Artic…”

- Rhonda B
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”Excellent service. Our technician Joe V was courteous, professional and on time!”

- beachynadine
5 Rating |

”Arctic installed my new HVAC system and has maintained it since. They have been nothing but efficient, polite, and responsive. When I had an issue (that I caused) they were…”

- Gary Otter
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”They are neat and clean, courteous and on time!!”

- Cathy Eisen Berkowitz
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”Tim was very nice, knowledgeable and was kind to wear protective gear outside and inside my house. Thank you for the great service!”

- Natalia Jouan
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”Good interaction and very professional. Wore a mask before entering home. Overall, fine courteous young man.”

- Jay Weiss
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”I had a new toilet , bathroom faucet, and water heater installed. Everything was done professionally. The technician was on time. He was knowledgeable and patient. He ran into several…”

- Mary Ellen Driscoll
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”Arctic Air is very thorough and efficient. Technicians arrive exactly on time. Communication with the main office and technical staff is unsurpassed. Arctic Air stands behind their work.”

- Richard Eisenbeis
5 Rating |

”I have been dealing with Arctic Air for over 30 years and they have always been professional and honest. I started dealing with the owner Howard and his word was…”

- Bob Cembor
5 Rating |

”My technician, Greg, was very thorough in looking over my unit and explaining all of my repair options. I highly recommend Arctic Air!!!!”

- Lizabeth Bianco-Kleinosky
5 Rating |

”The Serviceman Frank fixed my thermostat as well as answered questions about my air conditioning system. I'm very happy with the good service.”

- Lindsay Humphrey
5 Rating |

”A/C not working after i removed the thermostat to paint. Ed immediately recognised the problem. He connected a Nest thermostat that i couldn't get to work. After making sure it…”

- Ralph Cusumano
5 Rating |

”As usual, Arctic fixed our plumbing issues and made suggestions for improvements. I highly recommend them for plumbing, heading, and air conditioning matters!”

- David Streit
5 Rating |

”Just set up two appointments for air conditioning preseason tune-up at the beginning of the month. Very smooth. Today the technician came in to do the work. Very nice guy.…”

- jerry xie
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