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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
4 Rating |

”Corrected faulty maintenance by previous crew from the same company. Technician was courteous, explained the missed maintenance step, rectified the issue.”

- Arindam Basu
5 Rating |

”This company is OUTSTANDING! When Tropical Storm Ida hit, like so many others, we took a loss this included our HVAC, hot water heater, and furnace. Needless to say we…”

- Sherry Clark
5 Rating |

”Mike was terrific! He was professional and on time. Put booties over his work shoes without having to be asked. Friendly and efficient. Have been using Arctic for years- very…”

- Nerina Felumero
5 Rating |

”Artic Air Conditioning is a terrific service! They were accommodating and quick to respond and take care of my air conditioning needs! Brendan was the service engineer who serviced the…”

- Moira Wholey
5 Rating |

”Technician was on time, professional and extremely respectful. He was able to diagnose and resolve the issue within 20 minutes. Unit is running perfectly.”

- RoseMarie Grossmann
5 Rating |

”I have been using Arctic Air for many years. Recently, I had an issue with my AC, and Brendan, the technician, came promptly the next morning. He was professional, courteous…”

- Wayne Fang
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”Brendan, the tech who came out to our house did a great job of explaining the issue and providing visual examples of what he saw and how he went about…”

- Mike Salvatore
5 Rating |

”They answered all my questions and addressed all aspects I requested.”

- K Gudapati
5 Rating |

”Installed hot water heater and did a great job. I would recommend.”

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”Scott did a great job, he wasn’t even supposed to do this job and wound up with it. He was very conscientious and knowledgeable. He was very neat and cleaned…”

- Alyce Reagan
5 Rating |

”Brandon was fantastic. He was professional. Explained everything from the beginning. Great service. Will request him in the future!”

- Lena Pfeffer
5 Rating |

”Arctic Air electricians installed LED high hats in 2 rooms. The installers were neat, efficient and very professional. I would not hesitate to use them again for any electrical needs.”

- Tom Ross
4 Rating |

”Best Experience with HVAC. Reliable. Honest. So happy we used them to replace our AC, Furnace, Hot Water Heater and Humidifier. Interviewed and used other companies in the past. Would…”

- Cyndi Dalakian
5 Rating |

”Brendan was very professional and very willing to explain things to me when I had questions. For me, the level of transparency Brendan provided was refreshingly unexpected. You don't find…”

- Russell Baker
5 Rating |

”My AC again stopped blowing cold air. They sent someone out (Eric Reed) immediately. He found the refrigerant leak, we discussed, and I decided to replace the unit rather than…”

- Joy Johnson
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”They were on time and texted to confirm appt with picture of tech. Wore shoe coverings and masks. Techs were friendly and professional. I highly recommend Arctic!”

- JH Mudd
5 Rating |

”Honest, Reliable, Reasonable and Professional service. John O'Toole from Arctic Air was exceptional in every aspect of the service rendered.”

- Jagdish Parelkar
5 Rating |

”I don't know what we would do without Arctic Air Conditioning. They have so far replaced our AC, furnace, and now fixed a broken sewer trap under our house that…”

- Olga Muzician Pacilio
5 Rating |

”great technician / great company”

- Jacqui McCrone
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