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2. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   A hybrid water heater is a water heating system that integrates technology traits from both the tank-type water heaters and the tankless water heaters. [5] It maintains water pressure and consistent supply of hot water across multiple hot water applications, and like its tankless cousins, it is efficient and can supply a continuous flow of hot ...

3. Electric boiler - Wikipedia

   en.wikipedia.org/wiki/Electric_boiler

   These classifications are determined based on the boiler's power output, energy performance, model type, energy consumption, and energy efficiency. [2] In a residential setting, an electric boiler is often used as a backup to a house's heating system. During the colder months, heating and hot water is used more frequently.

4. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

5. Electric Water Heaters Are Better at Storing Energy Than a ...

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6. Own a pool in Southern California? New air-quality rule ...

   www.aol.com/news/own-pool-southern-california...

   New air-quality rule requires electric water heaters. Tony Briscoe. June 7, 2024 at 5:09 PM ... Bans on large gas-fired units and pool heaters will begin in 2027, and high-temperature units in 2029.

7. Thermal efficiency - Wikipedia

   en.wikipedia.org/wiki/Thermal_efficiency

   An electric resistance heater has a thermal efficiency close to 100%. [8] When comparing heating units, such as a highly efficient electric resistance heater to an 80% efficient natural gas-fuelled furnace, an economic analysis is needed to determine the most cost-effective choice.