WebENERGY STAR qualified with Uniform Energy Factor of 0.93 Fuel Source Natural gas Use Location Indoor THIS ITEM IS CURRENTLY UNAVAILABLE Please check later - it'll be ready for purchase again soon. Overview Enjoy an endless supply of hot water with the Sensei RU199iN Super High Efficiency Plus condensing tankless water heater from Rinnai. WebThe Uniform Energy Factor for residential and certain commercial water heaters refers to its efficiency when run under standardized conditions for a 24-hour period. Expressed as …
ProLine® XE Electronic Display Water Heater A. O. Smith
WebElectric resistance water heaters have EFs ranging from 0.7 and 0.95. Gas water heaters from 0.5 and 0.6, with some high-efficiency models ranging around 0.8. Oil water … WebFor fuel oil-fired units, we assumed an energy factor of 0.54 before 1990 and 0.59 after 1990 (Lutz, personal communication). Table 12. Shipment Weighted Energy Factors for Storage Water Heaters. Source: GAMA Directory. Note: Energy Factor for Water Heaters is percentage efficiency divided by 100. Note: yellow cells contain data held constant ... cherchemail
Water Heater Efficiency Guide - California Energy Commission
WebThe ATI-540H-N tankless water heater uses up to 199,000 BTU/hr of natural gas to deliver an endless supply of hot water for a 3 bath home in northern climates and up to a 4 bath home in southern climates (one shower head per bath). Utilizing condensing technology, this heater is extremely efficient with a Uniform Energy Factor of 0.93. WebApr 6, 2015 · April 6, 2015 0 Comments. ... If you are going to buy an electric water heater, it’s recommended that you look for one with an Energy Factor equal to .93 or greater. … WebAug 17, 2024 · Recently the DOE has introduced a new metric for communicating the energy efficiency of residential water heaters called the Uniform Energy Factor (UEF), replacing the previous Energy Factor (EF). Manufacturers were required to report and share UEF numbers by June of 2024. UEF only applies to residential water heaters. cherche magasin de meuble