WebIn general, ENERGY STAR certified conventional gas and electric water heaters have UEF ratings between 0.65 and 0.95 — or 65 to 95 cents on the dollar — while hybrid electric … WebWater Heater Efficiency Guide These tables list the minimum uniform energy factors required by federal regulations for some of the most common types and sizes of water heaters. Consumer Gas-Fired Instantaneous (> 50,000 Btu/h, ≤. 200,000 Btu/h) - Minimum UEF* Volume (gallons)

Condensing Tankless Water Heaters - ruud.com

WebWhen selecting the best type and model of water heater for your home, consider the following: Fuel type, availability and cost. The fuel type or energy source you use for water heating will not only affect the water heater's annual operation costs but also its size and energy efficiency. See below for more on selecting fuel types. WebA higher UEF means a water heater is more energy efficient and will cost less to operate compared to other water heaters in the same bin. A water heater’s UEF can only be compared with water heaters within the same bin. list of free ebooks

Energy Efficiency - ENERGY STAR® Bradford White

WebUEF=0.81 to 0.91 tankless water heaters qualify for a $150 rebate. UEF=0.92 or higher tankless water heaters qualify for a $200 rebate. ... replacing existing natural gas … WebWater heating makes up 20% of your energy bill. Replace your hot water tank with a high-efficiency gas model to save money and earn cash back. By heating water only when it’s … WebThe threshold to qualify for Energy Star certification is about to increase. Gas Fired Instantaneous (aka tankless) Water Heater manufacturers must achieve a UEF (Uniform Energy Factor) greater than 0.95 on units manufactured as of April 18th, 2024 in order to be certified with EnergyStar 5.0. imaging detector