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Edwin Ruud (9 June 1854 – 9 December 1932) was a Norwegian-American mechanical engineer and inventor who immigrated to the United States where he designed, sold, and popularized the tankless water heater.
A. O. Smith Corporation is an American manufacturer of both residential and commercial water heaters and boilers, and the largest manufacturer and marketer of water heaters in North America. It also supplies water treatment and water purification products in the Asian market. [ 6 ]
^a EINECS for Proline ^a CID 6148988 from PubChem ^a CID 6137 from PubChem This page was last edited on 12 April 2023, at 11:38 (UTC). Text is available ...
He developed the first automatic storage tank gas-fired water heater, which went into production in 1889. [35] Ruud worked for George Westinghouse (1846–1914), but eventually bought the rights to produce the product he invented and formed his own company in 1897.
Bradford White claims this approach ensures proper and safe installation of its water heaters, and also prevents code violations. In 2006, in a report by J.D. Power and Associates, Bradford White was ranked highest in subcontractor satisfaction of water heater brands. [1]
Direct electric resistance tank water heaters are not included in the Energy Star program; however, the Energy Star program does include electric heat pump units with energy factors of 200% or higher. Tankless gas water heaters (as of 2015) must have an energy factor of 90% or higher for Energy Star qualification.