(edenpure) edenpure))Purchase the latest heating unit released in 2010, the EdenPURE U.S. 1000 at http://www.edenpurestore.com/ Made for Americans by Americans here in the USA . The US 1000, features an all new metal housing for added durability and Sylvania Quartz heating elements for an overall efficient heat output covering up to 1000 square feet. Distributed by Tubemogul.