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The eF Series® utilizes exclusive designs and technologies for unsurpassed efficiency, installation flexibility and quiet operation. With thermal efficiencies as high as 99.1%, these units are the most efficient of their kind in the industry and now with several models qualifying for ENERGY STAR®. Last but not least, the eF Series® is extremely quiet, a feature building owners, managers and occupants will appreciate.
Light Duty Power Vent (TTW®) (Through-the-Wall) units are perfect for applications where installation flexibility is as important as meeting hot water demands. Power vented for positive exhaust, these units can be vented horizontally and vertically up to 180 feet.