This Standard covers clothes drying appliances for households included within the scope of the U.S. Department of Energy (DoE) and Natural Resources Canada (NRCan) minimum energy performance requirements. This includes the following product categories: a) electric clothes dryers; and b) gas clothes dryers. The clothes dryers covered by this definition include: a) vented gas; b) ventless or vented electric (Standard)@ 124.6 L (4.4 ft3) or greater capacity; c) ventless or vented electric@ compact (120 V) (less than 124.6 L (4.4 ft3) capacity); d) vented electric@ compact (240 V) (less than 124.6 L (4.4 ft3) capacity); and e) vented electric@ compact (240 V) (less than 124.6 L (4.4 ft3) capacity). This Standard excludes water-cooled electric ventless clothes dryers.