DIRECTLY CONDITIONED SPACE

DIRECTLY CONDITIONED SPACE is an enclosed space that is provided with wood heating, is provided with mechanical heating that has a capacity exceeding 10 Btu/hr-ft², or is provided with mechanical cooling that has a capacity exceeding 5 Btu/hr-ft²,  unless the space-conditioning system is designed for process space or process load. (See “process load” and “process space.”)