Air conditioners; Air conditioning apparatus; Air conditioning units; Air cooling apparatus; Air-conditioning, air cooling and ventilation apparatus and instruments; Space heating apparatus; Wall-mounted apparatus for air heating, cooling, and dehumidifying; Convection heaters; Electric radiant heaters for household purposes; Electric heaters for household use; Hot water heating installations; Water heaters for residential use; Heating systems composed primarily of tubes, pipes and manifolds through which warm or high temperature water circulates; Heating systems composed primarily of tubes, pipes and pre-assembled manifolds through which cold or low temperature water circulates; Water coolers
Environmental Control Apparatus