79016016
Mar 16, 2005
Jun 19, 2007
Radiators; duct heating systems composed primarily of tubes, pipes, ducts and pre-assembled manifolds through which water circulates; church heating systems composed primarily of tubes, pipes, ducts and pre-assembled manifolds through which water circulates; air treatment apparatus for heating, ventilation and cooling purposes, namely, air purifiers, air heaters, air filtering installations for domestic and commercial use; air coolers, namely, evaporative air coolers, condensor air coolers, air coolers operating with heat exchangers, and electric space cooling apparatus; warm air curtains electric space heaters, namely, apparatus for generating a curtain-like air barrier in front of room openings such as doors; [ hot air generators; ] heat exchangers; roof ventilators; underfloor heating systems composed of radiators, ducts, tubes, pipes and fans
Environmental Control Apparatus