77460390
Apr 29, 2008
Aug 2, 2011
Heating, cooling and ventilating apparatus, namely, gas furnaces, gas and electric radiant heaters, gas conversion burners for commercial and domestic use, heat pumps, air conditioning units, condensing units for use with air conditioners, cooling evaporator units, evaporator coils, dehumidifiers, central humidifiers, central household air cleaners, furnace boilers and heat exchangers not being parts of machines
Environmental Control Apparatus