Profile: Howard Services Inc. renders heating, air conditioning and refrigeration services. We specialize in replacement and installation of carrier heat pumps with the new earth friendly Puron refrigerant. We offer air duct cleaning services for all types of commercial, industrial and residential ductwork, including the air handling equipment, evaporator coils, blower assemblies, diffusers and exhaust fan equipment. These services also include ductwork sanitization and ozone treatment for odor removal.