This class includes: - manufacture of electrical and other industrial and laboratory furnaces and ovens, including incinerators - manufacture of furnace burners - manufacture of central heating boilers, solar water heaters and similar equipment - manufacture of household cooling and ventilation equipment
This class also includes: - manufacture of mechanical stokers, grates, ash dischargers, etc. - manufacture of generally non-reversible heat pumps (only working in one direction), mainly used for space heating or for domestic hot water supply
This class excludes: - manufacture of electric ovens for domestic use, see 27.51 - manufacture of table, floor, wall, window, ceiling or roof fans, see 27.51 - manufacture of dryers for agricultural products, see 28.93 - manufacture of baking ovens, see 28.93 - manufacture of dryers for wood, paper pulp, paper or paperboard, see 28.99 - manufacture of medical, surgical or laboratory sterilisers, see 32.50 - manufacture of dental laboratory furnaces, see 32.50