Archived - Standard Industrial Classification - Establishments (SIC-E) 1980

• E - Manufacturing Industries
• 30 - Fabricated Metal Products Industries (except Machinery and Transportation Equipment Industries)
• 307 - Heating Equipment Industry

3071 - Heating Equipment Industry

Establishments primarily engaged in manufacturing major heating apparatus except power boilers. Secondary products of establishments in this industry include domestic water heaters, space heaters, air conditioning units, combination heating and cooling units (except heat pumps), fans (except industrial) and steel heating boilers. Establishments primarily engaged in manufacturing domestic water heaters are classified in 3311 - Small Electrical Appliance Industry those primarily engaged in manufacturing air conditioning equipment (except window type) are classified in 3121 - Commercial Refrigeration and Air Conditioning Equipment Industry those primarily engaged in manufacturing industrial furnaces and kilns and ovens are classified in 3199 - Other Machinery and Equipment Industries n.e.c. and those primarily engaged in manufacturing power boilers are classified in 3011 - Power Boilers and Heat Exchanger Industry.