Some of the market sectors with attractiveness for waste heat recovery include:

• Gas pipeline compressor stations
• Oil and gas extraction
• Petroleum and coal products manufacturing
• Cement plants
• Chemical plants
• Ethanol plants
• Pulp and paper mills
• Steel and metal manufacturing and refineries
• Glass manufacturing and melting
• Incinerators
• Brick manufacturing
• Artificial synthetic fibers, rubber, and resin manufacturing

At a particular industrial site, some of the potential sources of waste heat include:

• Boilers
• Process heaters
• Furnaces, ovens, or kilns
• Flares
• Conductive, convective, and radiative losses from hot equipment surfaces
• Conductive, convective, and radiative losses from heated product streams
• Hot combustion gases otherwise discharged to the atmosphere
• Natural gas pipeline compressor
• Other natural gas-fired turbines or oil-fired turbines
• Reciprocating engine exhaust
• Cooling water from furnaces, air compressors, and internal combustion engines