- Kalfrisa manufactures a range of products in the following categories:
- Energy recovery: DRI; convection recuperators; convection exchangers and radiation recuperators.
- Air heating: compact heaters; modular heaters; start-up heaters; agricultural process heaters; hot air generators.
- Emissions treatment and control: regenerative thermal oxidation; recuperative thermal oxidation; complementary systems; emissions measurement services.
- Waste recovery: solids and liquids.
- Thermal waste disposal: industrial waste; agricultural waste; hospital waste.
- Kalfrisa is an industrial company that offers a comprehensive service including design, manufacture, assembly, commissioning and maintenance of our equipment. Our technological solutions are based on two key issues: energy saving and environmental protection, for which we work in the following sectors:
- Energy recovery for high-temperature processes.
- Process air heating for industrial applications.
- Treatment and elimination of polluting emissions.
- Waste recovery.
- Thermal treatment of waste: agricultural, industrial and hazardous. Incineration processes.
- We are backed by 60 years of experience, during which we have worked tirelessly to combine passion with innovation, demonstrating our care and attention to our customers' demands.
- AD 2000-MERKBLATT HP0
- ISO 3834-2
- ASME
- ISO 9001
- Sello de Pyme RSA (Responsabilidad Social de Aragón 2023)
- Kalfrisa's wide range of products means that it focuses on a wide variety of sectors:
- Food and beverages.
- Automotive.
- Pharmaceuticals.
- Flexography and printing.
- Frit.
- Metallurgy: DRI, steelmaking, aluminium smelting furnaces.
- Oil & gas.
- Paper and pulp.
- Paints and varnishes.
- Chemicals.
- Sulphuric acid production.
- Biogas synthesis.
- Textiles.
- Waste treatment: industrial waste, hazardous waste, recovered solid fuel (RSF), hospital waste, agricultural waste.
- Glass.










