< COMPRESSORIZED PRODUCTS Cascade NH₃ - CO₂ Units Compressor brand: HOWDEN, BITZER, SRM Tec, etc.Technology: ScrewNatural refrigerants Ammonia, with a GWP of zero, and CO2, GWP of one.Power and speed adapted to customer needsCondensation by air or waterTwo choices of cascade exchangersSpray ChillerCathedral cascade (separating bottle LP + condenser flask)Option for heat recovery on condensation, de-superheating and oil cooling.