CO₂ Chillers Give Pro-Refrigeration A ‘Future-Proof Solution’ View Larger Image A Danfoss case story on control systems for PRO Refrigeration’s new PROGreen Solutions CO2 Chiller. Elyssa Robbins2022-01-26T17:44:29+00:00January 26th, 2022| Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail