ColdHubs Limited is a Nigerian cleantech company that provides solar-powered walk-in cold storage units for smallholder farmers. Their innovative refrigeration solutions help reduce post-harvest losses by preserving fresh produce 24/7 without electricity. Founded in 2015, ColdHubs serves farming communities across Africa through their pay-as-you-store model, extending shelf life from 2 to 21 days while promoting food security and economic empowerment.