CertaOne precision air conditioners are highly efficient, safe and reliable with innovative cutting edge features which make them an excellent choice for medium and high density data centre cooling solutions. Our Series air conditioners are designed for installation between IT racks and closely couple with heat sources to supply in-row cooling for medium and high-density data centres. CertaOne  Series are chilled-water precision air conditioners that interoperate with chillers, chilled water pumps, and piping to form a complete cooling system.