GB 19577-2015: Minimum allowable values of energy efficiency and energy efficiency grades for water chillers Delivery: 9 seconds. Download (and Email) true-PDF + Invoice. Newer version: (Replacing this standard) GB 19577-2024 Get Quotation: Click GB 19577-2015 (Self-service in 1-minute) Newer / historical versions: GB 19577-2024 Preview True-PDF (Reload/Scroll-down if blank)
