A method for cleaning a cooking range exhaust system includes, in response to receipt of a start signal at a control box of a cooking range exhaust cleaning system to initiate a cleaning operation, causing a cleaning solution comprising a mixture of detergent and water having a ratio based on a target mixing ratio to be provided to a supply line, and causing an electronically-controlled valve to open to facilitate provision of the cleaning solution to a nozzle coupled to the electronically-controlled valve via a conduit for a predetermined period of time, wherein the nozzle is arranged to spray a zone of the cooking range exhaust system.