Personalized ventilation with embedded air treatment system for simultaneous cooling and sorption-based carbon and humidity capture

•Air decarbonization & dehumidification are embedded in personalized ventilator device.•Device relies on adsorption air treatment & Peltier effect for cooling & desorption.•Optimal design and control strategy are proposed for energy efficient implementation.•Device constructed for validation of model used in optimized design & operation.•The device saved 58 % in energy use compared to conventional personalized ventilation.