Systems and methods for operating a vending machine and/or kiosk. The methods comprise: detecting a presence of a person in a seat of the vending machine; obtaining a full or partial body heat map for the person that was created based on sensor data generated by at least one sensor of the vending machine or at least one sensor located in proximity to the vending machine (the full or partial heat map showing relative temperatures of different parts of a body of the person); selecting at least one vending service parameter for the vending machine using information obtained based on the full or partial body heat map; and causing the vending machine to provide the person with a vending service in accordance with the at least one vending service parameter that was selected.