If those are not available, get the person suffering from heat exhaustion in front of a fan. [substeps] Keep the person with heat stroke in a cool environment while they hydrate and allow their body temperature to regulate.
[header] How to deal with heat exhaustion [title] Get to a cool place. [step] Do whatever you can to cool the person suffering from heat exhaustion. If possible, get the person suffering from heat exhaustion to shade or an air conditioned building.