Using a thermal imaging camera and under the right circumstances, it’s possible to find hidden water and moisture issues without resorting to destructive testing Thermal imaging makes hidden moisture visible by spotting temperature anomalies caused by water leaks, damp insulation, and concealed piping There are many sources of building moisture, including humidity (during any season.
UTi712S Handheld Thermal Imaging Camera at light weight
This guide explains how thermal cameras work and why they are an essential tool for water leak detection.