Updated: Oct 27
In the field of Paranormal Investigation there are a wide array of technologies that are often utilized in order to collect evidence.
One piece of tech that is often utilized is Thermal Imaging.
The primary use of this tech is to try and substantiate claims of a phenomenon called "cold spots" that is often attributed to the presence of a spirit, or ghost.
The good news is that if you intend to use Thermal Imaging in this way, you can very well put your financial resources to other purposes. As thermal imaging is utilized in away that allows the image to filter out the frequency range at which air radiates heat.