What about over heating issue with fanless PC?

Zotac have been designing and manufacturing mini PCs since 2006. The ZOTAC fanless series of mini PCs are designed to work in most environments including enclosed areas like inside a cabinet, Kiosks, ceilings … etc. Since its introduction to the Australian market in 2006, more than 20,000 units of Zotac fanless mini PCs have been deployed in different environments without any issue.