<a href="//commons.wikimedia.org/w/index.php?title=Air_conditioner&amp;action=edit&amp;redlink=1" class="new" title="Air conditioner (page does not exist)">Air conditioner</a>, complete with piping, <a href="//commons.wikimedia.org/wiki/Thermal_insulation" title="Thermal insulation">insulated</a> with foamed rubber pipe covering (common refrigeration insulation, along with foamglass).
<a href="//commons.wikimedia.org/wiki/User:Achim_Hering" title="User:Achim Hering">Achim Hering</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>