The Samsung 15,000 BTU/Hr WindFree 3.0i Wall Mounted Split System has been built to operate at a high level over a long period of time, with a UL94 V0 chasis made from galvanized steel mounting bracket. This unit has WiFi capability as standard, and has the ability to sense dust particulate matter in the air stream, which can be measured and displayed on the unit's display. This model also features WindFree mode which prevents cold drafts from being directed at users.