NO - as air conditioning systems use fluorinated gases as refrigerants, all work on them must be done by professionals holding valid F-Gas certification. There is a range of different qualifications and certifications that apply for this, so it's always best to ask someone who is qualified to do this.
Tarbert
Tarbert is a town in the west of Scotland, in the Argyll as well as Bute council location. It is developed around East Loch Tarbert, an inlet of Loch Fyne, and also extends over the isthmus which connects the peninsula of Kintyre to Knapdale and West Loch Tarbert. Tarbert had actually a recorded population of 1,338 in the 2001 Census. Tarbert has a lengthy history both as a harbour and as a strategic point player access to Kintyre and also the Inner Hebrides. The name Tarbert is the anglicised kind of the Gaelic word tairbeart, which essentially equates as "carrying across" and also describes the narrowest strip of land between two bodies of water over which products or entire watercrafts can be brought (portage). In freights were released from vessels berthed in one loch, hauled over the isthmus to the various other loch, loaded onto vessels berthed there and shipped forward, allowing seafarers to prevent the sail around the Mull of Kintyre. Tarbert was anciently part of the Gaelic overkingdom of Dál Riata as well as shielded by 3 castles-- in the village centre, at the head of the West Loch, as well as on the south side of the East Loch. The ruin of the last of these castles, Tarbert Castle, still exists and also dominates Tarbert's sky line. Around the year 1098 Magnus Barefoot, King of Norway, had his longship brought across the isthmus at Tarbert to signify his ownership of the Western Isles. In spite of its difference as a calculated fortress during the Middle Ages, Tarbert's socioeconomic prosperity came throughout the Early Modern period, as the port turned into a fishing community. At its elevation, the Loch Fyne herring fishery drew in numerous vessels to Tarbert.