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.
Macduff
Macduff is a town in the Banff and Buchan area Aberdeenshire, Scotland. It is positioned on Banff Bay and deals with the town of Banff across the estuary of the River Deveron. Macduff is a former burgh and was the last area in the United Kingdom where deep-water wood fishing watercrafts were developed. The negotiation of Doune (from Scottish Gaelic dùn, "hill fort") was acquired in 1733 by William Duff, that ended up being the initial Earl Fife. In 1760, James Duff, the second earl, developed a harbour there and in 1783 was successful in elevating Doune to the standing of a burgh of barony, relabeling it "Macduff" after his expected ancestor. The second Earl Fife appointed his element, William Rose, as the first Provost of Macduff in 1783. The community celebrated its bicentenary in 1983, as well as the signs set up because year still stand on the major methods to the town (most noticeably, a huge sign next to the Banff Bridge on the Macduff side). Banff and also Macduff are divided by the valley of the River Deveron. This uncertain river was ultimately subjugated by the 7 curved bridge completed in 1799 by John Smeaton. An earlier bridge had actually been integrated in 1765, yet was swept away in 1768. The old ferry was restored right into use, until it was lost in a flood in 1773. Early location prehistory appears by the close-by ancient monolith at Longman Hill, a large long barrow somewhat to the southeast of Macduff.