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.
Isle Of South Uist
South Uist is the second-largest island of the Outer Hebrides in Scotland. At the 2011 census, it had an usually resident population of 1,754: a decrease of 64 since 2001. The island, alike with the remainder of the Hebrides, is among the last continuing to be strongholds of the Gaelic language in Scotland and the population-- South Uist's citizens are recognized in Gaelic as Deasaich (Southerners)-- has to do with 90% Roman Catholic. The island is house to a nature book and a number of sites of historical rate of interest, including one which is the just location in Great Britain where ancient mommies have been discovered. In the northwest, there is a rocket testing array. In 2006 South Uist, together with neighbouring Benbecula and Eriskay, was involved in Scotland's biggest-ever neighborhood land acquistion.