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.
Antrim
Translating as 'lone ridge', Antrim is a town and civil parish within County Antrim in the northeast of Northern Ireland. It is in on the banks of the Six Mile Water, half a mile from Lough Neagh. It's the county town of County Antrim and before this, was the administrative centre of Antrim Borough Council. There are several divisions and suburbs of Antrim, a few of which include Ballycraigy, Carnbeg, Caulside, Dublin Road, Greenvale, Greystone, Islandbawn, Meadowlands, Muckamore, Newpark, Niblock, plus the Folly. Boasting a population of 20001, Antrim is categorised as a large sized town by the Northern Ireland Statistics and Research Agency. Of this population, 23.1 percent were below 16 years old and 15.7 percent were aged 60 and over. 48.6 percent of the population were male and 51.4 percent were female. A variety of buildings inside the town are historically significant, especially close to the High Street. Some of these buildings are the courthouse, a 19th-century smithy on Bridge Street, which includes a unique horseshoe entrance, Shane's Castle and Antrim Castle, the Castle Grounds, plus the Springfarm Rath. Renovations to Antrim Market House, a 2-storey building which is 9 bays long, 3 deep, built in 1726, are currently taking place. This will contain Antrim Information Centre, relocating it from its spot on the High Street, and also a multi-functional auditorium in an effort to provide an area for many functions, such as theatre and music productions. Because the town is around the banks of a river, the linen business was prominent in Antrim, although this was impacted by the decline in the industry over the 20th century. It has been replaced by Northern Ireland's Technology Park. For all of your home upgrades, ensure that you employ trusted specialists in Antrim to ensure you get the very best quality.