Split AC installation, dismantling and installation of split ACs, maintenance of split ACs, cleaning of split ACs, extension of copper for split ACs, installation of cabinet ACs, dismantling and installation of cabinet ACs, installation of cassette ACs, dismantling and installation of cassette ACs, installation of ducted ACs, dismantling and installation of ducted ACs, extension of American or Korean copper in all sizes, filling with American or Indian freon 22 or 410 or 32.