Relacker 1 Report post Posted November 29, 2009 i got sys 3 and another sys for living rm. the sys 3 is 900 btu for 3 rooms and the other 1200. but most of time only use 900 btu one, i like to now if possible for air con tech to install a switch such that i can switch between using 900 btu one and 1200 btu one. cos the 1200 btu compressor most of time is left unuse unless guest come visit. i feel wasted since so poweful and also exp. Share this post Link to post Share on other sites
