gingerbelle 0 Report post Posted April 30, 2012 hi all, my current MBR is using system 1. I want to install 2more aircon in my other 2bedrooms. Do i go for system 2 or change all to new aircon to system 3? pls advise. thks. Share this post Link to post Share on other sites
matrix0405 0 Report post Posted May 2, 2012 Just got for system 2. Why change the one in MB when it is working? Share this post Link to post Share on other sites
