Hi
I am looking for 2 air condition 1 Hp for small room and 1.5 Hp for master bed room for my condo in Taman Melati Setapak near UIA. I would like to have few questions

1. Which is brand is the quietest air condition. I am confused with york which is popular with Panasonic which quite popular but less cold and mitshubishi?? What is your recommendation.
2. Longest warranty
3. The price of installation, pipping, wall hole works?? as the small room is not air condition ready..