mitsubishi i bought.... mr.slim... last for years! had one in my parents house.... 10 years + still functioning... of course with maintenence la...

masterbed room at least 1.5HP. living room 2HP is best. other smaller rooms 1HP ngam.

panasonic inverter installation cost a bomb.... but in actual fact do u save in the long run i dunno... cause i dont on my aircond always. only very hot nights....