Hi, i just wanted to ask, My developer actually included 2 concealed aircond piping for the new house, the spec they give is:

(1.5hp/2.0hp, 1/2???, 1/4???, copper pipe 0.61mm)

The heck i got no idea what it is, bring to 3 aircond shop let them see all tell me diff story, seng heng say only can fit sharp and panasonic 1.5hp/2.hp model, D'Legend more terror say any aircond as long is not inverter also can fit, the electrical shop next to d'legend say only hitachi can use with that tubing size????

Help pls