Am writing a post here as I felt the service rendered by Cool Air Pte Ltd (purchased a groupon voucher to service 3 of my aircon units) was below par. At first I thought that was the way to service aircon as I've never have any prior experience with aircon servicing. But today, Vapour came to service my units and the service was so so different. Cool Air man came and only took out the filters and vacuum the fan coil, the person even told me that I can do it myself as the internals are not too dirty (but aircon has been used for 6 months). Though at that time, I was rather surprised that that's all it is, I didn't suspect anything. In contrast, Vapour service man took off the cover, unscrew some parts of the aircon, removed the internal part (blower wheel I supposed that what's it's called) to wash, wipe and vacuum the inside of the unit. I think they did the real cleaning job. Hope to share this so that more people will know what aircon servicing is about. I've learnt a lesson here and hope to share this with more people.