You can try DW Aircon. This is an experienced air conditioning service provider that has been for over 10 years in Singapore, and has highly qualified technicians in its team. It offers reliable aircon servicing Singapore and the servicemen are really punctual and know their job well. The contractor offers aircon repair Singapore, aircon chemical wash, aircon installation Singapore and many other services that can easily take care of all your needs. It offers services with a 90 day workmanship warranty, and you can understand that it is confident of the quality if assistance that it provides to its customers.