Centralized chilled water cooling system can never work in residential units one la, much worse for HDB which need to keep costs low for more affordable housing. Hence it's already designed to fail.
Firstly, in SG with farked up ranjiao super humid weather, the design must first resolve the condensation issues which only commercial design can achieve.
Commercial units are customers (tenants) comfort first with more consistent and predictable operating times. Their centralized chilled system is designed to be applied across large floor spaces with centralized ceiling blower units which has less variation in cooling timing during office or opening hours. Hence the temperature in chilled pipes is more stable and better controlled and power savings can be achieved through sheer economies of scale with proper cooling.
Whereas for HDB, the design need to keep costs low and HDB under the guise of 'Sustainable Design' to reduce carbon footprint, imposed all kinds of ranjiao cost-savings KPI pressure on SP Group/Daikin to meet their Green agendas without giving due diligence to the well-being of residents. As a result, many units did not have proper insulations with leaking issues.
Coolie-gene residents also have unpredictable operating times which makes load distribution extremely difficult to operate with pipes going into individual pigeon hole units with own blowers in each room, unlike hotels or commercial offices/units. Hence many residents experienced ridiculously long time to cool.
If they want faster cooling, will Jiak Dian, need to activate compressors/chilled water pump to work harder to draw more power, which defeats the whole purpose of the centralized chilled system. So all have to GG together and farked big time in the arse til shiok shiok.
So this great variance in temperature across different pigeon hole units will logically cause some units near the cooling towel to have sudden super cold pipes compared those further away with no practical way to control the condensation, so sure Hong kanz one hence you get free Holy Waterfall feature here.
This whole farking project should be stopped with all pipes dismantled and full compensation given to all owners. Heads must roll for those jiakliao bee farkers at HDB who came out with this ranjiao idea.
