这种问题打个电话给HDB就能得到最权威的答复。要不问一下谷哥。
What is the maximum number of air-cons I can install in my flat?
[Living in HDB Flats > HDB Renovation Guidelines > Electrical / Aircondition Works]
A:
If your HDB flat has a 40 amps main switch and not provided with an external air-con ledge:
1. You can install a maximum of 2 air-con condensing units (split type).
2. The maximum weight of each condensing unit cannot be more than 110kg.
3. You can only mount one air-con condensing unit on each external wall panel.
If your HDB flat has a 40 amps main switch and provided with an external air-con ledge:
1. You can install a maximum of 2 air-con condensing units (split type).
2. The maximum weight of each condensing unit cannot be more than 110kg.
If your HDB flat has a 30 amps main switch:
1. The total running current of the air-conditioners should not exceed 8.5 amps.
2. You can only mount one air-con condensing unit on each external wall panel.
3. The maximum weight of each condensing unit should not exceed 80kg.
Please refer to the Guidelines on Air-Con Installation Works for details.