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Home owners are responsible for the proper installation, safety, and stability of the air-conditioners (casement/ window unit/ split type) in their flat.
If you would like to replace or install an air-conditioner in your flat, you must engage air conditioner installers who have been trained by the Building and Construction Authority. Air-conditioner window units and split-type condensing units must be installed at approved locations, using approved installation methods.
The following guidelines must be followed for air-conditioner installation in conventional flats.
A1 (PDF, 40KB),
A2 (PDF, 46KB),
A3 (PDF, 56KB),
G1 (PDF, 39KB),
G2 (PDF, 49KB)
The following installation guidelines must be followed for flats that have their external surface covered with tiles or other finishes.
Drawings B1 (PDF, 38KB),
B2 (PDF, 38KB)
Check with the HDB Branch managing your block if you need to install an additional compressor unit, or enquire about the location or method of installation for your air-conditioner.
If you wish to change ownership of your flat without a sale (i.e. without monetary consideration), find out more about the types of ownership changes and the eligibility conditions.