What Makes Each Type Suitable for Your Home?
Choosing between a wall-split, cassette, or multi-split system is not just about price — it depends on room layout, ceiling type, lease restrictions, and daily usage hours. In Singapore, where temperatures rarely drop below 24°C even at night, air conditioning accounts for roughly 40% of a typical household's electricity bill.
Wall-mounted splits dominate the HDB market because they are simple to install, easy to maintain, and available at every major retailer on the island. Brands such as Daikin, Mitsubishi Electric, Panasonic, and LG all manufacture units calibrated for Southeast Asian humidity levels.
For condominium owners with false ceilings in the living room, a cassette unit offers a cleaner aesthetic and more effective distribution of cooled air across wider open-plan spaces. For whole-apartment coverage, a multi-split system with one outdoor unit and multiple indoor heads is increasingly the preferred choice in new developments.
HDB tenants: Any AC installation or replacement must be approved by the landlord and comply with HDB's guidelines on approved contractors and pipe routing. Unauthorised modifications to refrigerant piping or the electrical supply can result in fines and mandatory reinstatement costs.