Condo aircon installation commonly uses System 2 or System 3 split air conditioning systems, depending on the number of rooms and cooling requirements. Inverter aircon systems are often preferred for condos due to their energy efficiency, quieter operation, and ability to maintain stable indoor temperatures. Space and noise considerations are important, as outdoor condenser placement is usually restricted to designated ledges or service yards. In addition, most condominiums impose limits on condenser size, quantity, and operating noise levels, which must comply with MCST and building management guidelines before installation.