What is the definition of a multi split system? This type of system is an all-in-one air conditioning solution that allows you to control multiple rooms with the same air conditioning unit. A multi split system can be used to cool or heat multiple rooms, making it an ideal choice for larger homes or businesses. The main difference between a multi split system and a single split system is that each indoor unit is connected to a single outdoor condensing unit. This allows for greater flexibility and energy efficiency, as each room can be cooled or heated separately. Each indoor unit is controlled by its own thermostat, allowing for personalized temperatures in each room. This type of system is also more efficient than traditional systems, saving homeowners money on their energy bills. The cost of installation for a multi split system is usually higher than for a single split system, but the long-term savings can be worth the initial investment. Multi splisplit systems are typically easier to install than traditional systems, making them a popular choice for