The answer to 'types of air conditioner' is that there are several main types of air conditioning systems for homes and businesses. The most common are central air conditioners, window units, and ductless mini-split systems. Central air conditioners are the most popular option, with an outdoor compressor/condenser unit connected to indoor air handling units that circulate cool air through ductwork. Window units are self-contained and installed in a window, providing cooling for a single room. Ductless mini-splits have an outdoor compressor unit connected to one or more indoor air handling units, allowing for zoned cooling without the need for ductwork.
Each type of air conditioner has its own advantages and is suited for different home sizes, layouts, and budgets. Factors to consider when choosing an air conditioning system include the size of the space, energy efficiency, installation requirements, and long-term operating costs.