Difference between Central Air Conditioning and a Window Unit

Central air conditioning and window units are two common methods of cooling residential or commercial spaces. While both serve the purpose of cooling the indoor environment, there are several key differences between the two systems.

Feature	Central Air Conditioning	Window Unit
Installation	Professional installation	Self-installation
Cooling Capacity	Large areas/multiple rooms	Individual rooms
Energy Efficiency	More energy-efficient	Less energy-efficient
Cost	Expensive installation	Affordable
Aesthetics	Less visually obtrusive	Occupies window/wall
Flexibility	Stationary	Portable
Noise	Less noise indoors	Can be noisy

Please note that this table is a simplified summary, and there may be variations and additional factors to consider based on specific models and configurations.