Americans often put air conditioners in their windows for a couple of reasons:
Cooling efficiency: Window air conditioners are a cost-effective and efficient way to cool individual rooms or small spaces. They are particularly popular in older buildings or apartments that may not have central air conditioning systems. Placing the air conditioner directly in the window allows it to expel the hot air outside while blowing the cool air into the room.
Easy installation: Window air conditioners are relatively easy to install compared to more complex central air conditioning systems. They don't require extensive ductwork or modifications to the building's structure, making them a convenient cooling solution for renters or people who don't want to invest heavily in their home's infrastructure.
Affordability: Window air conditioners are generally more affordable upfront compared to central air conditioning systems, which can involve higher installation and equipment costs. For those on a budget, a window unit provides a more accessible option to beat the heat during hot summers.
Room-by-room cooling: With window air conditioners, you have the flexibility to cool specific rooms as needed. This can help save energy and money by only cooling the rooms that are in use, rather than cooling an entire home.
Urban living: In densely populated urban areas, where apartments and buildings are close together, window air conditioners are a practical solution because they don't take up valuable indoor space.
However, it's worth noting that while window air conditioners are popular for the reasons mentioned above, many modern buildings and homes are now equipped with central air conditioning systems or other more advanced cooling technologies that offer whole-house cooling and increased energy efficiency.