A <strong style="color: #f8faff; font-family: DeepSeek-CJK-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans', Ubuntu, Cantarell, 'Helvetica Neue', Oxygen, 'Open Sans', sans-serif; font-size: 16.002px; background-color: #292a2d;">window air conditioner is a compact cooling unit designed to fit into a window frame, providing efficient air conditioning for single rooms. It combines all components&mdash;compressor, condenser, evaporator, and fan&mdash;into one enclosed box for easy installation. Ideal for small to medium spaces, it offers adjustable cooling settings, energy efficiency, and simple maintenance. Its space-saving design makes it a popular choice for apartments, offices, and homes without central AC.