Aire acondicionado de ventana
Window air conditioners remain the most popular choice for cooling individual rooms.
How Window AC Units Work
A self-contained unit in a window frame. Front blows cold air in, back expels hot air outside.
Pros and Cons
Advantages
- Most affordable AC type
- Easy DIY installation (15-30 min)
- Good cooling for single rooms
- Many Energy Star models
- No floor space needed
Disadvantages
- Blocks part of window
- Can be noisy (40-60 dB)
- Not suitable for casement windows
- Less aesthetically pleasing
- Security risk if unsecured
Choosing the Right Size
Don't choose the wrong BTU. Undersized struggles, oversized short-cycles.
Energy Efficiency Tips
Look for Energy Star. Higher EER = lower costs. Programmable timer saves 20-30%.
Installation Basics
Fits double-hung windows 23-36 inches wide.
Maintenance
Clean filter every 2-4 weeks. Clean coils at season end.