Putting an AC (air conditioner) in front of another air conditioner for added cooling effect is not a recommended practice and can lead to inefficiency and potential damage to the units. This approach will not work as intended and is not worth trying at home.
The reason why this approach is ineffective and potentially harmful is that air conditioners work by removing heat from the indoor air and expelling it outside. When you place one air conditioner in front of another, you create a situation where the exhaust air from the first unit is blown directly into the second unit. This exhaust air contains heat and moisture, which will interfere with the second air conditioner's cooling process.
Consequently, the second air conditioner will have to work harder to cool the incoming air because it will already be preheated by the exhaust air from the first unit. This extra workload will increase energy consumption and put unnecessary strain on the components of the second air conditioner, leading to reduced efficiency, potential overheating, and premature wear and tear.
If you're looking to improve cooling efficiency, there are more effective and safer methods to achieve this:
Proper insulation: Ensure that your home is well-insulated to prevent heat gain from outside and keep the cool air inside.
Sealing air leaks: Seal any gaps or cracks in doors and windows to prevent warm air infiltration.
Use fans strategically: Circulate air using fans to improve air circulation and distribute cool air throughout the room.
Shade windows: Use curtains, blinds, or awnings to block direct sunlight from entering your home, reducing heat gain.
Maintain your air conditioner: Regularly clean and maintain your air conditioner to ensure it operates efficiently.
Consider upgrading to a more efficient unit: If your air conditioner is old and inefficient, consider investing in a newer, more energy-efficient model.
In conclusion, placing an AC in front of another air conditioner for added cooling effect is not a viable or safe solution. Stick to proper maintenance and energy-efficient practices to ensure your air conditioner works optimally without causing any damage. If you're looking for additional cooling capacity, consider consulting an HVAC professional to determine the best solution for your specific needs.