Window Air Conditioner Street Noise

The only fix for the flapper is to close it so that the air conditioner only recirculates air rather than bringing in fresh outside air.
Window air conditioner street noise. Are you talking about your own window air conditioner. During the summer remove the lower insert and install the window a c unit. It that is the case this is clearly an issue when the ac unit is off and not in use. Second window air conditioner street noise solution.
The fan stays on all the time nicely drowning out wiht delightful white noise the sound or lack thereof from the compressor s cycling. The compressor and the fan are combined in a single unit and mounted in the window air conditioners and this is the source of all the noise in the air conditioner. Create two window inserts that fit into your window frame without an a c unit in place. The 2 biggest noise culprits will be the plastic accordion side panels that allow the air conditioner to fit a variety of windows and the flow through flapper that brings in outside air.
These window inserts will be separated by a mullion. So in that case make a cover out of the foam board to put in front of the ac unit when it is not in use. The other causes of noise could be worn bearings cabinet rattles dirty or rusty fan blades worn rubber mountings and compressor wear. Basically it consists of a fan and a compressor.