Getting a custom measured window insert cut to fit the shape of the window a c unit will block window air conditioner street noise.
How to reduce noise from window ac.
Be sure all the mounting screws are present and are tightened properly.
If the window frame is vibrating fill the gap with wooden shims or with foam weatherstripping applied to the a c frame where it meets the window frame.
You should tighten the screws holding the front panel onto the unit.
If the noise is coming from inside the window unit check for twigs leaves or other debris.
If adjacent windows rattle tighten and if necessary apply new putty or caulking to cancel vibrational noise.
For vibration noise in the a c case or the window.
Get a newer and better ac unit that creates less noise.
Soundproof your current ac unit with that being said it s entirely possible to soundproof your current ac unit to a point when it doesn t annoy your neighbours or yourself.
Use spray foam or caulking to fill small cracks or openings.
They are made of acrylic which blocks better than glass and surrounded by tubing on all sides.
You should then turn the window air conditioner on and press your hand against the sash.
Wipe clean or vacuum the unit to remove dirt and debris.
The noise a window a c unit makes does vary between manufactures but there is somethings you can do to help get rid of unwanted noise.
If you have any tips let us know in the comments below.
Tips to help quiet down a window air conditioning unit.
If you find that as you press your hand against the sash the sound changes in pitch then you should put some wooden shims in the gap between the window air conditioners frame and the sash.
It s definitely much cheaper than getting a new air conditioner.