This is not a Do-It-Yourself job.
Because refrigerant is very dangerous to handle - you could suffocate yourself or someone else in the room - you need to have the right tools and test equipment and must have been trained so that you know what you are doing.
Any air conditioning unit that has developed a fault must be thoroughly checked by an expert to ensure that a) it is running safely and b) there are no leaks of refrigerant. Call a Licensed Heating, Ventilation and Air Conditioning (HVAC) Technician.
Remove the air conditioner from the wall or from the window place it on the ground remove the covers get the hose out and hose the back of the air conditioner off, if it is a older unit it could be heavy depending on the size.
Kits for automobiles are available, kits for window air conditioners are not. You will need to take it to a repair shop or replace it.
One way would be to remove the window panel from the enclosure and build a frame to fit the air conditioner tightly into the hole.
You can move your window air conditioner anywhere you want to put it as long as it sits in the window.
No, it is not possible to recharge a window air conditioner.
There is no such product as an air conditioner window. However, you can buy a used window air conditioner on eBay or Craigslist. You can also check the classifieds in the local newspaper.
Nope
No, it is not possible to use a window air conditioner without a window, as the unit requires a window for proper installation and ventilation.
Heat will flow from the coolant to the air The coolant will absorb the heat from the building.
AntiFreeze
No, you cannot recharge a window air conditioner with refrigerant yourself. It requires a professional technician to properly recharge the refrigerant in an air conditioner.
To install a window air conditioner using a mount kit, follow these steps: Measure the window opening to ensure the air conditioner fits. Attach the mounting brackets to the window sill and frame. Place the air conditioner on the brackets and secure it in place. Use the included hardware to secure the unit to the brackets. Plug in the air conditioner and test it to ensure it is working properly.