Start by diagnosing the problem to make sure low refrigerant is the issue.
													
																	Put freon window air conditioner. 
									
	
		
	
																	While this task is usually performed by a refrigeration mechanic a lay person can complete it by purchasing a freon kit. 
																	Loosen the yellow tubing at the gauge for just a second and then tighten it back up. 
																	It s possible to add freon to your air conditioner unit yourself but you ll need some general knowledge about acs and a few specific tools to do it correctly. 
																	Recharging the refrigerant on a window air conditioner is not something done often with most people buying a new unit when an old unit fails. 
															
													
									
	
		
	
																	This will release air from the tube. 
																	How to recharge your home air conditioner. 
																	Adding freon to a window air conditioner involves cleaning the air conditioner attaching a new freon container and allowing it to intake new freon until the container is drained. 
																	The process can be dangerous so hire a qualified professional if you feel unsure about what to do.