How Do You Add Refrigerant To A Home Air Conditioner?
Air conditioners need coolant added every year or when the unit stops producing cold air. You can pick up a kit at your local home improvement store and do it yourself and save money. The kit and process is similar for larger central AC units, but only intended for window air conditioners as large central AC units should be checked yearly along with the furnace for maintenance and safety issues by a professional. Remove the air conditioner from the window, but leave it plugged in. Locate the larger of the two lines that come off of the compressor (a metal cylinder). Plug the service valve (the larger valve connector in the Freon kit) into the line as shown in the instructions that came with the valve. Plug the tap valve (the smaller valve connector in the freon kit) into the other line as shown in the included instructions. The two valves are screwed directly onto the only two fittings (one large and and one small) on top of the AC compressor (a metal cylinder). Turn the air conditione
