Nexus 5 - How to downgrade from Android 5.0 Lollipop to Android 4.4.4 KitKat.
The cost to replace Freon varies by the amount needed since it is charged by the pound. The typical charge starts with an $89 service call to visit the home and inspect your AC system. From there, the cost to add Freon is $68 for the first pound and $58 for each pound thereafter.
Representative quantities of Freon by type used include: 1  Car air conditioner... 1.2 - 3.4 pounds of R134. 2  Home wall-mounted AC... less than 1 - 2 pounds of R22. 3  Residential/Commercial split systems... 3 pounds per ton of R22.