Rental unit AC leak, added freon for 3 years. R22 freon在张家,是换新的还

This is a remote rental unit.  Tenants said AC is not working again, I know it is time to add Freon. 
The realtor who I work with find an AC guy, his friend.   This guy's suggestion is to put a goodman AC (outside unit) for $1850, with no permit; add $700 extra for permit.   After some research, I found out that the unit he is adding is the R22 unit, not changing the coil.   He said this unit does not use R22 Freon, is that true? I cant find such infomration on this.  If it is R22, it has to use R22 Freon. 

If change the coil (that is with the R410 unit), it will be $3550.  He also mentioned that add $1000, I can change the heater too, because the labor of changing coil and heater is the same. 

There is too much technical details beyond my understanding, also I see online people say goodman is not a good brand.   Can the expert here give me some suggestion or guidance.  There are too much involved, I dont know what is the right action. 

I probably sell the house in about 4-5 years.  

Thank you.

所有跟帖: 

Advice on Leaking AC unit, change or add freon again? I appreica -newhandss- 给 newhandss 发送悄悄话 (0 bytes) () 06/25/2013 postreply 12:37:05

need to know where is the leaking and how fast. -planotx- 给 planotx 发送悄悄话 (259 bytes) () 06/25/2013 postreply 13:13:50

回复:need to know where is the leaking and how fast. -newhandss- 给 newhandss 发送悄悄话 (255 bytes) () 06/25/2013 postreply 13:19:45

correction, he is check leak first before install new R22 unit, -newhandss- 给 newhandss 发送悄悄话 (183 bytes) () 06/25/2013 postreply 13:22:16

the unit is 22 years old. -planotx- 给 planotx 发送悄悄话 (86 bytes) () 06/25/2013 postreply 17:51:23

回复:the unit is 22 years old. -NJ-FL- 给 NJ-FL 发送悄悄话 (67 bytes) () 06/25/2013 postreply 18:04:45

换新的, R410A -little-landlord- 给 little-landlord 发送悄悄话 (0 bytes) () 06/25/2013 postreply 18:57:25

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