Check this first

http://blog.wenxuecity.com/myblog/13881/200708/33946.html

所有跟帖： 

• thanks! I will read tonight. . 有個技師剛來過, 說是費裏昻全沒了. 要我到夏天再決定. -haveniceday-2- ♂ (129 bytes) () 10/11/2013 postreply 11:45:50

• 我覺得技師的話對所以15 年以上的A/C 全可套用, 我的打算是, 到明年夏天. -haveniceday-2- ♂ (238 bytes) () 10/11/2013 postreply 14:40:42

• For a 30 year unit, I won't spend more than $100 on it -色大膽小- ♂ (0 bytes) () 10/11/2013 postreply 14:47:46

• agree,simply replace whole set -chinomango- ♂ (134 bytes) () 10/12/2013 postreply 09:52:38