1st of all....

來源: jy101 2012-07-04 08:43:37 [] [博客] [舊帖] [給我悄悄話] 本文已被閱讀: 次 (828 bytes)
1st of all, I am not a HVAC guy, nor I had ever lay hands on one before...so everything I said, are just bs.

1. if fan motor runs, you can assume its ok.

2. 90% of time, AC failures are failed capacitor.

3. 5% of AC failures are low freon, a good condenser unit should be seal and should not leak freon, if its low, meaning either leaky a-coil or leaky line set. R22 units are better when low on freon, 410A units will just fxck the compressor instantly. you need R22 gauge($50) or a universal gauge($150) and a can a R22 freon($390, last year was still $250).

4. 3% of AC failures are bad contactors.

5. 2% is fail compressor, should never only replace the compressor itself, most are rebuild units, only 1 year warranty.

6. Goodman 3 ton condenser about $800, Trane cost about twice. labor 600-800.



所有跟帖: 

謝謝這麽詳細的信息,老公正在學習中,:-) -SleepBeauty- 給 SleepBeauty 發送悄悄話 (0 bytes) () 07/04/2012 postreply 09:09:03

收藏了,以防萬一 -瞎走瞎拍- 給 瞎走瞎拍 發送悄悄話 瞎走瞎拍 的博客首頁 (0 bytes) () 07/04/2012 postreply 17:25:48

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