f*******6
发帖数: 665 | 1 92年的townhouse刚做了房屋检查，
房顶（$3000），waterheater($900), gas furnace($2500), AC outdoor($2500)都没
换过
特别是gas furnace有一氧化碳超标的警告，建议找专门的service调查，filter也不见
了，没准会严重到更换新的furnace.
这些部件，一定要提前换么？一般多少年寿命阿？ | g*****9
发帖数: 4125 | 2 That depends, good quality stuff last a lot longer.
You must have small roof, $3000 is not bad, but will not last very long,
cheap asphalt will last 10 to 15 years, good slate roof could last well over
200 years.
，waterheater($900),
How big the the waterheater? Usually they are much cheaper for 40 ga.
gas furnace($2500),
Your heat exchange is cracked, get a new one, there is tax credit if buy one
that is 95 AFUE or above.
AC outdoor($2500)都没
Depending on your size (ton), this is not bad if incl
【在 f*******6 的大作中提到】
: 92年的townhouse刚做了房屋检查，
: 房顶（$3000），waterheater($900), gas furnace($2500), AC outdoor($2500)都没
: 换过
: 特别是gas furnace有一氧化碳超标的警告，建议找专门的service调查，filter也不见
: 了，没准会严重到更换新的furnace.
: 这些部件，一定要提前换么？一般多少年寿命阿？
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