p*r
发帖数: 548 | 1 要换屋顶了，两个问题关于太阳能的问题：
1）solar attic fan。值不值得安装？
2）经常收到太阳能公司的广告，在屋顶装太阳能发电。no down payment, can be
financed. monthly payment is less than electric bill...听着不错，有谁做过？ |
e******r
发帖数: 29 | 2 第一个不了解,对于第二个, 我觉得还是划算的, 我准备买了房子后就自己装一套. 下面的内容是我收集的, 不能保证完
全正确:
Price Breakdown
Everyone in America receives a 30 percent tax credit on solar equipment
purchased and installed by the end of 2010. State incentives can further
compound the savings.
Payback period: The Energy Information Administration lists average U.S
residential electricity prices at 11.23 cents per kwh, as of February 2009.
A panel that puts out 250 kwh a year saves $28.08 annually at that price,
making the payback period just u |
v*****z
发帖数: 3067 | 3 2, not worth if ee bill less than 150 per month.
someone told me from their experience.
1, good to get one. |
p*r
发帖数: 548 | 4 costco的solar attic fan貌似有20年warranty。买来发现最容易坏的motor只有5年
warranty。
打算退了。几年之后motor坏了可麻烦。
【在 v*****z 的大作中提到】
: 2, not worth if ee bill less than 150 per month.
: someone told me from their experience.
: 1, good to get one.
|
a**********b
发帖数: 47 | 5 300元，现在还有100还是150的rebate, 我觉得挺不错的。我同事安了说不错。也可以
把隔热层从新做好点（如果是旧房子的话），然后在加fan.
【在 p*r 的大作中提到】
: costco的solar attic fan貌似有20年warranty。买来发现最容易坏的motor只有5年
: warranty。
: 打算退了。几年之后motor坏了可麻烦。
|
w*******r
发帖数: 7276 | 6 1.5 du / day for 4 solar panels, not worth it unless it is builder pre-
installed.
【在 v*****z 的大作中提到】
: 2, not worth if ee bill less than 150 per month.
: someone told me from their experience.
: 1, good to get one.
|
d*****i
发帖数: 346 | 7 attic fan好装吗，还是要请人装？大概人工多少啊？谢谢啦！
【在 a**********b 的大作中提到】
: 300元，现在还有100还是150的rebate, 我觉得挺不错的。我同事安了说不错。也可以
: 把隔热层从新做好点（如果是旧房子的话），然后在加fan.
|
