s*e
2 楼
同问
不知道为啥有那个选项
不知道为啥有那个选项
H*7
10 楼
我家的空调如果FAN打在ON上就根本不制冷,我估计是不是冷风全吹跑了
g*9
12 楼
I feel this needs more explaination.
Everyone above is correct so far.
There are certain situations that require you to leave the fan running all
the time.
The number reason could be your system is over sized, which means your AC
runs for a very short time (a few min), the room cool down very fast and
shuts off. If that is the case (assume your house is not zoned and you only
have one ac unit). You will have a house with 2nd floor a few degree hotter
than 1st floor and your first floor a few deg
【在 n*******r 的大作中提到】
: 是不是不会制冷所以不浪费电?
Everyone above is correct so far.
There are certain situations that require you to leave the fan running all
the time.
The number reason could be your system is over sized, which means your AC
runs for a very short time (a few min), the room cool down very fast and
shuts off. If that is the case (assume your house is not zoned and you only
have one ac unit). You will have a house with 2nd floor a few degree hotter
than 1st floor and your first floor a few deg
【在 n*******r 的大作中提到】
: 是不是不会制冷所以不浪费电?
s*8
13 楼
反正我以前家是放在on省电。关键是楼上楼下差4度,地下室比一楼又低6度。所以必须
温度设到理想值-4,白天才能上二楼不热。一直打风,基本上一楼二楼没温度差别。这
样就不用设-4,设到理想值就行了。还有地下室即时没有空调也很凉快,除非到了盛夏
。所以把地下室冷空气打上来,可能也省电。多年用下来差不多省20%-50%电。
当然各家的房屋,管道结构不同,情况可能非常不同。
温度设到理想值-4,白天才能上二楼不热。一直打风,基本上一楼二楼没温度差别。这
样就不用设-4,设到理想值就行了。还有地下室即时没有空调也很凉快,除非到了盛夏
。所以把地下室冷空气打上来,可能也省电。多年用下来差不多省20%-50%电。
当然各家的房屋,管道结构不同,情况可能非常不同。
h*h
14 楼
normally cold air goes down, warm air goes up.
so mostly we just open cold for upstairs in summer,
open warm for downstairs in winter.
【在 s******8 的大作中提到】
: 反正我以前家是放在on省电。关键是楼上楼下差4度,地下室比一楼又低6度。所以必须
: 温度设到理想值-4,白天才能上二楼不热。一直打风,基本上一楼二楼没温度差别。这
: 样就不用设-4,设到理想值就行了。还有地下室即时没有空调也很凉快,除非到了盛夏
: 。所以把地下室冷空气打上来,可能也省电。多年用下来差不多省20%-50%电。
: 当然各家的房屋,管道结构不同,情况可能非常不同。
so mostly we just open cold for upstairs in summer,
open warm for downstairs in winter.
【在 s******8 的大作中提到】
: 反正我以前家是放在on省电。关键是楼上楼下差4度,地下室比一楼又低6度。所以必须
: 温度设到理想值-4,白天才能上二楼不热。一直打风,基本上一楼二楼没温度差别。这
: 样就不用设-4,设到理想值就行了。还有地下室即时没有空调也很凉快,除非到了盛夏
: 。所以把地下室冷空气打上来,可能也省电。多年用下来差不多省20%-50%电。
: 当然各家的房屋,管道结构不同,情况可能非常不同。
n*6
19 楼
光fan的话不过几十瓦,压缩机才是耗电大户
F*P
20 楼
有老美告诉我说fan放在on上比较省空调的电。估计他们温度设得特别低,一直一直转
。就像电力公司建议不要人不在家空调关了一回家就打开这样更费电的道理是一样的。
前提是平常你都设在什么温度。
。就像电力公司建议不要人不在家空调关了一回家就打开这样更费电的道理是一样的。
前提是平常你都设在什么温度。
g*9
21 楼
Fan on all the time does not cool or heat your house, it only help even the
temp between floors and rooms.
Temp setting (on thermostat) will determine when ac compressor work and how
often they work, they help lower the temp and also take out humidity.
Compressor use a lot more electricity than the blower fan.
If your house is zoned, turning fan to on all the time will not help much
and could waste more electricity.
If you have a multi-story house with only one ac unit, leaving the fan on
all th
【在 n*******r 的大作中提到】
: 是不是不会制冷所以不浪费电?
temp between floors and rooms.
Temp setting (on thermostat) will determine when ac compressor work and how
often they work, they help lower the temp and also take out humidity.
Compressor use a lot more electricity than the blower fan.
If your house is zoned, turning fan to on all the time will not help much
and could waste more electricity.
If you have a multi-story house with only one ac unit, leaving the fan on
all th
【在 n*******r 的大作中提到】
: 是不是不会制冷所以不浪费电?
g*9
23 楼
That depend on the size of the unit and fan speed.
A 2 ton unit blower is less than 100w
A 5 ton unit blower running at slowest speed could be close to 100w too.
I would guess a large blower running at the highest speed could be burning
several hundred watt easily.
But no matter what the blower use much less electricity compareed to the
compressor.
【在 s**********d 的大作中提到】
:
: blower fan 一般要几百瓦,用电不少。
A 2 ton unit blower is less than 100w
A 5 ton unit blower running at slowest speed could be close to 100w too.
I would guess a large blower running at the highest speed could be burning
several hundred watt easily.
But no matter what the blower use much less electricity compareed to the
compressor.
【在 s**********d 的大作中提到】
:
: blower fan 一般要几百瓦,用电不少。
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