j*p
2 楼
专家们来说说看
heat pump和central air哪一个更好？专指制冷。
heat pump和oil heating相比哪个更好？听说heat pump到了零度(32F)以下就不太给力
了。
heat pump和central air哪一个更好？专指制冷。
heat pump和oil heating相比哪个更好？听说heat pump到了零度(32F)以下就不太给力
了。
w*7
3 楼
土豆股神再说说明天怎么个走法？
y*i
4 楼
一个是制冷系统，一个是送风系统，怎么比？
g*5
5 楼
呼唤土豆股神~~~~~~~~~~~~~~~
【在 w*********7 的大作中提到】
: 土豆股神再说说明天怎么个走法？
【在 w*********7 的大作中提到】
: 土豆股神再说说明天怎么个走法？
d*j
6 楼
At cooling mode, they are the same. They all use the refrigerant to transfer
the heat from indoor to outdoor.
At heating mode, the heat pump still works the same way, but the temperature
rise between the supply duct to the return duct is mild, usually, in the
range of 10F to 20F. The oil furnace is expensive, the temperature rise can
reach to 30F above, so occupants will get a warm air instantly, compared
with the heat pump.
But, if the temperature of your living area is quite warm( such the coldest
outside temp. around 20F), you should consider the Heat Pump, you have at
least 1/4 saving on your bills.
the heat from indoor to outdoor.
At heating mode, the heat pump still works the same way, but the temperature
rise between the supply duct to the return duct is mild, usually, in the
range of 10F to 20F. The oil furnace is expensive, the temperature rise can
reach to 30F above, so occupants will get a warm air instantly, compared
with the heat pump.
But, if the temperature of your living area is quite warm( such the coldest
outside temp. around 20F), you should consider the Heat Pump, you have at
least 1/4 saving on your bills.
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