How cold is your winter?

Although a heat pump can heat a home, when outside temperatures drop below freezing, the efficiency of a heat pump is affected as the unit requires more energy to maintain warm temperatures inside the home. Typical heat pump systems have an auxiliary electric heater added to the indoor unit to add supplemental heat when outdoor temperatures drop

https://www.carrier.com/residential/en/us/products/heat-pumps/heat-pumps-vs-air-conditioners/?

 

所有跟帖： 

• 冬天最冷的两三周最低温2°摄氏左右，一年需要开两个月的暖气 -cmcx- ♀ (0 bytes) () 07/29/2022 postreply 11:55:25

• 那可以。heat pump 也不便宜。 -DD2020- ♀ (0 bytes) () 07/29/2022 postreply 11:59:00

• 等需要换空调的时候我都询价问问，主要是准备装solar了，听说适合heat pump -cmcx- ♀ (0 bytes) () 07/29/2022 postreply 12:23:44

• 就是全用电。没错。 -DD2020- ♀ (0 bytes) () 07/29/2022 postreply 12:44:00

• heat pump is the same as AC. Except it also warms. -柠檬椰子汁- ♂ (0 bytes) () 07/29/2022 postreply 13:31:59

• 空调都是好几千瓦的，太阳能行吗？ -徒劳- ♂ (0 bytes) () 07/29/2022 postreply 13:59:36

• 装个1万瓦的solar好了，我要是装就装个1万5的 -米奇的厨房- ♂ (0 bytes) () 07/29/2022 postreply 14:05:08

• 1万5 要150块100W的太阳能板，只有豪宅顶上能放这么多吧。另外15KW的锂电池组也很贵吧 -徒劳- ♂ (0 bytes) () 07/29/2022 postreply 14:10:15

• 没有200瓦一块的板子吗？ -米奇的厨房- ♂ (0 bytes) () 07/29/2022 postreply 14:13:19

• 有，但是面积相应增加。 -徒劳- ♂ (0 bytes) () 07/29/2022 postreply 15:05:14

• 现在都是350~425w之间的solar panel了,我要装的是420的 -cmcx- ♀ (0 bytes) () 07/29/2022 postreply 15:07:18

• 我最近找solar company 給新房安装solar， 一个panel 485w. -鑫蔷薇- ♀ (0 bytes) () 07/29/2022 postreply 21:55:59

• 我随便查了一下，好像heat pump on average需要一年2800kwh的电 -cmcx- ♀ (0 bytes) () 07/29/2022 postreply 15:03:47

• Then it's about cost. Heat Pump sometimes double the price. -柠檬椰子汁- ♂ (0 bytes) () 07/29/2022 postreply 12:00:37