热水器是一直开着省电还是洗澡之前再开比较省电?我每天都洗澡。省电能省多少?30升的热水器。

2025-03-16 20:44:32
推荐回答(7个)
回答1:

每天洗澡的话,应该是开着省电,保温用不了多少电,要是每天洗澡前开机那要从冷水开始加热,要是忘开机的话就没法及时洗澡。

回答2:

30升的保温效果不好,最好用之前再加热,一直开着很耗电.

回答3:

之前

回答4:

应该是一直开着省电。

回答5:

像你每天都洗澡的话 恒温开着省电

回答6:

貌似这要看你多长时间洗一次吧

如果你一天一次

建议是洗前再去开

要是1个小时洗一次

你就一直开着

回答7:

根据能量守恒定律来说,烧到同样温度的水用的电是同样多的。从这个角度来说,用的电是一样多的。根据现实情况来讲,一直开着点的话,中间有一个加温同冷却的过程,这就要耗费一定的能量,也就是电,(虽然这部分店不是很多所以说起来,)还是用之前开比较省电。不过如果每次用之前开的话,一个是浪费时间,二是对热水器的寿命有损害。个人建议一直开着比较好。

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