购(Gou)买(Mai)家(Jia)用(Yong)电(Dian)锅(Guo)炉(Lu)必(Bi)须(Xu)根(Gen)据(Ju)自(Zi)己(Ji)的(De)实(Shi)际(Ji)情(Qing)况(Kuang)，(?)功(Gong)率(Lu)根(Gen)据(Ju)面(Mian)积(Ji)的(De)大(Da)小(Xiao)一(Yi)致(Zhi)，(?)选(Xuan)择(Ze)合(He)适(Shi)的(De)电(Dian)锅(Guo)炉(Lu)时(Shi)功(Gong)率(Lu)过(Guo)大(Da)会(Hui)浪(Lang)费(Fei)，(?)过(Guo)小(Xiao)不(Bu)能(Neng)达(Da)到(Dao)特(Te)别(Bie)好(Hao)的(De)暖(Nuan)气(Qi)效(Xiao)果(Guo)。(?)

家(Jia)用(Yong)电(Dian)锅(Guo)炉(Lu)用(Yong)多(Duo)少(Shao)电(Dian)，(?)用(Yong)电(Dian)量(Liang)也(Ye)要(Yao)根(Gen)据(Ju)家(Jia)里(Li)有(You)人(Ren)的(De)时(Shi)候(Hou)计(Ji)算(Suan)。(?)有(You)一(Yi)些(Xie)工(Gong)薪(Xin)阶(Jie)层(Ceng)。(?)他(Ta)们(Men)的(De)费(Fei)用(Yong)便(Bian)宜(Yi)得(De)多(Duo)。(?)白(Bai)天(Tian)人(Ren)不(Bu)在(Zai)家(Jia)，(?)低(Di)温(Wen)运(Yun)转(Zhuan)就(Jiu)行(Xing)了(Liao)。(?)定(Ding)好(Hao)开(Kai)关(Guan)机(Ji)时(Shi)间(Jian)，(?)人(Ren)到(Dao)家(Jia)的(De)房(Fang)间(Jian)也(Ye)变(Bian)暖(Nuan)了(Liao)。(?)电(Dian)锅(Guo)炉(Lu)的(De)消(Xiao)耗(Hao)电(Dian)力(Li)下(Xia)

降(Jiang)了(Liao)。(?)重(Zhong)要(Yao)的(De)是(Shi)安(An)全(Quan)使(Shi)用(Yong)方(Fang)便(Bian)。(?)

家(Jia)用(Yong)电(Dian)锅(Guo)炉(Lu)加(Jia)热(Re)运(Yun)行(Xing)费(Fei)用(Yong)的(De)计(Ji)算(Suan)，(?)加(Jia)热(Re)期(Qi)间(Jian)整(Zheng)体(Ti)1平(Ping)方(Fang)米(Mi)的(De)电(Dian)加(Jia)热(Re)运(Yun)行(Xing)费(Fei)用(Yong)可(Ke)以(Yi)按(An)以(Yi)下(Xia)公(Gong)式(Shi)计(Ji)算(Suan)单(Dan)位(Wei)面(Mian)积(Ji)热(Re)负(Fu)荷(He)×(?)热(Re)负(Fu)荷(He)系(Xi)数(Shu)×(?)每(Mei)天(Tian)工(Gong)作(Zuo)时(Shi)间(Jian)×(?)供(Gong)暖(Nuan)期(Qi)间(Jian)天(Tian)数(Shu)×(?)电(Dian)费(Fei)单(Dan)价(Jia)=整(Zheng)个(Ge)供(Gong)暖(Nuan)期(Qi)间(Jian)单(Dan)位(Wei)面(Mian)积(Ji)的(De)供(Gong)暖(Nuan)费(Fei)用(Yong)。(?)