(一)從熱(re)(re)源單(dan)位出口(kou)到各熱(re)(re)力站(zhan)的供熱(re)(re)設施，由熱(re)(re)源單(dan)位和供熱(re)(re)單(dan)位按照產權承擔相應(ying)的維修養護、更新責(ze)任(ren)和費用(yong);
(二(er))熱(re)(re)力站出(chu)口到采用(yong)分(fen)戶控制供(gong)(gong)(gong)熱(re)(re)的(de)(de)居(ju)民(min)(min)(min)用(yong)戶的(de)(de)入(ru)戶閥(fa)(fa)門(men)(包括閥(fa)(fa)門(men)、熱(re)(re)計量表等(deng))或(huo)者到尚(shang)未實施(shi)分(fen)戶供(gong)(gong)(gong)熱(re)(re) (單(dan)(dan)管(guan)(guan)循環管(guan)(guan)網供(gong)(gong)(gong)熱(re)(re))的(de)(de)居(ju)民(min)(min)(min)用(yong)戶以及非居(ju)民(min)(min)(min)用(yong)戶的(de)(de)單(dan)(dan)元或(huo)者樓(lou)棟入(ru)戶閥(fa)(fa)門(men)井(包括閥(fa)(fa)門(men))的(de)(de)供(gong)(gong)(gong)熱(re)(re)設(she)施(shi)由供(gong)(gong)(gong)熱(re)(re)單(dan)(dan)位承(cheng)擔維修養(yang)護、更新責任，費(fei)用(yong)支出(chu)使(shi)用(yong)供(gong)(gong)(gong)熱(re)(re)管(guan)(guan)網維修、養(yang)護、更新保障資金。由市、旗(qi)區人民(min)(min)(min)政府(fu)財(cai)政投資更新的(de)(de)供(gong)(gong)(gong)熱(re)(re)設(she)施(shi)的(de)(de)維修養(yang)護責任由市、旗(qi)區人民(min)(min)(min)政府(fu)確定;
(三)采用(yong)分(fen)戶控制供(gong)(gong)(gong)熱(re)(re)(re)的(de)居民(min)用(yong)戶，以入(ru)(ru)(ru)戶閥門(men)為分(fen)界點，入(ru)(ru)(ru)戶閥門(men)到室(shi)(shi)內(nei)的(de)供(gong)(gong)(gong)熱(re)(re)(re)設(she)施(shi)由房屋所(suo)(suo)有(you)人承擔維修(xiu)養(yang)護(hu)、更新責(ze)任和費用(yong)。尚未(wei)實施(shi)分(fen)戶供(gong)(gong)(gong)熱(re)(re)(re)(單管循環管網供(gong)(gong)(gong)熱(re)(re)(re))的(de)居民(min)用(yong)戶以及非(fei)居民(min)用(yong)戶，以單元或者樓(lou)棟入(ru)(ru)(ru)戶閥門(men)井為分(fen)界點，單元或者樓(lou)棟入(ru)(ru)(ru)戶閥門(men)井到室(shi)(shi)內(nei)入(ru)(ru)(ru)口處(chu)的(de)共用(yong)供(gong)(gong)(gong)熱(re)(re)(re)設(she)施(shi)由房屋所(suo)(suo)有(you)人共同承擔維修(xiu)養(yang)護(hu)、更新責(ze)任和費用(yong);室(shi)(shi)內(nei)的(de)供(gong)(gong)(gong)熱(re)(re)(re)設(she)施(shi)由房屋所(suo)(suo)有(you)人承擔維修(xiu)養(yang)護(hu)、更新責(ze)任和費用(yong)。
4、哪種(zhong)情況下供熱單(dan)位可以免(mian)責？
因以下任(ren)(ren)何一種(zhong)情形，熱(re)用戶室內采暖溫(wen)度(du)達不到規定(ding)溫(wen)度(du)的，供熱(re)單位不承(cheng)擔(dan)責任(ren)(ren)，但應積極(ji)督促熱(re)用戶采取措施(shi)盡量使其達到規定(ding)的溫(wen)度(du)：
（1）門窗不保(bao)溫的房屋圍護(hu)結構(gou)保(bao)溫性能達不到(dao)國家標(biao)準或人為(wei)造成房屋圍護(hu)結構(gou)保(bao)溫性能降低的；
