(一)從熱(re)源(yuan)單(dan)位出口到各(ge)熱(re)力站的供(gong)熱(re)設施，由(you)熱(re)源(yuan)單(dan)位和供(gong)熱(re)單(dan)位按照產權承擔(dan)相應的維修養護、更新責(ze)任和費用;
(二)熱力站出(chu)口到采用(yong)(yong)分戶(hu)控制供(gong)(gong)熱的居民(min)(min)用(yong)(yong)戶(hu)的入(ru)戶(hu)閥(fa)門(包(bao)括閥(fa)門、熱計量表等)或者到尚未實(shi)施分戶(hu)供(gong)(gong)熱 (單管(guan)(guan)循環(huan)管(guan)(guan)網供(gong)(gong)熱)的居民(min)(min)用(yong)(yong)戶(hu)以及非居民(min)(min)用(yong)(yong)戶(hu)的單元或者樓棟入(ru)戶(hu)閥(fa)門井(包(bao)括閥(fa)門)的供(gong)(gong)熱設(she)施由供(gong)(gong)熱單位承擔維修(xiu)養護、更新責(ze)任(ren)，費用(yong)(yong)支出(chu)使用(yong)(yong)供(gong)(gong)熱管(guan)(guan)網維修(xiu)、養護、更新保障(zhang)資(zi)金。由市、旗區(qu)人民(min)(min)政府財政投資(zi)更新的供(gong)(gong)熱設(she)施的維修(xiu)養護責(ze)任(ren)由市、旗區(qu)人民(min)(min)政府確定;
(三)采用(yong)(yong)(yong)分戶(hu)(hu)控制(zhi)供(gong)熱(re)(re)的(de)(de)居民(min)(min)用(yong)(yong)(yong)戶(hu)(hu)，以入(ru)戶(hu)(hu)閥門(men)為(wei)分界點，入(ru)戶(hu)(hu)閥門(men)到(dao)室內(nei)(nei)的(de)(de)供(gong)熱(re)(re)設施由房屋(wu)所有(you)人承擔(dan)維(wei)修(xiu)養(yang)(yang)護(hu)、更(geng)新(xin)責任和(he)費用(yong)(yong)(yong)。尚未(wei)實施分戶(hu)(hu)供(gong)熱(re)(re)(單(dan)(dan)管循環管網供(gong)熱(re)(re))的(de)(de)居民(min)(min)用(yong)(yong)(yong)戶(hu)(hu)以及非(fei)居民(min)(min)用(yong)(yong)(yong)戶(hu)(hu)，以單(dan)(dan)元或(huo)(huo)者(zhe)樓(lou)(lou)棟(dong)入(ru)戶(hu)(hu)閥門(men)井(jing)為(wei)分界點，單(dan)(dan)元或(huo)(huo)者(zhe)樓(lou)(lou)棟(dong)入(ru)戶(hu)(hu)閥門(men)井(jing)到(dao)室內(nei)(nei)入(ru)口處的(de)(de)共(gong)用(yong)(yong)(yong)供(gong)熱(re)(re)設施由房屋(wu)所有(you)人共(gong)同承擔(dan)維(wei)修(xiu)養(yang)(yang)護(hu)、更(geng)新(xin)責任和(he)費用(yong)(yong)(yong);室內(nei)(nei)的(de)(de)供(gong)熱(re)(re)設施由房屋(wu)所有(you)人承擔(dan)維(wei)修(xiu)養(yang)(yang)護(hu)、更(geng)新(xin)責任和(he)費用(yong)(yong)(yong)。
4、哪種情況(kuang)下供熱單位可以(yi)免責？
因以(yi)下(xia)任(ren)何一種情形，熱(re)用(yong)戶室內采暖溫(wen)(wen)度(du)達不(bu)到規定溫(wen)(wen)度(du)的，供熱(re)單位(wei)不(bu)承(cheng)擔責任(ren)，但應(ying)積(ji)極督促熱(re)用(yong)戶采取措施盡量使(shi)其達到規定的溫(wen)(wen)度(du)：
（1）門窗不(bu)保溫(wen)的房(fang)屋(wu)圍(wei)護結構(gou)保溫(wen)性能(neng)達不(bu)到國家標準或人(ren)為造成(cheng)房(fang)屋(wu)圍(wei)護結構(gou)保溫(wen)性能(neng)降(jiang)低的；
