推荐回答(3个)
地源热泵:地源热泵是一种利用浅层地热能源(也称地能,包括地下水、土壤或地表水等的能量)的既可供热又可制冷的高效节能系统。
集中供暖:指集中集团式供暖的一种形式。
性能
地源热泵:通过输入少量的高品位能源(如电能),实现由低品位热能向高品位热能转移。一般在空调系统中,地能分别在冬季作为热泵供热的热源和夏季制冷的冷源,即在冬季,把地能中的热量取出来,提高温度后,供给室内采暖;夏季,把室内的热量取出来,释放到地能中去。1KW的电能可以得到4KW以上的热量或5KW以上冷量。
集中供暖:因集中供热用的锅炉容量大,热效率高,可以达到90%以上,而分散供热的小型锅炉热效率只有60%左右,或更低。因此城市集中供热代替分散供热综合起来可节约20%-30%的能源。
收费方式
地源热泵按面积收取。
集中供暖收费按面积收取,而不是按每户的能耗收取。
优点
地源热泵环保、节能,维护费用低,使用寿命长。
集中供暖暖气足,全天供暖,覆盖面积广,一套系统可以受益很多户家庭,家庭前期投资成本相对较低。
缺点
地源热泵冬季温度不高,部分小区物业收取费用较高。
集中供暖一次性投资大,运行费用高,无论是否需要,暖气始终全天供热,因楼层不同而造成温度不均,若遇到供暖偏热,居民只有开窗降温,使宝贵的能源白白浪费。集中供暖多以燃煤、燃油为供热原料,在燃烧过程中排放大量有害气体和尘埃,是大气污染的主要构成。
市政供暖的好,供热稳定,供热收费财政补贴政府调控,使用期长。地源热泵供暖收费要高,是小区小系统,政府不去管的,长时间后效率、收费、设备更新费等等问题多啦。最好的是靠住政府。
传统供热稳定,地源热泵的优势是费用低廉,有疑问的是能不能达到预期的温度效果。你买房子的话可以考虑一下,热泵要便宜的,每平米十几元比传统供热要低一半。山东绿特空调很高兴为您服务,专业生产制造地源热泵系统。
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