Energy savings from domestic zonal heating controls: Robust evidence from a controlled field trial

Energy savings from domestic zonal heating controls: Robust evidence from a controlled field trial
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家庭分区供暖控制的节能:来自受控现场试验的有力证据

DOI:
10.1016/j.enbuild.2021.111572
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发表时间:
2022
影响因子:
6.7
通讯作者:
Lomas K
Lomas K
中科院分区:
工程技术2区
文献类型:
--
作者:
Lomas K

文献摘要

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家用分区加热控制使液体循环系统能够在不同时间将房间加热到不同温度。第一个可信的证据,已知的作者,在使用中的节能控制,报告。结果和研究方法是全球相关的能源需求和室温在68,燃气加热,业主自用,半独立式住宅,在英格兰中部地区进行了一年的监测之前,分区控制安装在37个家庭之前的第二年的监测。其他家庭保留了现有的供暖控制,因此提供了匹配的(对照)组。调查和问卷的特点是住宅,供暖系统和家庭。在三分之二的家庭与分区控制的年度天然气需求下降,在三分之一的增加。总体而言,相对于保留现有控制的家庭,平均天然气需求下降了3.5%。节能主要是通过降低卧室温度来实现的,尤其是在晚上。无线数字分区控制不太可能通过降低当今价格的能源账单来提供可接受的回报,但它们为家庭提供了对分时能源定价做出反应的灵活性。匹配的(对照)组对于可靠地计算因对占用房屋进行干预而产生的能源需求变化至关重要。
Domestic zonal heating controls enable hydronic systems to heat rooms to different temperatures at different times. The first credible evidence known to the authors, of the in-use energy savings of such controls, is reported. The results and research methods are globally relevant.The energy demands and room temperatures in 68, gas-heated, owner-occupied, semi-detached homes, in the English Midlands were monitored for a year before zonal controls were fitted in 37 of the homes prior to the second year of monitoring. The other homes retained the existing heating controls and so provided a matched (control) group. Surveys and questionnaires characterised the dwellings, heating systems and households.In two thirds of the homes with zonal controls the annual gas demand decreased, in one third it increased. Overall, the mean gas demand decreased by 3.5% relative to the homes that retained their existing controls. Savings were achieved primarily by reducing bedroom temperatures, especially in the evenings.Wireless, digital zonal controls are unlikely to provide an acceptable payback through reductions in energy bills at today’s prices, but they offer households the flexibility to react to time-of-use energy pricing.A matched (control) group is essential for the reliable calculation of energy demand changes arising from interventions in occupied homes.