作者: Krushna Mahapatra , Leif Gustavsson
DOI: 10.1007/S12053-009-9057-7
关键词: Agricultural economics 、 Heat pump 、 Heating system 、 Waste management 、 Pellet boiler 、 Engineering
摘要: Questionnaire surveys of Swedish homeowners detached houses were carried out in 2004 and 2007 to understand their needs attitudes towards attributes innovative heating systems (IHSs) comprised a bedrock heat pump, district heating, or wood pellet boiler. In each occasion 1,500 randomly selected. The response rate was 42% 48% 2007. Results showed that the majority respondents satisfied with existing system did not intend install new systems. Economic factors functional reliability most important respondents’ choices system, while environmental lower importance. Among IHSs, had favorable attitude pumps followed by boilers. But more electric boilers than for least oil Between 2007, there positive change IHSs boilers, negative resistance heaters