在加拿大安大略省大约七年的系统操作和维护经验。展示并分析调查表格回复中的数据。研究发现，设计良好的系统可以节省传统系统50%的能耗，同时保持良好的舒适度并满足新的通风标准。关键词:1996年，热泵，土壤热泵，运行，维护，加拿大，问题解答:研讨会论文，佐治亚州亚特兰大，1996年

Deals with operating and maintenance experience with systems in Ontario, Canada, over approximately seven years. Presents and analyses the data from responses to survey forms. Finds that well-designed systems can save as much as 50% of the energy consumed by conventional systems while maintaining good comfort levels and meeting new ventilation standards.KEYWORDS: year 1996, Heat pumps, soil heat pumps, operations, maintenance, Canada, questionnaires