为了研究水环热泵系统的运行特性，一项详细的现场试验正在CT斯坦福德的一栋商业建筑中进行。详细说明并解释了第一年现场试验（1987年11月至1988年10月）的结果，总结了主要发现，并描述了第二年的改装改造及其初步结果。关键词:现场测试、水热泵、热泵、商业、建筑、现代化、美国、电加热、办公室、电锅炉、计算、能耗、案例研究。引用:研讨会论文，佐治亚州亚特兰大，1990年

A detailed field test to study the operating characteristics of a water-loop heat pump system is being conducted in a commercial building in Stamford, CT. Details and interprets the results of the first year of the field test (November 1987 through October 1988), summarises the major findings, and describes the retrofit modifications for the second year and their initial results.KEYWORDS: site testing, water heat pumps, heat pumps, commercial, buildings, modernising, USA, electric heating, offices, electric boilers, calculating, energy consumption, case studies.