In the March 1994 issue of the Quarterly Bulletin (Vol. 15, No.3), a Geo-Heat Center Research Project involving ground-source heat pumps (GSHP) systems for commercial buildings was introduced. This project which evaluated the capital costs associated with three different ground-source designs was completed in June 1994. As a result of this work, a final report "A Capital Cost Comparison of Commercial Ground-Source Heat Pump Systems" was issued. This article is a summary of that report