GeoMax (Climate Master) 2 4-ton closed loop w/ glycol. Two 300-foot boreholes with 2 Rehau double-u-bend loops (4 loops total). Installed Fall, 2009. Home is a 2100sq foot 2 story. Desuperheater with 40 gallon buffer & 40 gallon electric finishing. Decafdrinker@hotmail.com