Certification Program for GeoExchange Designers Part 1. Dr Jim Bose, Ph.D., P.E. Introduction to CDG course. IGSHPA has designed a program to offer advanced training towards certification as a GeoE…
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Where the waters (static) were 120-140 ft deep,to get r-22 heads down to 210-200 psig at 3g/”ton”, it was requiring OVER 230 ft of vertical bore per 10-day continuous cooling building ton…
that is per compressor-cooling ton:efficiently loaded,you must devide ~ 1.2 compressor heat output by .88 resulting heat of extraction (cooling in the field) and you will see the addages of 180-175 ft/ton are really 205-210 in Ohio to PA…
(52-54 deg Earth loops vertical bores/ 300 ft’rsAnd today we still see in 2008 that it was 205 to 210 ft in a static-wet borehole (waters within 30-40ft of surface)