VDI 4640 Blatt 4:2004-09 (R2009)
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VDI 4640 Blatt 4:2004-09 (R2009)

Thermal use of the underground - Direct uses.

Summary

The document relates to the thermal use of the subsurface down to a dept of approx. 400 m. It dealt ground-coupled heat pump systems, heat pump for heating purposes, heat pump systems for heating and cooling purposes.

Notes

Approved 2009-12

Technical characteristics

Publisher Deutsche Institut für Normung e.V. (DIN)
Publication Date 09/01/2004
Confirmation Date 12/01/2009
Page Count 40
EAN ---
ISBN ---
Weight (in grams) ---

Replaces

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