The following is a list of standards developed by various geothermal associations:

International Standards

IGSHPA has led the way in providing a complete set of standards for GHP systems. This 2010 updated edition incorporates all the changes recommended by the IGSPA Standards Committee since 1994, and is a must for everyone involved in the GHP industry. This manual covers design and installation standards for closed-loop ground heat exchangers, pipe placement and backfilling, indoor piping and circulation systems, geothermal heat pumps, and site planning, records, and restoration.

To access the PDF file from the IGSHPA web site please click the following link:

Design and Installation Standards 2010 Edition IGSHPA)

EU Standards

The UK GSHPA has also develped standards to define and maintain a high level of installation quality and maintain the reputation of the industry.

To access the PDF file from the UK GSHPA web site please click the following link:

GSHPA Vertical Borehole Standard

The GSHPA Vertical Borehole Standard is now referenced as an authority by the Environment Agency’s Environmental ground source heating  and cooling good practice guide and by the Microgeneration Certification Scheme’s MIS 3005.