Codes and other Regulations
When installing a geothermal system you may be subject to different regulations depending on the type of system and the area you live in. Some examples of these regulations are:

Well construction code
Discharges to ground water
Discharges of surface water
Water use reporting
Underground ejection control.

If you are considering using a closed loop system you will also need to get a permit as boreholes may extend hundreds of feet in depth and could penetrate drinking water aquifers. Sealing the area between the vertical loop piping and borehole from the bottom up to the ground with a low permeability grout, as recommended by the manufacture and is also consistent with the state well code, is advised.

Design

Geothermal systems are usually installed and designed by an HVAC professional who has studied geothermal design. The process of geothermal design differs depending on the building to be constructed, the size shape and heating and cooling needs of the building effect the design of the system. A small system would be designed for a home, while a large system can be designed for a school or office building.

This concludes the Geothermal Energy series. I hope you enjoyed it.

Part I: Geothermal an Introduction

Part II: Geothermal Systems

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