The GreyEdge Group » Find CaliforniaGeo Members in our Directory
This is the place where you can search our directory for members who can assist you with design, analysis, installation, and commissioning of geothermal heat pump projects for all types of buildings.
Spanning three nations on two continents, GreyEdge Group consists of long-time independent professional PEs, hydro-geologists, drilling & system mechanical contractors, commissioning/verification specialists, project managers, modeling professionals, and financial experts. Cary Smith (right) of Sound Geothermal is the U.S. Operations Manager for the group.
Our members have a combined total of over 200 years of experience boosting millions of square feet of building performance. They identify precise energy transfer by optimized ground heat exchangers, creating more cost-effective installation methods.
GreyEdge members helped develop many of the industry’s “best practices” for inclusion into the ANSI/CSA 448 Standard for geo heat pump installations and have contributed training and code content for ASHRAE, IGSHPA, NGWA, and IAPMO. Their extensive experience in all facets of the ground source industry allows them to assist with your design, personnel training, or complete design, implementation and monitoring services.