GLD Software

GLD 2009 Is the Industry Leader!

Ground Loop Design (GLD) 2009 is now ready for you to upgrade your existing copy or get started with the industry's leading ground source design software.  GLD Premier Financial now includes a module that will allow a designer to directly compare the associated costs of installing and operating geothermal and conventional HVAC systems. New to 2009 is an automatic update feature that will keep your version of GLD continuously up to date.

I want to see GLD software in action!

The link below will let you see flash demonstrations of the software at work.

Flash Demo (4.2MB)

I want to try it out

Download a free trial version of Ground Loop Design Professional now.  Access 99% of the program features.  GLD works with all versions of Windows including Vista.

I want to order GLD software

After you order GLD, we will mail you a license dongle that provides you with complete access to the version that you purchased.

Who uses GLD?

GLD is used in more than 47 countries including:

Who is Thermal Dynamics?

Thermal Dynamics is dedicated to bringing innovative, technically advanced products and services to the geoexchange community.  From the fundamental design to the implementation of ground source systems, we provide assistance and a competitive advantage for designers and installers active in the field, domestically and internationally.