 
	  GLD Software is the GSHP Industry Design Leader!
GLD is the choice of professionals in over 62 countries. GLDs is the leading software suite for geothermal heat pump and ground heat exchanger system design.
 New Angular Borehole Simulation 
	in v10.1.xx!
	 New Angular Borehole Simulation 
	in v10.1.xx!
	 
	Why is GLD Software the Best Choice...
I want to check it out!
Download Ground Loop Design Premier now and view 
99% of the program interface. Calculations are disabled.  
 GLDs 
works with all versions of Windows including 
Windows 11 and can also be emulated on 
most Mac's with Parallels!
GLDs 
works with all versions of Windows including 
Windows 11 and can also be emulated on 
most Mac's with Parallels!
I want to see GLD software in action!
A picture is worth a thousand words. The demo and recorded webinars provide a clear introduction to GLD for both new and experienced GLD users. See GLD modules at work viewing our collection of tutorial videos.
How to Purchase Software and Training
After you order GLDs, we will ship you a USB license dongle that provides you 
with complete access on any machine for the version that you purchase.   
Our software versions are available with network or stand-alone licensing 
options!
New! Additional Training Options Now Available
Recent Additions to GLD Family
- Coaxial Exchangers for Vertical Boreholes
- Fully Automated Piping System Builder
 
- Balancing Valves Automation
- 
            Bill of 
			Materials Reports 
 
- 
            Intelligent System Analytics
 
- Enhanced File System Management
- Enhanced Fluid Dynamics Calculations
- Advanced Hybrid Design Toolset
- 
            Angled Drilling Simulation
 
| New! GLD is on Facebook! → | 
Who is Thermal Dynamics?
Thermal Dynamics is the international distributor for GLD Software, staffed by geoexchange professionals dedicated to bringing innovative, technically advanced products and services to the geoexchange community. From fundamental design to implementation of ground source systems, we provide a competitive advantage for geothermal designers and installers, domestically and internationally.
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