Ground Loop Design

11/27/2025

Version 10.1.29 now available! New custom borefield layout updates; improved license manager for W11 support; IES terminology updates and numerous internal updates.

GLD Software

05/22/2024

Angled Drilling is now part of GLDs Premier Software. https://groundloopdesign.com/GLDs_gridbuilder_module.html

https://groundloopdesign.com/eNews/TDI_e-News_April_2024.html

The recently released GLDs Software is now available on the website. By customer request, GLD is now equipped with Angled Borehole simulations in the Premier version. Built on the new GridBuilder Module and G-function models already in GLD, version 10.1.12 features the capability for designers to ut...

04/21/2024

Newest version of GLDs is available! Version 10.1.12 now features Angled Drilling with direct and easy angle entry for loop field simulations. Vertical and Angled boreholes can be mixed in one loop field. It's the first software for Geothermal Design to offer this capability.

See our latest newsletter: https://groundloopdesign.com/eNews/TDI_e-News_April_2024.html

https://groundloopdesign.com/GLDs_download.html

Windows™-based revolutionary geothermal HVAC software design package - GLD Software

07/24/2023

Download GLD v10.0.80 from our website. Simulation files can now be opened directly in Excel.

GLD Software

07/24/2023

Download GLD v10.0.80 from our website. Simulation logs now open directly in Excel:

GLD Software

03/14/2022

GLD v10.0.70 now available for download. Windows 11 supported!

02/12/2021

Ground Loop Design v10.0.51 is available for download.

New items include:
- Updated Japanese and Spanish library files

- Updated Thermal Conductivity Module to correct data labels
and sensor testing

- Updates graphing output data files

- New digital signature

- Updated HASP driver files for licensing

- Adds form to update user information for license renewal

Download at:

GLD Software

07/11/2020

GLDs version 10.0.47 now available for download.

Updated items:

- Updated Reports. Some reports will show additional details.

- Clears the Windows clipboard on opening GLD. Some programs that may currently have the clipboard open can prevent GLD from capturing data.

- Changes to the generation of G-Functions to reduce unecessary calculation in large loopfields.

- User information request generated when license expiration is near. This helps to avoid license expiration without notice to the actual user.

- Menu link to the Geofease Estimating tool which can assist in feasibility studies without the need to fully develope a loopfield in the early planning stages..

- Adds auto-calculates the BTR whenever Coaxial BTR Auto-flow is checked.

- Minor updates some of the built-in help screens and resources

- Updated language files for Spanish; Chinese; Korean; Japanese. Corrects some "resource not found" errors. Applicable to the standalone version only. Network users should request their specific language.

- Network Version Only: License manager now supports Remote Desktop operation and Virtual Machines. This is an update to the licensing system and not the GLD product.

GLD Software

08/25/2019

GLD Version 10.0.39 now available. New progress bars for loopfield simulations of 300 boreholes and higher. Reusable G-functions for multiple simulations speeds up calculations.
New Geokoax simulation tool added to coaxial piping choices. Update user manual and other changes to improve usability.

GLD Software

04/02/2019

GLD Version 10.0.33 now available. Network users should contact us for license updates. GLD Network version now supports remote desktop access and virtual machines with the latest update. Updates to the piping library for all versions.

GLD Software

12/24/2018

GLD Latest Version features Coaxial Heat Exchangers!