Welcome to our Support Area
Before contacting us please read the product help file.

You are always welcome to share your questions, suggestions.

Support Policy

Thank you for using GLD software!  Included with your purchase of GLD is technical support for installation of software on your system. This support includes phone based or web based support and is limited to a reasonable amount of time, as solely determined by TDI, to assure that your system is properly installed and operable. This support does NOT apply to design assistance or versions that are no longer supported.  Please see your version support information here.

Design assistance is available with a service contract, please contact us if you are interested in these services. Acceptance of any technical support indicates that you have read and accepted these terms.  We will answer your questions in English.

Current GLD Software: GLDs v10.0.79 ( - Click for Update History
Self Support Areas - Try these first
GLD Technical FAQs: Frequently Asked Questions
  Installation, HASP Keys, Operation, Theory, Residential Issues
GLD Resources: Product Manuals; Upgrade and Support Info; Key Information 
  Books, Support Info, Licensing Devices 
Network Version Information: Network Installation; HASP Keys; Network Support
External Loads Programs: HAP; Trace; IES; LEAD Plus
  Load Information from other Products 
Download Prior Versions: Setup Files for Previous Versions of GLD
  Active and Discontinued Versions 
Download Current Version: Current GLD Setup Files
  (Registration Required)
Training and Tutorials
Short Tutorial Videos: Tutorial Videos - See Modules at Work
  Self-Help through Observation 
GLD Related Training: Classes Available
  Live Instruction - Basic and Advanced 
Webinars: Various topics and presenters
  Recorded Sessions with Customers 
Other Self Help Tools: Skill Builders
  Sharpen your Skills 
Direct Contact Methods
Phone (763) 479-3638
Request Technical Support Support Request Form
  Web Contact 
For technical issues not found in the Self Support Areas, please use our Support Request Form
We will respond to email and web submissions within 24 hours.