About this course

In this free course, Dr. Charles Remund, author of the International Ground Source Heat Pump Association (IGSHPA) Design Manual, explains how to design a ground heat exchanger for a commercial geothermal system.

Participants are quizzed on key concepts and then use LoopLink Pro software to work through design and load calculation assignments.

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Course outline

1 module • 12 assignments • 2:13 hours of video lectures

Module 1 • 10 assignments
Designing the Ground Heat Exchanger

In this two-hour video lecture, Dr. Remund lays out the process for sizing and designing a closed loop ground heat exchanger, including all of the calculations. The lecture is followed by a quiz on the concepts presented. Course participants receive a free LoopLink PRO software license, which is used complete design and load calculation assignments for a commercial building.

  • Request a Free LoopLink PRO License
  • Presentation Slides (PDF) (.pdf)
  • Designing the Ground Heat Exchanger (2 hours, 8 minutes) (02:08:09 hours)
  • Review of Ground Loop Design Basics
  • Assignment #1: Determining GHEX Layout (.pdf)
  • Assignment #2: Condensing Hourly Loads (.pdf)
  • Resource: LoopLink PRO Instructional Video (05:11 minutes)
  • Assignment #3: Ground Loop Design using LoopLink PRO (.pdf)
  • Resource for Assignment #3: FTC Test Report (.pdf)
  • Resource for Assignment: GeoPro Head Loss Calculator (.xls)


  • Dr. Charles Remund

    GeoConnections, Inc.
    View profile

    Dr. Remund has over 20 years of experience installing and designing geothermal systems. He has been a certified instructor for IGHSPA since 1994. As a member of the Mechanical Engineering faculty at South Dakota State University (SDSU) he taught thermodynamics, heat transfer, fluid dynamics, design of thermal systems and applied laboratory courses from 1988 to 2009. He... Learn more

Frequently asked questions

How does this course work?
This is a free course. Enroll today and get access to all of the materials instantly. The lecture video and other materials are available any time.
How long do I have access to the materials?
For free courses there is no guarantee for how long the course materials will be available.
Is there a certificate of completion?
Certificates of completion are only provided to HeatSpring Membership subscribers. This course has not been approved by any credentialing organizations (NABCEP, AIA, USGBC etc) for Continuing Education Credits (CEUs). This course is for self education purposes only and completion does not indicate a level of professional expertise or credential.
Can I register multiple people?
Yes, this is a free course so you can share this page with other people from your group.


Based on 55 reviews
students have taken this course


D.P. Suresh

it is was well knowledge

Joel Nzima

Makes the review process simple.

Ruben Koch

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