Big Ladder Software

EnergyPlus Support

We offer hourly support services for EnergyPlus and OpenStudio by phone and by email. We can help you with:

  • Installation and transitioning between versions
  • Inputs, outputs, pre-processing, and post-processing
  • Geometry, zoning, and boundary conditions
  • How to model specific technologies, strategies, and efficiency measures
  • HVAC systems, node connections, controls, unmet load hours, and EMS programming
  • Writing OpenStudio measures
  • Debugging and fixing crashes, errors, and warnings
  • Advice on best practices and workarounds.

Contact us at for more information.

Looking for Our Free Support Pilot Program?

Our support pilot program is now closed for new applicants. Sign up for our newsletter to receive notifications of future support offerings–we hope to launch a new support service in the future.

Who We Are

We are a team of energy modelers and programmers with many years of experience providing support, training, and software tools for EnergyPlus. We are part of the EnergyPlus Development Team. You can read more about our EnergyPlus work here.