On this page you'll find a list of qualified computer software for calculating commercial building energy and power cost savings that meet federal tax incentive requirements. To submit software for consideration to be added to this list, please read the relevant Requirements and Submission Process for Qualified Software.

Federal Tax Deduction Qualified Software

Projects shall refer to the Announcement 2023-1 in order to determine the appropriate Reference Standard.

Qualified Software List

This section lists software that can be used to model systems and buildings conforming to the requirements of the 179D tax deduction. Software provides can submit new versions for approval at their discretion.

DesignBuilder
DeST
DOE-2.2
EnergyGauge
EnergyPlus®
eQUEST
Hourly Analysis Program (HAP)
IES Virtual Environment
OpenStudio® with EnergyPlus
TAS
TRACE 3D Plus
TRACE 700
TRNSYS