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PSD TREAT Software

TREAT Energy Audit Software

Welcome to TREAT, award-winning energy audit software for comprehensive energy analysis and building modeling. TREAT stands for Targeted Retrofit Energy Analysis Tool.

The home energy audit software that the industry has come to depend on for versatility and accuracy just keeps getting better. TREAT is the winner of the prestigious R&D 100 award and still the only energy audit software approved by the DOE for all residential housing types – including multifamily. TREAT is market tested, with thousands of users enjoying accurate results for over a decade of supporting whole house energy audits.

TREAT is RESNET accredited. With thorough building material libraries, single-family and multifamily versions, and the ability to project savings from combined retrofits, TREAT is a comprehensive and flexible software platform for your energy audit efforts. TREAT features onboard SUNREL energy modeling, dynamic links to local weather logs, a unique model “true-up” feature, and concise energy savings reports to ensure that projected energy savings are reliable and that contractors convert retrofit sales with every house call.

Case Study

NYCHA uses TREAT software and enlisted our Training Academy to help prioritize building improvements.

RESNET Accreditation – TREAT 3.5 remains RESNET Accredited as an Existing Homes Tax Credit Compliance Tool.



TREAT Hardware Requirements

  • Disk space: 2 GB
  • Windows Operating System: Windows XP, 7, 8, and Windows 10
  • Pointing device (i.e. touch screen devices are not supported)

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Moving the industry forward with PSD’s intimate knowledge of how buildings work.


Join our growing team of energy efficiency professionals to help us save energy to save the planet.