As of June 1, 2026, we will no longer be selling new TREAT multifamily licenses or Support Renewal. You can continue to use TREAT with a license until it expires. We will reach out to existing customers regarding support.
As of January 1, 2025, we will no longer be selling TREAT single-family licenses or Support Renewal. You can continue to use TREAT with a single-family license as long as you wish.
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.
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.
As of June 1, 2026, we will no longer be selling new TREAT licenses or Support Renewal. You can continue to use TREAT with a license. We will be reaching out to existing customers regarding support.
950 Danby Road,
Suite 201-P
Ithaca, NY 14850
Phone: (607) 277-6240
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