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TREAT Supports HPXML for The Following Programs

CalTEST Results

CalTEST Uncalibrated Tests

Program Modeling Resources




NYSERDA Home Performance with Energy Star and Multifamily Performance Partner Program Tool

TREAT is an official software tool approved for use in both the Single Family Home Performance with Energy Star program as well as, the Multifamily Performance Partner Program. PSD supports these programs with TREAT software, training, and other building science training to help maintain an educated workforce and help homeowners save energy and money.

Program Modeling Resources

New NYSERDA Workflow
Watch the video on YouTube

Energy Programs

Designing and implementing cost-effective performance-based energy efficiency programs.

Program QA

Leading provider of QA services supporting energy efficiency programs throughout the country.


PSD Compass is a configurable enterprise solution for energy efficiency programs and implementers.


Technology for large-scale electrification, Heat Pump + Retrofit Toolkit, standardized simulations and tools.

Energy Codes

Expert technical leadership achieving decarbonization, cost-effectiveness, resilience, and equity goals.

HERS Provider

Accredited Home Energy Rating Provider, offering nationwide technical support and services.


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.