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Engineering Laboratory / Building Energy & Environment Division

HVAC&R Equipment Performance Group

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ACSIM

February 26, 2026

ACSIM is a simulation tool for single-stage air conditioning systems comprising a compressor, finned-tube evaporator and condenser, thermostatic and electronic

CYCLE_D-HX: NIST Vapor Compression Cycle Model Accounting for Refrigerant Thermodynamic and Transport Properties Version 2.0

January 10, 2021

CYCLE_D-HX simulates the performance of single-compound refrigerants and refrigerant blends in subcritical vapor-compression refrigeration cycles. The basic

CYCLE_D-HX: NIST Vapor Compression Cycle Model Accounting for Refrigerant Thermodynamic and Transport Properties

October 24, 2017

CYCLE_D-HX simulates the performance of single-compound refrigerants and refrigerant blends in subcritical vapor-compression refrigeration cycles. The basic

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