Heating, ventilation and air conditioning equipment

News and Updates

A House Ahead of Its Time

November 4, 2024

A decade in, NIST’s superefficient house continues to generate results and advance building science.

University, NIST Researchers Create Residential Building Models to Evaluate Fairness of Electricity Tariffs

January 1, 2024

The increased adoption of energy technologies like smart meters, solar panels, and battery storage has led to a rise in electricity pricing plans with costs

University, NIST Researchers Develop Strategy for Cutting Home HVAC Electricity Costs

June 1, 2023

To help reduce electricity consumption and its costs, university and NIST researchers proposed a strategy for controlling residential heating, ventilation, and

Publications

Screening for Next Generation Refrigerants

August 26, 2019

Author(s)

Piotr A. Domanski

The availability of refrigerants having low global warming potential (GWP) varies between different applications as it is demonstrated by four system types

Optimization of Air-to-Refrigerant Evaporator with Low-GWP Refrigerants

June 23, 2019

Author(s)

Piotr A. Domanski

An analytical evaluation of the performance of low-GWP refrigerants in a finned-tube evaporator used for residential cooling applications will be presented. The

CYCLE_D: NIST Vapor Compression Cycle Design Program, Version 6.0; User's Guide

November 19, 2018

Author(s)

Piotr A. Domanski, J S. Brown, Eric W. Lemmon

The CYCLE_D package simulates vapor compression refrigeration cycles that use pure refrigerants or blends of refrigerants. The model can simulate a basic

REFLEAK: NIST Leak/Recharge Simulation Model for Refrigerant Blends Version 5.1; User's Guide

November 19, 2018

Author(s)

Piotr A. Domanski, J S. Brown

As alternatives to refrigerants with a high global warming potential, blends of two or more refrigerants are being utilized as working fluids in heat-pump, air

Software

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

Heating, ventilation and air conditioning equipment

News and Updates

A House Ahead of Its Time

University, NIST Researchers Create Residential Building Models to Evaluate Fairness of Electricity Tariffs

University, NIST Researchers Develop Strategy for Cutting Home HVAC Electricity Costs

Publications

Screening for Next Generation Refrigerants

Optimization of Air-to-Refrigerant Evaporator with Low-GWP Refrigerants

CYCLE_D: NIST Vapor Compression Cycle Design Program, Version 6.0; User's Guide

REFLEAK: NIST Leak/Recharge Simulation Model for Refrigerant Blends Version 5.1; User's Guide

Software

HVAC-Cx Building HVAC Systems Commissioning Tool

The NIST Data Alignment Tool

HVAC SIMulation PLUS other systems (HVACSIM+)

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