Energy efficiency

News and Updates

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

New NIST Framework Strives for Cleaner, More Secure Power Grid

February 18, 2021

Whether it’s a new set of solar panels glistening on a neighbor’s roof or a freshly installed smart thermostat at home, burgeoning renewable and smart

Quantum Matchmaking: New NIST System Detects Ultra-Faint Communications Signals Using the Principles of Quantum Physics

September 23, 2020

Researchers at the National Institute of Standards and Technology (NIST) have devised and demonstrated a system that could dramatically increase the performance

Projects and Programs

Nanocalorimetry Measurements

Ongoing

Nanocalorimetry provides a capability to measure the thermal properties of very small samples and at very fast rates. Materials and interfaces of interest

Smart Grid Interoperability Testbed Facility

Ongoing

NIST is charged by the 2007 Energy Independence and Security Act (EISA) with facilitation of interoperability standards to enable successful implementation of

Nanotribology for Nanomanufacturing (Archived)

Completed

Tribology is the science and technology of interacting surfaces in relative motion and includes studies of friction, adhesion, lubrication, and wear

Optoelectrical Characterization of Nanostructured Photovoltaic Materials and Devices

Completed

Photovoltaics technology is usually categorized into three generations: 1) devices based on polysilicon; 2) devices based on thin-film direct bandgap

Publications

A Residual Entropy Scaling Approach for Viscosity of Refrigerants, other Fluids and their Mixtures

August 21, 2023

Author(s)

Xiaoxian Yang, Xiong Xiao, Monika Thol, Marcus Richter, Ian Bell

In our previous work (J. Chem. Eng. Data 2021, 66, 3, 1385–1398), a residual entropy scaling (RES) approach was developed to link viscosity to residual entropy

A Simulation Framework for Analyzing the Impact of Stochastic Occupant Behaviors on Demand Flexibility in Typical Commercial Buildings

June 27, 2023

Author(s)

Zhelun Chen, Yicheng Li, Jin Wen, Liang Chung Lo, Gabriel Grajewski, Zheng O'Neill, Amanda Pertzborn, Vance (Wm.) Payne, Steven T. Bushby

As one of the primary users of the electric grid, buildings and building equipment, including heating, ventilation, and air conditioning (HVAC) systems, can be

Space-conditioning and water heating with a Ground-Source Integrated Heat Pump (GS-IHP) for residential NZEBs

June 16, 2023

Author(s)

Dongsoo Jang, Harrison M. Skye

Implementing NIST Infiltration Correlations

March 31, 2023

Author(s)

Jyrteanna Teo, Lisa Ng

This tutorial is a guide on how to implement the NIST infiltration correlations (Ng et al., 2021) into EnergyPlus building energy simulation software for the US

Software

HVAC-Cx Building HVAC Systems Commissioning Tool

November 30, 2022

HVAC-Cx is a semi-automated commissioning software tool designed to facilitate performance analysis for heating, ventilating, and air conditioning (HVAC)

The NIST Data Alignment Tool

August 12, 2022

The Data Alignment Tool (DAT) was built to assist with the analysis of data used in testing fault detection and diagnostics (FDD) tools and building

Building Life Cycle Cost Programs

May 3, 2022

The National Institute of Standards and Technology (NIST) developed the Building Life Cycle Cost (BLCC) Programs to provide computational support for the

HVAC SIMulation PLUS other systems (HVACSIM+)

May 11, 2021

The first version of HVACSIM+, which stands for “HVAC SIMulation PLUS other systems”, was introduced by National Institute of Standards and Technology (NIST) in

Tools and Instruments

Apparatus for the Measurement of High Temperature Thermoelectric Transport Properties

Description The Seebeck coefficient is a widely measured transport property that provides fundamental information on charge carrier transport and the electronic

Material Analysis Using Neutron Depth Profiling

Light elements such as helium, lithium, boron, and nitrogen are essential constituents in materials that enable energy technologies; lithium ion batteries