High Performance Buildings Portal

Concerns over global warming and ozone depletion will limit or phase out several refrigerants currently used in commercial and residential cooling … more

Buildings account for 40 % of the primary energy consumption and 72 % of the electricity consumption in the United States, while accounting for 40 … more

A national effort has been undertaken to modernize the electricity generation, transmission, and distribution system creating a new "smart … more

Successfully delivering the desired early-age performance of concrete, upon which long-term sustainable performance depends, requires careful … more

Building stakeholders need compelling, practical metrics, tools, and data to support investment choices and policy making related to sustainable … more

To achieve more sustainable use of polymers and concrete in the US infrastructure, construction, manufacturing, and energy production, specifiers … more

The 1-meter guarded hot-plate apparatus measures thermal conductivity of building insulation. This facility provides for absolute measurement of … more

In order to accurately predict the annual energy production of photovoltaic systems for any given geographical location, building orientation, and … more

NIST has developed a test facility for residential fuel cell systems to determine the performance of these systems on a seasonal basis. The … more

NIST's mobile solar tracking facility is used to characterize the electrical performance of photovoltaic panels. It incorporates … more

The long term performance of building integrated photovoltaic panels is measured "in-situ"using the Building Integrated Photovoltaic … more

Large "Truck" Chamber The large "truck" chamber provides controlled air conditions from -7 °C (20 °F) to 65 °C … more

LoopDA is a natural ventilation design tool developed by the National Institute of Standards and Technology. Version 3.0 is an update to the … more

CONTAM is a multizone indoor air quality and ventilation analysis computer program designed to help you determine: (a) airflows: infiltration, … more

The BEES ( B uilding for E nvironmental and E conomic S ustainability) software brings to your fingertips a powerful technique for selecting … more

EVAP-COND is a software package that contains NIST's simulation models for a finned-tube evaporator and condenser. EVAP-COND's help menu … more