Energy efficiency

Energy efficiency

Industry: Energy

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Energy efficiency

Absorption

Energy; Energy efficiency

The passing of a substance or force into the body of another substance.

Electric circuit

Energy; Energy efficiency

The path followed by electrons from a generation source, through an electrical system, and returning to the source.

Solar fraction

Energy; Energy efficiency

The percentage of a building's seasonal energy requirements that can be met by a solar energy device(s) or system(s).

Solar time

Energy; Energy efficiency

The period marked by successive crossing of the earth's meridian by the sun; the hour angle of the sun at a point of observance (apparent time) is corrected to true (solar) time by taking into ...

Diffusion

Energy; Energy efficiency

The movement of individual molecules through a material; permeation of water vapour through a material.

The natural, convective movement of air or water due to differences in temperature. In solar passive design a thermosyphon collector can be constructed and attached to a house to deliver heat to the ...

National electrical code (NEC)

Energy; Energy efficiency

The NEC is a set of regulations that have contributed to making the electrical systems in the United States one of the safest in the world. The intent of the NEC is to ensure safe electrical systems ...