Energy efficiency

Energy efficiency

Industry: Energy

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Energy efficiency

District heating

Energy; Energy efficiency

A heating system in which steam or hot water for space heating or hot water is piped from a central boiler plant or electric power/heating plant to a cluster of buildings.

Sensible heat storage

Energy; Energy efficiency

A heat storage system that uses a heat storage medium, and where the additional or removal of heat results in a change in temperature.

Supplementary heat

Energy; Energy efficiency

A heat source, such as a space heater, used to provide more heat than that provided by a primary heating source.

Liquid-to-air heat exchanger

Energy; Energy efficiency

A heat exchanger that transfers the heat contained in a liquid heat transfer fluid to air.

Window frame

Energy; Energy efficiency

The outer casing of a window that sits in a designated opening of a structure and holds the window panes in place.

Building overall heat loss rate

Energy; Energy efficiency

The overall rate of heat loss from a building by means of transmission plus infiltration, expressed in Btu per hour, per degree temperature difference between the inside and outside.

Consumption charge

Energy; Energy efficiency

The part of a power provider's charge based on actual energy consumed by the customer; the product of the kilowatt-hour rate and the total kilowatt-hours consumed.