A construction element that inhibits termites from entering building foundations and walls.

A building energy auditing technique used to determine and/or locate air leaks in a building shell or envelope.

The unit of illuminance equivalent to 1lumen per square meter.

A battery-powered electrically driven vehicle.

The process of transmitting electricity over one or more separately owned electric transmission and distribution systems. (See Wholesale and Retail Wheeling.)

The physically connected generation, transmission, and distribution facilities and components operated as a unit.

A thin sheet of material (metal) of a heat exchanger that conducts heat to a fluid.

The transfer of heat through a material by the transfer of kinetic energy from particle to particle; the flow of heat between two materials of different temperatures that are in direct physical contact.

The total diffuse and direct insolation on a horizontal surface, averaged over a specified period of time.

Ventilation that is created by the differences in the distribution of air pressures around a building. Air moves from areas of high pressure to areas of low pressure with gravity and wind pressure affecting the airflow. The placement and control of doors ...

A colorless, pungent, gas (NH3) that is extremely soluble in water, may be used as a refrigerant; a fixed nitrogen form suitable as fertilizer.

A standard unit of electrical power equal to one thousand watts, or to the energy consumption at a rate of 1000 Joules per second.

The heat absorbed or released when a substance undergoes a change in temperature.

A unit of electrical measurement equal to the product of a volt and an ampere.

A substance(s) or pollutant emitted as a result of a process.

The visible portion of the electromagnetic spectrum with wavelengths from 0.4 to 0.76 microns

A type of heat pump that uses sealed horizontal or vertical pipes, buried in the ground, as heat exchangers through which a fluid is circulated to transfer heat.

A furnace/combustion chamber in which finely ground fuel is blown in spirals in the combustion chamber to maximize combustion efficiency.

A wood or gas burning heating appliance that fits into the opening or protrudes on to the hearth of a conventional fireplace.

The amount of visible light that passes through the glazing material of a window, expressed as a percentage.