A popular term used for an evaporative cooling device.

Standardized codes used to classify businesses by type of activity they engage in.

The direct, diffuse, and reflected solar radiation that strikes a surface.

Ethyl alcohol (C2H5OH)

A measure of the moisture content of air; may be expressed as absolute, mixing ratio, saturation deficit, relative, or specific.

The ability to dispatch power.

The process of converting municipal solid waste to energy and/or recovering materials for recycling.

A type of lamp that produces light from sodium gas contained in a bulb operating at a partial pressure of 0.13 to 1.3 Pascal. The yellow light and large size make them applicable to lighting streets and parking lots.

The temperature of the air as measured by a standard thermometer.

A solar collector in which the absorber is contained in a sealed glass tube, thereby providing for relatively high temperature heat gain.

The heat produced by combusting a specific quantity and volume of fuel in an oxygen-bomb colorimeter under specific conditions.

An electronic device that allows current to flow in one direction only.

The planting, cultivation, and harvesting of a single species of crop in a specified area.

A battery that uses lithium in the negative electrode and a metal sulfide in the positive electrode, and the electrolyte is molten salt; can store large amounts of energy per unit weight.

A method of controlling a wind turbine's speed by varying the orientation, or pitch, of the blades, and thereby altering its aerodynamics and efficiency.

Nonglossy paint with a relatively high absorptance.

The amount of money required to secure a specified cash flow at a future date at a specified return.

A type of combustion heating system in which combustion air is drawn directly from outside and the products of combustion are vented directly outside. These features are beneficial in tight, energy-efficient homes because they will not depressurize a home ...

A term used to describe a technologically advanced window system that contains glazing that can change or switch its optical qualities when a low voltage electrical signal is applied to it, or in response to changes in heat or light.

Legal documents that regulate construction to protect the health, safety, and welfare of people. Codes establish minimum standards but do not guarantee efficiency or quality.