A type of home mortgage that takes into account the energy savings of a home that has cost-effective energy saving improvements that will reduce energy costs thereby allowing the homeowner to more income to the mortgage payment. A borrower can qualify for ...

The generation of electricity or shaft power by an energy conversion system and the concurrent use of rejected thermal energy from the conversion system as an auxiliary energy source.

Any machine capable of producing power to do work. An electric or hydraulic motor, steam engine or similar drive, acting directly on the deck machinery. Note—In a diesel electric motor is the prime mover.

A condition that can occur in a solar collector if the working fluid does not circulate when sun is shining on the collector.

An electrical installation containing power conversion (and sometimes generation) equipment, such as transformers, compensators, and circuit breakers.

The liquid resulting when water vapor contacts a cool surface; also the liquid resulting when a vaporized working fluid (such as a refrigerant) is cooled or depressurized.

A comprehensive legislative package that mandates and encourages energy efficiency standards, alternative fuel use, and the development of renewable energy technologies. Public Law 102-486, October 24th, 1992. Also authorized the Federal Energy Regulatory ...

A device used to compress air for mechanical or electrical power production, and in air conditioners, heat pumps, and refrigerators to pressurize the refrigerant and enabling it to flow through the system.

An instrument for measuring relative humidity by means of wet and dry-bulb temperatures.

A room that faces south (in the northern hemisphere), or a small structure attached to the south side of a house.

The process of changing regulatory policies and laws to increase competition among suppliers of commodities and service. The process of deregulating the electric power industry was initiated by the Energy Policy Act of 1992. (See also Restructuring)

A geothermal energy resource that consists of high temperature rocks above 300 F (150 C) that may be fractured and have little or no water. To extract the heat, the rock must first be fractured, then water is injected into the rock and pumped out to extra ...

A device used to regulate motor speed, or, in a wind energy conversion system, to control the rotational speed of the rotor.

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

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

Sensible and latent heat contained in combustion gases and vapor emitted to the atmosphere.

A clear, colorless, very mobile liquid that is flammable and poisonous; used as a fuel and fuel additive, and to produce chemicals.

A large power plant that generates power for distribution to multiple customers.

An electrochemical device that converts chemical energy directly into electricity.

The use of two or more different fuels (e.g. wood and coal) simultaneously in the same combustion chamber of a power plant.