The effect of cooling by the radiation of heat from a building to the night sky.

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 ...

An air heater in which air is blown over electric resistance heating coils.

A curve that indicates the number of hours per year that specific wind speeds occur.

A device used to control temperatures; used to control the operation of heating and cooling devices by turning the device on or off when a specified temperature is reached.

A registered trademark name for houses built with tires, aluminum cans, and earth.

The use of devices to limit or prevent the release of pollution into the atmosphere.

A turbine that is driven by high velocity jets of water or steam from a nozzle directed to vanes or buckets attached to a wheel. (A pelton wheel is an impulse hydroturbine).

A water heater that heats water before it is directly distributed for end use as required; a demand water heater.

The practice of using a single meter to measure consumption and generation of electricity by a small generation facility (such as a house with a wind or solar photovoltaic system). The net energy produced or consumed is purchased from or sold to the gener ...

A way of joining photovoltaic cells by connecting positive leads to negative leads; such a configuration increases the voltage.

A system capable of rotating about one axis.

A heat exchanger for recovering heat from flue gases for heating water or air.

A construction element used for ceiling support.

A house built into the ground or slope of a hill, or which has most or all exterior surfaces covered with earth.

The distance between similar points on successive waves.

A device that removes contaminants, by mechanical filtration, from the fresh air stream before the air enters the living space. Filters can be installed as part of a heating/cooling system through which air flows for the purpose of removing particulates b ...

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

The concept of capturing and converting the energy available in the motion of ocean waves to energy.

Features and vegetation on the outside of or surrounding a building for aesthetics and energy conservation.