window efficiency ratio

См. также в других словарях:

• window-efficiency ratio — noun : daylight factor …   Useful english dictionary

• energy efficiency ratio — noun Usage: often capitalized both Es&R : a number expressing the relative efficiency of an appliance (as a room air conditioner) that is obtained by dividing the unit s output in BTUs per hour by its energy requirement in watts * * * a measure… …   Useful english dictionary

• energy efficiency ratio — a measure of the efficiency of a heating or cooling system, as a heat pump or air conditioner, equal to the ratio of the output in B.T.U./hour to the input in watts: A high efficiency home window air conditioner has an energy efficiency ratio of… …   Universalium

• Seasonal energy efficiency ratio — The efficiency of air conditioners is often rated by the Seasonal Energy Efficiency Ratio (SEER) which is defined by the [Air Conditioning, Heating, and Refrigeration Institute] in its standard ARI 210=240, Performance Rating of Unitary Air… …   Wikipedia

• Window — This article is about the part of a building. For the Microsoft operating system, see Microsoft Windows. For other uses, see Window (disambiguation) and Windows (disambiguation). Pair of windows, Old Ship Church, Hingham, Massachusetts …   Wikipedia

• daylight factor — noun : the ratio of the illumination from windows at any point indoors to that out in the open, the test surface being horizontal in each case called also window efficiency ratio …   Useful english dictionary

• Multijunction photovoltaic cell — Multi junction solar cells or tandem cells are solar cells containing several p n junctions. Each junction is tuned to a different wavelength of light, reducing one of the largest inherent sources of losses, and thereby increasing efficiency.… …   Wikipedia

• Air conditioner — For general aspects of air conditioning, see Air conditioning. A typical home air conditioning unit. An air conditioner (often referred to as AC) is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The… …   Wikipedia

• HVAC — may also stand for High voltage alternating current. See also: Glossary of HVAC HVAC systems use ventilation air ducts installed throughout a building that supply conditioned air to a room through rectangular or round outlet vents, called… …   Wikipedia

• Zero-energy building — BedZED zero energy housing in the UK A zero energy building, also known as a zero net energy (ZNE) building, Net Zero Energy Building (NZEB), or Net Zero Building, is a popular term to describe a building with zero net energy consumption and zero …   Wikipedia

• Flywheel energy storage — NASA G2 flywheel Flywheel energy storage (FES) works by accelerating a rotor (flywheel) to a very high speed and maintaining the energy in the system as rotational energy. When energy is extracted from the system, the flywheel s rotational speed… …   Wikipedia