**efficiency ratio** — A ratio that measures the efficiency of labour or an activity over a period by dividing the standard hours allowed for the production by the actual hours taken. It is usually expressed as a percentage, using the formula: (standard hours allowed × … Accounting dictionary

**efficiency ratio** — A ratio that measures the efficiency of labour or an activity over a period by dividing the standard hours allowed for the production by the actual hours taken. It is usually expressed as a percentage, using the formula: (standard hours allowed × … Big dictionary of business and management

**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

**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

**Protein efficiency ratio** — (PER) is based on the weight gain of a test subject divided by its intake of a particular food protein during the test period.From 1919 until very recently, the PER had been a widely used method for evaluating the quality of protein in food.In… … Wikipedia

**Efficiency** — as a technical term may refer to: * Algorithmic efficiency, optimizing the speed and memory requirements of a computer program * Efficient energy use, useful work per quantity of energy ** Energy conversion efficiency, desired energy output per… … Wikipedia

**energy efficiency ratio** — en′ergy effi ciency ra tio n. cvb ene a measure of the efficiency of a heating or cooling system, equal to the ratio of the output in BTU per hour to the input in watts Abbr.: EER … From formal English to slang

**Energy Efficiency Ratio** — (EER) The measure of the instantaneous energy efficiency of room air conditioners; the cooling capacity in Btu/hr divided by the watts of power consumed at a specific outdoor temperature (usually 95 degrees Fahrenheit) … Energy terms

**Seasonal Energy Efficiency Ratio** — (SEER) A measure of seasonal or annual efficiency of a central air conditioner or air conditioning heat pump. It takes into account the variations in temperature that can occur within a season and is the average number of Btu of cooling… … Energy terms