The Energy Efficiency Rating (EER) of an air-conditioning unit is defined asthe ratio of the heat removed in Btu/h divided by the energy used in watts.The EEI (Edison Electric Institute) names an air-conditioning unit as anEnergy Star unit if it has an EER of 13 or greater. A 21⁄2-ton air-conditioningunit uses 2.41 kilowatts (2,410 watts) of energy. One ton is equivalent to12,000 Btu/h. Can this unit be termed an Energy Star unit?

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter11: Temperature And Temperature- Related Variables In Engineering
Section: Chapter Questions
Problem 24P
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The Energy Efficiency Rating (EER) of an air-conditioning unit is defined as
the ratio of the heat removed in Btu/h divided by the energy used in watts.
The EEI (Edison Electric Institute) names an air-conditioning unit as an
Energy Star unit if it has an EER of 13 or greater. A 21⁄2-ton air-conditioning
unit uses 2.41 kilowatts (2,410 watts) of energy. One ton is equivalent to
12,000 Btu/h. Can this unit be termed an Energy Star unit?

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