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首页> 美国政府科技报告 >Life-Cycle Cost Analysis of Residential Heat Pumps and Alternative HVAC (Heating, Ventilating, and Air-Conditioning) Systems
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Life-Cycle Cost Analysis of Residential Heat Pumps and Alternative HVAC (Heating, Ventilating, and Air-Conditioning) Systems

机译：住宅热泵和替代HVaC（加热，通风和空调）系统的寿命周期成本分析

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A simple methodology is presented for calculating the life-cycle cost of a residential heat pump, an electric furnace with a central air conditioner, and a gas furnace with a central air conditioner. The procedure described in this report involves application of the Annual Performance Factor computer model developed by the Oak Ridge National Laboratory. This model was used to calculate the annual energy consumption of each of the three systems for 117 different climatic locations within the United States for residential buildings of varying sizes and insulation levels. Nine example calculations are included in the report to better explain the calculational procedure. These examples show that the life-cycle costs of the residential heat pump are somewhat higher than those of the gas furnace with central air conditioner. However, the cost advantage of the gas-fired system is not decisive and could disappear in locations having low power costs or if relative fuel prices change. 17 refs., 5 figs., 11 tabs. (ERA citation 13:008991)

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