Energy Implications of Retrofitting Retail Sector Rooftop Units with Stepped-Speed and Variable-Speed Functionality

Studer, D. ; Romero, R. ; Herrmann, L. ; Benne, K.

关键词: BLOWERS;    BUSINESS;    CLIMATES;    ECONOMICS;    ENGINEERS;    MANAGEMENT;    MOTORS;    RETAILERS;    RETROFITTING;    SIMULATION ROOFTOP UNIT;    RTU;    CONSTANT SPEED VARIABLE SPEED;    FAN MOTOR;    Buildings;   

DOI  :  10.2172/1039790
RP-ID  :  NREL/TP-5500-51102
PID  :  OSTI ID: 1039790
Others  :  TRN: US201210%%147

学科分类：能源（综合）

美国|英语

来源: SciTech Connect

【 摘 要 】

Commercial retailers understand that retrofitting constant-speed RTU fan motors with stepped- or variable-speed alternatives could save significant energy in most U.S. climate zones. However, they lack supporting data, both real-world and simulation based, on the cost effectiveness and climate zone-specific energy savings associated with this measure. Thus, building managers and engineers have been unable to present a compelling business case for fan motor upgrades to upper management. This study uses whole-building energy simulation to estimate the energy impact of this type of measure so retailers can determine its economic feasibility.