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Quantifying the nationwide HVAC energy savings in large hotels: the role of occupant-centric controls
Published in Journal of Building Performance Simulation, 2021
Zhihong Pang, Yan Chen, Jian Zhang, Zheng O’Neill, Hwakong Cheng, Bing Dong
Carle (2014) conducted a case study to instigate the energy savings of HVAC OCC for hotel guestrooms in a five-star hotel in the Middle East. The actual energy use and costs of two rooms, of which one had standalone occupant-centric controls and the other did not, showed that the occupancy presence sensor could bring an energy-saving ratio of 35%. The calculated Return on Investment (ROI) was about 3.5 years, and the Internal Rate of Return (IRR) over six years was 18.9%.