Unmasking the Role of Remote Sensors in Comfort, Energy and Demand Response
arxiv(2024)
摘要
In single-zone multi-room houses (SZMRHs), temperature controls rely on a
single probe near the thermostat, resulting in temperature discrepancies that
cause thermal discomfort and energy waste. Augmenting smart thermostats (STs)
with per-room sensors has gained acceptance by major ST manufacturers. This
paper leverages additional sensory information to empirically characterize the
services provided by buildings, including thermal comfort, energy efficiency,
and demand response (DR). Utilizing room-level time-series data from 1,000
houses, metadata from 110,000 houses across the United States, and data from
two real-world testbeds, we examine the limitations of SZMRHs and explore the
potential of remote sensors. We discovered that comfortable DR durations
(CDRDs) for rooms are typically 70
with the thermostat. When averaging, rooms at the control temperature's bounds
are typically deviated around -3F to 2.5F from the average.
Moreover, in 95% of houses, we identified rooms experiencing notably higher
solar gains compared to the rest of the rooms, while 85
demonstrated lower heat input and poor insulation, respectively. Lastly, it
became evident that the consumption of cooling energy escalates with the
increase in the number of sensors, whereas heating usage experiences
fluctuations ranging from -19
assessing the thermal comfort and DR services in the existing housing stock,
while also highlighting the energy efficiency impacts of sensing technologies.
Our approach sets the stage for more granular, precise control strategies of
SZMRHs.
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