Abstract

The common placement of thermostats in offices might not reflect the actual thermal environment around occupants and influence the energy use. In this research, it is questioned which type of thermostat at which location better represents the conditions in the occupied zone and what is the effect on energy use. To answer this, simulations of indoor thermal environment, experiments in a climatic chamber and calculation of the energy use are performed for a two-person office room with a south orientated window. The results obtained allow to provide recommendations about the thermostat type and its placement in the office space.

Highlights

  • The quality of the indoor environment plays a crucial role in occupant health, performance and wellbeing [1]

  • The highest temperatures measurements were near the window at 1.1 m level, and the lowest values were at the wall at 1.5 m level

  • Conventional thermostats measurements were the highest that might lead to the increased energy use compared to the reference condition

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Summary

Introduction

The quality of the indoor environment plays a crucial role in occupant health, performance and wellbeing [1]. To provide an appropriate satisfactory thermal environment for occupants, typically, the indoor temperature is controlled by thermostats that are placed on a wall, far away from the occupied zone. Such a location is convenient from the maintenance point of view, the measurements of the thermostat might not reflect the actual thermal environment experienced by occupants. If a thermostat is located away from the occupied zone, it might provide inadequate thermal comfort and increase energy use for thermal conditioning. It is important to explore the effect of the location of the thermostat on the thermal comfort of occupants along with its effect on energy use

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