Journal
BUILDINGS
Volume 12, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/buildings12050670
Keywords
HEAT; building thermal monitoring; temperature-based method; energy efficiency; transmittance parameter; low-cost sensors
Funding
- Spanish Ministry of Economy and Competitiveness [BIA2013-47290-R, BIA2017-86811-C2-1-R, BIA2017-86811-C2-2-R]
- Ministerio de Ciencia Innovacion y Universidades [PRE2018-085172]
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A novel hyper-efficient Arduino transmittance-meter was introduced to overcome limitations in appraising the thermal performance of building envelopes. The experimental results showed a high level of cost reduction and a low range of difference compared with a commercial device, validating the applicability of the proposed thermal monitoring system.
Owing to the high energy consumption in the building sector, appraising the thermal performance of building envelopes is an increasing concern. Recently, a few in situ methodologies to diagnose the thermal parameters of buildings have been considered. However, because of their limitations such as low accuracy, limited number of measurements, and the high cost of monitoring devices, researchers are seeking a new alternative. In this study, a novel hyper-efficient Arduino transmittance-meter was introduced to overcome these limitations and determine the thermal parameters of building envelopes. Unlike conventional methodologies, the proposed transmittance-meter is based on synchronized measurements of different parameters necessary to estimate the transmittance parameter. To verify the applicability of the transmittance-meter, an experimental study was conducted wherein a temperature-controlled box model was thermally monitored, and the outputs of the transmittance-meter employed were compared with those captured by a commercial device. The results revealed a high level of reduction in cost and a low range of difference compared with the latter, thereby validating the applicability of the proposed thermal monitoring system.
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