Ultra-High Energy Efficiency Thermal Building Envelope Characterized With greenTEG`s gO System

Researchers used greenTEG’s gO Measurement System (gOMS) to characterize an ultra-high energy efficiency thermal building envelope. This posed challenging measurement conditions for most U-value measurement systems due to very low thermal leakages and flows, which requires high-sensitivity heat flux sensing. However, greenTEG’s gOMS with its high-performance heat flux sensors was designed to tackle such measurement challenges.

The measurements were conducted on a test building of the Fribourg School or Engineering and Architecture (Haute Ecole D'Ingénierie et D'Architecture). The NeigbourHub building project won the Solar Decathlon Competition in 2017. The lead student project coordinator, Maxime Esseiva, calculated the theoretical U-values for three measurement points, compared these with the measurement results and found relatively good agreement. This was the case even for U-values < 0.1 W/(m2 K).

Thus, this project successfully demonstrated the high-performance technical capabilities of the gOMS. As thermal insulation standards improve over time, the gOMS remains the only integrated, plug and play U-value measurement device which can perform to such high standards.

Read the Project Report

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