Field Evaluation of an Unglazed, Building-Integrated Solar Domestic Water Heating System

This study analyses the performance of roof-integrated, unglazed, solar thermal systems — one for space heating, one for domestic hot water, and a roof-integrated PV system.

This home built the solar systems with aesthetics in mind, and there is no visible evidence of the solar collectors from the outside of the house. Performance of the solar thermal system was monitored by measuring several temperatures and fluid flow rates.

The results are displayed with charts and graphs to show the difference in usage between certain months with colder temperatures. It also mentions pipe heat loss, examining data of the large amount of energy lost from pipes running between the solar tank and collector manifolds.

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