The LubiTM, a 145-foot-wide by 12-foot-high wall-mounted solar air heater from Enerconcept Technologies (Magog, Canada), potentially supplies temperatures of 36-45 °F above ambient depending on outdoor temperature and available sunlight. Wind and rain do not affect its performance.
The Lubi's 18-percent higher efficiency compared to other solar air heaters collectors is due to its patented translucent perforated panel technology. Each 3 x 1-foot polycarbonate panel has 906 perforations. Unlike wall-mounted metal solar collectors that suffer thermal losses on their exterior panel surfaces, the Lubi's panels greatly reduce thermal loss because of their transparency and the cooling effect of outdoor ambient air being drawn through the perforations by the building's HVAC air handling system.
In the video below, watch how the Lubi works, how it is installed, and some typical installations.
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