This research is a study of the behaviour of heat from a solar installation on the roof. By comparison, evaluation of heat transfer of roof between the roof, steel roofing, steel sheet metal with metal sheet for the installation of single-crystalline silicon-type solar poly silicon crystal type and a type of thin film Silicon fat by analyzing tree hierarchy.The price, based on the hypothesis after sadu heat transfer and heat transfer of combined roof (RTTV) result of analysis of heat transfer values. It was found that the quantity of heat transfer into the building is steel roofing sheet metal. The roof type solar cells, crystalline poly-crystalline silicon solar roof type single silicon solar panels, film-type Bong a morning Silicon fat, respectively, and an analysis of the value of the total heat transfer of roof. It was found that the total value of the heat transfer characteristics of most roofs, as well as heat transfer above. That's because the installation of solar panels on the roof, roof 2 storey compared, thereby reducing the heat fell to the roof and the sun shield and direct them to the building.
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