This project is to study the behaviour of heat from a solar installation on the roof, by comparative analysis of heat transfer of roof between the roof, steel roofing, steel sheet metal with metal sheet for the installation of solar cell type a, version LSU202 and version more Silicon fat.Single-crystalline silicon-type HSU201 NE-K125E model using the heat balance, coupled with heat transfer based on a hierarchy of roofing materials. Analysis found that the installation of solar panels on the roof, steel roof temperature can reduce the sheet metal into an average 12° c. When analysing heat transfer value based on the hierarchy of roofing materials, it was found that the rate of heat transfer through the roof steel metal sheet into the House, for example, is up 4.62% or 104.58 Watts compared to the rate of heat that affects roofing steel metal sheet and the rate of heat transfer through the back.The price of steel metal sheet for the installation of photovoltaic cells into the House, for example, the average volume, or 1.02% 22.49 Watts as compared to the rate that heat affects solar: rooftop solar installations can reduce the rate of heat transfer through the roof steel metal sheet into place.The House, for example, are down 82.09 Watts or% comparison rate 78.50 heat transfer through the roof steel metal sheet for the installation of photovoltaic cells into the House, for example, is a type of solar cells, Silicon version HSU201 and version more fat-type single-crystal silicon LSU202 NE-K125E has a version of 25.69, or 23.63 and 18.15 w 1.19 and 0.88 0.98%, respectively. Compared with the rates that affect thermal solar panels
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