What size panels should I buy?
There are various sizes of solar power panels available. The higher the output, the higher will be the efficiency of the solar panel (as long as the size of the solar panel is the same - of course). A number of years back the 170W to 190W solar power panels were considered a high wattage panel. Today the technology has improved so that 260W panels are considered a good solid efficiency as more solar power can be produced in a smaller roof space. LG offers panels from 285W to 315W. As a rule of thumb, the higher the efficiency, the higher the cost of the panel. Nevertheless some higher efficiency panels can offer a shorter return on investment period. Please discuss the Return on Investment period with your LG solar installer (LG Dealer Search) .
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