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There are 262 sunny days last year, 72% of the total number of days in the year. In the warm half year between April and September, 91% days are sunny days. In the cold half year between October and March of the next year, 53% days are sunny days. Even in the coldest two months December and January, we still have 38% sunny days.
Our products adopt evacuated tube technology, which has almost no efficiency loss in winter time. So our solar water heaters will yield hot water for their users whenever there is sunshine. The total availability of hot water from GSE solar heaters is over 70%, saving the same percentage of utility cost on water heater for the users.
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