Table 5: Monthly heating and cooling consumption (kWh) for soil-less tomato cultivated in PV and glass greenhouse located in Ragusa, with the difference (kWh) and the saving (variation percentage).

RAGUSAGreenhousePV greenhouseDifferenceVariation %
MonthHeatingCoolingHeatingCoolingHeatingCoolingHeatingCooling

January5770517060010.330.00
February1490111038025.470.00
March16473729373071664343.2390.10
April018560048210137390.0074.02
May0419450243050176410.0042.06
June0607000412940194060.0031.97
July0788800548480240320.0030.47
August0726750469820256930.0035.35
September0489510254040235470.0048.10
October020986055630154230.0073.49
November61044017028.290.00
December3060251055017.870.00