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Central Heating System

Correct heating must be done to compensate for falling temperatures or rising humidity.Heating process in greenhouses is carried out by using different heating systems according to the type of cultivation, product pattern and climate conditions.Heating is not a technical problem at the moment, the problem is related to the use of the economical or not.Increasing energy prices and energy bottlenecks force the greenhouse industry to make structural changes in the greenhouse and use automation technology at a high level.The manufacturer should review the short-term and long-term costs. In-greenhouse temperature distributions should be made uniform with the help of three-way valve.Heating in greenhouses is especially important in autumn and winter, when indoor and outdoor humidity are equal.In order to control the high humidity in the greenhouses, it is necessary to overheat and to operate the circulation fans in short periods.In this way, while the water holding capacity of the air increases, the relative humidity is reduced.At the same time, operating the circulating fans in the winter months ensures that the temperature, humidity and CO2 distribution are homogeneous.Drips that may occur on plants and leaves due to condensation are prevented. However, circulation fans should not circulate faster than 1 m / s in order not to cause drying in a way that provides 0.5 m3 / m2 min air movement.While heating is generally done in our country for frost protection, it is mostly used for efficiency and moisture reduction in developed countries.In the southern parts of our country, heating is used only for frost protection, since it is not economical to heat the greenhouses at the appropriate temperatures desired by the plants.For example; It is seen that when heating is made in line with plant demands in Antalya, the efficiency increases by 65% -80%, but this increase in efficiency meets 1/3 of the expenditures made for heating (Yağcıoğlu, 1999).Heating is recommended at minimum 15 ° C at night and 22-26 ° C during the day.



OTHER CLİMATE CONTROL SYSTEMS

Wind Direction, Speed and External Temperature

Heat Humidity Control

CO2 Control

Internal Temperature Control

Central Heating System

Fan Pad System

Exhaust Fan System