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Equipment for the air conditioning of the grow room

Besides the lighting, the right indoor climate is the most important factor for indoor growing. This is determined by temperature, humidity and the exchange of fresh air. It is necessary to create a climate as it occurs in the wild and to set some parameters in such a way that, for example, mould growth is prevented by humidity that is not too high. Various devices are available to the grower for this purpose. Some of them are absolutely necessary (exhaust air, supply air, air circulation), others like a fan controller, humidifier, etc. are only essential in special cases if you want to move at the optimum and mega harvests.

Necessary equipment for air conditioning:

Thermometer: shows the temperature in the growroom, it is best to use a thermometer that shows / stores the lowest and highest values of the day, as well as the current temperature. There are analogue and digital models, with or without radio transmission and combination meters that measure both temperature and humidity.

 

Mini-Max ThermometerThermometer, hygrometer

  •  Hygrometer: Displays the humidity in the growroom, the best is a hygrometer that records the lowest and highest values of the day and displays the current humidity. Again, there are analogue hair hygrometers and digital versions, the analogue ones are slightly more accurate but more difficult to calibrate.

Hair hygrometerDigital Hygro-ThermometerThermo Hygrometer digital

  • Fan for exhaust air: ensures that there is an exchange of air in the growroom by blowing the air out of the room and allowing fresh air to flow in. Together with the light source, the most important component. There are different versions, with or without temperature or speed control. The fans are connected to a Ventilation pipe and can be fitted with a Activated carbon filter can be fitted. This filters the strong smell of the cannabis plants so that the exiting air does not smell. To counteract the noise of the exhaust air, an additional Silencer can also be installed.

low-noise fanPrima Klima incl GSE ControllerFan

  • Fan(s)Clip fans: they prevent stagnant air and ensure a uniform climate. They also allow air exchange in dense buds, preventing botrytis. There are large Pedestal fans, Circulating table fans and small Clip fanswhich can be simply clipped into the growroom.

Fan oscillating, circulating airFan, circulating airFan oscillating, circulating air

other devices for air conditioning:

Grow, Cultivation ControlGSE Climate Controller 2010GSE temperature controller

  • Supply air fanAn axial fan is used when not enough fresh air can be drawn in. This is the case, for example, if the fresh air has to be drawn in from another room because of the temperature or humidity.

Axial, Supply air in the growroom, Cultivation tips, Care for cannabis properly Axial, supply air in the grow box

  • Humidifier: is used when the air humidity is too low despite regulation of the fan. This can happen quickly, especially in the summer during prolonged dry periods. Since the fan has to run all the time, it is only possible to regulate it to a limited extent. During the growth phase, the young plants need a humidity of about 65-70%, which can be ensured by an ultrasonic humidifier.

Ventilution HumidifierHumidifier

  • Dehumidifier: is used when the air humidity is too high despite regulation of the fan. This can be the case in winter or in damp cellar rooms. During the flowering phase the humidity should be 40-50%, this is often not possible in humid areas via ventilation alone. The dehumidifier removes the water from the room air and thus lowers the humidity.

Cornwall Electronics Dehumidifier, 10l/day

  • HeaterWhen the lamp is on in the growroom, there are usually no problems with temperatures being too low. However, the room temperature often drops rapidly at night in winter. This not only affects the vegetation, but also makes it easier for fungi and mould to spread. Therefore, it is often advisable to use a heater and keep the temperature relatively constant day and night.

Catalytic heater scirocco hotbox, climate control during cultivation, heating the growroom, growshop

  • Air conditioningIt is used when the temperature in the growroom is too high despite sufficient exhaust air.
  • CooltubeIt is a special insert for the lamp that can be connected to the ventilation system and removes the hot air from the lamp. This means that the air in the growroom does not heat up as much as it does with "normal" sodium vapour lamps.

Ventilution Cool TubeAir Cool Reflector Set

You can find out how to optimally control the climate in the growroom with the individual devices in our report. Climate control in the growroom.

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