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Fan Controllers

Digital Heat Mat Thermostat

The digital Heat Mat Thermostat by Root!t is a digital device which will ensure precise temperature control. The thermostat is designed to evenly spread the heat of the mat to suit the optimum growing temperature
From £34.99

Ecotechnics Evolution Digital Temperature & Humidity Controller

The Ecotechnics Evolution is a fully programmable, digital controller which offers excellent value for money.
From £199.95

Rhino Fan Controller

The Rhino RC-1 Fan Controller is a great option for growers with smaller fans.
From £99.95

SMSCOM 4.5amp Twin Fan Speed Controller MK2

The SMSCOM 4.5amp Twin Fan Speed Controller MK2 allows almost total control of the speed of two fans and helps maintain an optimum temperature in your room or tent.
From £89.95

SMSCOM 6.5amp SMART Fan Speed Controller MK2

The SMSCOM 6.5 Single Fan Speed Controller is an effective way to regulate the speed of one fan.
From £49.95

SMSCOM SMART MK2 Thermostat (6.5amp)

The SMSCOM Thermostat connects to the 6.5A Single Fan Speed Controller allowing you to control the temperature in your grow room.
From £17.95

Control Freak Dynamic Frequency Fan Controller

Control Freak Dynamic Frequency Fan Controllers are quality, money saving, silent contollers perfect for any indoor growing. Control Freak fans offer complete control over temperatures and air movement. Each controller has 2 plug sockets so you can have the Intake plugged in at the same time as the extraction fan if you choose to do so. Control freak enable you to change the Bandwidth (hysteresis) meaning you can set a tight bandwidth for precise temperature control or set a loose bandwidth for a smoother speed. You can be confident these controller will perform well saying with the target set temperature, there are 90 speed fan settings to choose from ranging from 10-100%. Readings are clearly displayed on a Large LCD display screen.
From £274.95


Our aim at Grow magic is to make growing your own crops as easy as possible. Fan controllers are just another way to make your time more efficient and the outcome more enhanced.

The purpose of fan controllers are to allow you to adjust your fan speeds in accordance to your current grow room needs. From time to time you will need to change the output of your fans to adjust temperature and humidity in the room and these controllers are ideal.

There are different types of controllers including Resistive type controllers and Voltage controllers. These fans work differently and produce different noise levels. Resistive types are known for being noisier as they work by slowing the fans down so you can change the balance of intake and extraction.

Voltage controllers are typically quieter and change the power output by using a variac to change the power supply to the fan.

If you require any advice on how to use fan controllers, or which would be best for you, please contact us!