Product code: ESP10530
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For a successful greenhouse heating system you need a heater/s of sufficient output to heat your area, and a quality thermostat with a low switching differential. This means that when the thermostat switches the heater on, there is enough power to successfully raise the temperature. By using a quality thermostat, the thermostat will switch off again once the temperature has been raised by just 1 degree. With cheaper thermostats housed inside most heaters, the switching differential is as high as 5 degrees, so there is a lot of wasted energy in raising the heat level before the thermostat switches off.