ora 2kw Fan Heaterora 2kw Fan Heater ora understands how important it is to keep your grow space warm and damp free to grow big, healthy plants. In cooler weather conditions, your intake fans will be pulling cold air into your grow room. Making it harder to keep your plants environment at optimal growing temperatures. Your plants environment should be consistently at 28C or higher to promote growth and flowering. When the grow room environment is unstable and cold,