Hi i have just got a free greenhouse given to me for my lottie and was wondering how to put a heating system into the greenhouse their wont be any electic on the lottie so was wondering how i would do this as dont know alot about greenhouses. ???
You need a paraffin heater; you can get them from Homebase and all sorts of places.
Agree with Robert but be careful with the type of paraffin you use, do not use the industrial variety it will kill off your plants.
You could also consider a bottled gas heater!