In addition to the common electrically operated greenhouse heaters, there are a variety of alternative heating methods to create an ideal indoor climate in the greenhouse. For example, heating systems that are operated with paraffin oil are very advantageous. Paraffin promises efficient and economical heat in the greenhouse, regardless of power and energy prices. Our greenhouse heater “Warmax Antifrost” is flexible, easy to use and extremely economical. Thanks to its compact form, it is suitable for even the smallest of greenhouses.