The greenhouse plants are in need of controlled climate to grow healthy and design of greenhouse is especially meant for maintaining the climate inside the chamber. The atmospheric temperature varies every hour and very low in during the night.
In winter season, the condition will be worst and it is must to create the temperature artificially. Much kind of heaters are available in the market for maintaining the heat inside the chamber of greenhouse. You have to think about the capacity of the heater to maintain the heat in the wide area of your greenhouse.
While selecting the heater you have to take into consideration of the initial and running cost of the heater.The Electric Heaters are most reliable for small size greenhouse, which produces only heat without any smoke and that quality save the opening of ventilation system. Gas heaters are also reliable to use for maintaining the temperature, inside the greenhouse chamber.