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I want to know if it is O.K. to heat a greenhouse with a kerosene heater. I am growing hydroponic tomatoes.
Last Updated: February 15, 2007
Other than using a heat pump or electric heat, all burners must be vented to the outside. Never allow gases to remain inside the greenhouse, as tomato plants are very sensitive to certain pollutants found in fossil fuel exhaust. Especially with kerosene and propane space heaters, the potential exists to poison plants with toxic pollutants. Also, space heaters may consume oxygen and deplete it to the point that incomplete combustion may result, producing harmful by-products. Or the lack of oxygen may cause the flame to go out and the burner to shut off. In either case, the use of unvented heaters is too risky for the greenhouse grower.
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