Greenhouse Unit Heaters Redefined
The revolutionary tubular heat exchanger inside the Lennox LF-24 series of greenhouse heaters ensures you years of performance and high efficiency. Combustion is precise because of special "in-shot" burners and fan assisted exhaust. Equipped with a TrueLeaf Combustion Air Separator, it's bullet-proof.

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Flood floors are individually designed to fit any greenhouse, of virtually any size, whether it be a retro-fit in an existing structure or a new one.

Flood floors from the ground up.

Flood Floors are designed for plants in pots or in cell packs. They are placed on 50/50 Slag Mix concrete floors that are flooded for the perfect length of time, then drained.

The floors are flooded with water or a combination of fertilizer solutions. It should be noted that each floor section can have its own fertilizer mix as it requires.

The water rises upwards in the soil medium through capillary action allowing the plants to be irrigated without being waterlogged. The water is controlled to fill each section, gently and evenly with one to two inches of water. The combined fill and drain time per section is usually between six to ten minutes. The unused water then is returned to a reservoir for recirculation.

Flood floors are normally heated. It has been found that the control of root and foliage temperature expedites plant growth while reducing dependence on chemicals.