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The Basics of Greenhouse Heating and Cooling Systems
Proper cooling, heating, and ventilation systems are critical for the success of your greenhouse. Exactly what you'll need depends on your climate and the types of plants grown. Regardless of what types of systems you create or install, consider the individual requirements of each plant and locate it in the part of the greenhouse that will best meet that plant's needs. Heating a greenhouse
Cold climates require well-insulated greenhouses. A solar greenhouse will, as the name implies, absorb more light than the other types, which will save on the heating bill. Heat can be stored in any material that absorbs heat well, such as barrels or jugs of water or a brick or rock wall. Solar systems may be passive (which does not use a mechanical device to distribute solar heat from a collector) or active (which uses collectors to absorb solar radiation and electric fans or pumps to distribute the heat through the air). Cooling a greenhouse
In very hot climates, the greenhouse will need cooling. Shade cloths are the simplest method of cooling, with swamp or evaporative coolers next in line. A swamp cooler is a large frame holding a fan walled in by pads of wood (usually aspen) fiber. These pads are kept wet by a water pump. As the fan draws hot air past them, the water evaporates and cools the air. This work well only in dry desert areas, but not in areas with high humidity. Ventillation
Because a greenhouse is so well enclosed, ventillation is a special consideration. A door that can be propped open, or hatches or windows in the roof or walls are usually enough. For greenhouses with a larger crowd of plants, a fan can be installed. For full details on how to build a greenhouse and tons of other landscaping tips, stop by Backyard- Landscaping-Ideas.com. |
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This intel was contributed by ozhina
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May, 2012
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