What can i do if i want o circulate air in and out of a greenhouse?
My school’s courtyard is under construction and i was asked to come up with a way to circulate air in and out of the greenhouse. i want to maintain a 45 degree F. temperature in the winter and a 60 degree F temperature in the summer. there will also be some sort of a solar blanket on top of the greenhouse to keep sunlight in but heat out. if there are any ways you know to maintain these temperatures and have a funtional greenhouse please help.
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Natural ventilation:
- Open-roof greenhouses
- Side vents (not as efficient due to uneven temperature.)
The use of natural ventilation means, of course, that your greenhouse will be better ventilated during the summer since you can afford to exchange heat loss for increased ventilation.
Fan Ventilation:
- Use temperature controlled fans to draw cool air from the outside when you can afford the heat loss.
- Position the fans in opposite sides of the building, ensure the exhaust fans is not going into the wind.
- The fans should be positioned so air exchange occurs through the canopy.
Heated ventilation:
- Combination of a heater and the fan ventilation system, for use during winter seasons.
- Consists of perforated poly-tubes that draws in fresh air, heats it and injects it into the greenhouse.