Thankfully, the door of small greenhouses offers an alternative means of ventilation which partially compensates for lack of roof ventilation. Side ventilation, commonly by louvres, is less effective ...

clear roofing panels measure about 2 x 1 ft/ 60 x 30 cm, 0.16 inch/ 0.4 cm in height, and the appropriate size is suitable for covering your greenhouse frame, you can cut them to the size you need ...

the Pi controls two exhaust fans located at opposite corners at the base of the greenhouse. These are speed controlled through a custom board and are used for drawing air in from the roof vents. A ...