Articles about greenhouse climate control
A greenhouse at 38°C isn’t just uncomfortable. It’s expensive. Tomato pollen goes sterile above 32°C. Lettuce bolts. Cucumber leaves scorch. If your pad-and-fan system is struggling, every degree over target is yield you don’t get back. High-pressure fog systems have…
Walk into an unventilated greenhouse at noon in July and you’ll know the problem immediately. The air is thick, your glasses fog up, and the thermometer reads something that shouldn’t exist outside a sauna. Plants don’t sweat the way we…
A greenhouse without heat in January is basically an expensive windbreak. The glass or poly might trap some solar warmth during the day, but once the sun drops, the temperature inside tracks the outside within an hour or two. If…
I visited a tomato greenhouse in Almería, Spain, a few years ago. It was mid-July, 38°C outside, and somehow 26°C inside. The grower had spent €4,200 on a pad-and-fan setup three years earlier. He told me it paid for itself…
