US (IA): Local Fairflield greenhouse project breaks ground
The heating system will use underground air movement and water tanks that are placed 15 feet below the surface, and the air will come up through chimney-like structures in the greenhouse. Then an automated system fancied with thermostats will measure the heat and humidity levels of the greenhouse, and if their levels get too high or low, Swinton will get an alert on her smartphone. The data from the thermostats will be gathered and documented every 10 minutes and will be put on the greenhouse’s website so anyone can see how it is working.
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