Climate and environment

Temperature, humidity, VPD, airflow, CO₂ and HVAC, and how they interact.

2 of 50 plannedBeginner · 1Advanced · 1

Climate fundamentals

1

ExplainerBeginner6 minVPD explained: the number behind transpirationVPD is the drying pull on a leaf, not the room's humidity reading. What it measures, why it drives calcium uptake, and the stage targets to start from.

Commercial HVAC

1

GuideAdvanced12 minRedundancy: what happens when a unit fails in week 7 of flowerWhat actually happens to room RH when a dehumidification unit fails in dense late flower, modelled minute by minute, and how much redundancy the risk justifies.

Coming soon

5

Humidity control · 8 plannedTemperature · 8 plannedAirflow, ventilation and odour · 8 plannedCO2 · 8 plannedSensors and controllers · 4 planned