Abstract: A hydroponic system for optimizing a growing environment is disclosed. The system includes a growth chamber, with one or more growing racks disposed in therein. An air unit is configured to force air into a first end wall and a second end wall on opposite sides of the growth chamber. An exhaust fan is disposed on a top wall and generally centered with respect to the growth chamber. The exhaust fan is configured to draw the forced air out of the growth chamber. A controller controls the make-up air unit and the exhaust fan to achieve a desired vapor pressure deficit.