Making the Most of an Efficient HVAC System for Greenhouses

Efficient HVAC System for Greenhouses

Great article from Cannabis Business Times …

A greenhouse brings a grow closer to the elements, but the same sun that feeds the plants can also push the temperature far past the comfortable range for cannabis.

One main consideration is whether the greenhouse will be “open” or “closed,” says Nadia Sabeh, agricultural and mechanical engineer for consulting/engineering firm Guttmann & Blaevoet. An open greenhouse has some form of air flow from outside the structure, while a closed greenhouse is structured more like an indoor grow and mostly sealed. But even though an open greenhouse has more interaction with outside air, it doesn’t mean the cooling strategy is … just to open a window, she says.

Advanced Light Deprivation

Efficient HVAC System for Greenhouses

Advanced light deprivation is by design, using the power of the sun while also being able to supply supplemental lighting during periods of rain or cloudy days in March/April runs. There has been a recent surge in this particular practice of farming, largely in part that supplemental lighting is not required at all during the summer months. This drastically cuts down on energy costs typically seen with HID lighting. 

The quality of light deprivation cannabis, when mastered, can often match the quality of indoor cannabis. The cost ratio analysis is clear. By using the suns power, you drastically reduce energy costs. By maintaining quality, you still retain a higher price point. Simply from a capitalistic perspective,  AAA+ light deprivation cannabis has a higher return on investment than indoor cannabis any day.

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