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weed grow room design

Weed grow room design

In the past, 1,000 tons of refrigeration capacity was needed for 80,000 to 10,000 square foot facilities such as a data center, hospital, or school. A grow room requires similar, but they are dramatically different. A grow room has a much higher latent load (moisture/dehumidification load). The humidity in the grow space must undergo more cooling to effectively condense the humidity off the cooling coil. A much colder chilled water temperature is needed. When growing cannabis, the lights-out mode means that growers must dry the air and then reheat it, so the grow room does not start to over-cool. The reheat can use free energy obtained from the dehumidification process when the right HVAC system is used. Having an experienced company, such as Mintropy, handle such key specifics is necessary for the success of any commercial cannabis grow facility.

The crucial component of any commercial grow op setup remains the HVAC systems used. The HVAC company will gather the needed information from the cultivation consultant and engineer so they can focus on the necessary electrical use, Co2 requirements, air circulation, purification, and moisture quantity that is forecast to be generated at the site. They will then work to create the ideal environmental settings needed for all the various stages of the marijuana or hemp growth cycles to effectively control the conditions of the indoor grow facility.

The commercial cannabis industry is constantly changing and evolving. Without a doubt, the one crucial component of any commercial grow op setup remains the HVAC system. Standard commercial HVAC companies often lack the experience needed to provide the correct environmental conditions required by a craft grow facility.

The cornerstone to creating any commercial grow facility, such as those needed in cannabis cultivation, requires a well-thought-out layout and optimum mechanical systems. As an example, with an indoor cultivation facility design the mistake of under-sizing the environmental controls are an all too common occurrence. The cultivation facility design must feature an HVAC system with redundancy and a backup power source. In addition, they should be cleanable outside of the grow rooms and be easy to repair. The units remove massive amounts of moisture caused by the abundant cannabis plant growth, so it is imperative that they have properly sized units to meet the needs of the grow room’s space.

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The Commercial Cannabis Craft Grow Industry

Standard commercial grow room design plans does vary depending on your crop and your cultivation practices. Will you be using hydroponics or standard soil medium? Typically, indoor cannabis cultivation has at least eight spaces or more flower rooms with a standard measurement of 30 feet across and between 50 to 100 feet long. Dividing the indoor grow facilities into individual rooms allows each one to become self-contained with their own temperature controls. Needed pest treatment practices become easier. Also, the workflow is reduced to doable and digestible chunks. The cultivation facility design that consists of various rooms affords various planting and harvest times. The rooms are also easily quarantined from the rest of the facility to control any pest or mold outbreak so only a small percentage of the crop is damaged or destroyed and the entire grow operation does not perish. A standard marijuana grow facility design with room division allows you to test the efficiency of Co2 injection, factor in various types of lighting, and monitor the nutrient regime that occurs. Another room can also house the same cultivars but have them grown under different variables, so you obtain reliable data and make any needed protocol changes.

A craft grower is a facility that is licensed by the Department of Agriculture to cultivate, dry, cure, and package hemp or marijuana. They each have their own commercial marijuana grow room design plans but for licensing as a craft grow, they must contain at least 5,000 square feet of canopy space for the cannabis plants during the flowering stage of their life cycle. The Department of Agriculture can authorize either an increase or decrease of space for the flowering cultivation stage which occurs in increments of 3,000 square feet depending on the market need, the craft grow house design capacity, and the history of the licensee’s compliance or noncompliant issues. The maximum set forth is 14,000 square feet for cultivation when the plants enter their flowering stage. However, the commercial grow room design plan laid forth by the USDA encompasses all the growth stages of the cannabis plant which drives home the importance of them being secured and enclosed in an indoor cultivation facility design.

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Within the confines of the indoor grow facility, air circulation keeps the plant’s canopy slightly swaying because of the artificial breeze. The upper flowers in a vertical grow are then prevented from getting excessively hot. Clearly, the environmental controls are of paramount importance or cannabis crop loss can occur and pests from clones can easily enter the facility if things are not kept at consistent levels. Engineering and installation are one of the biggest investments (if not the biggest) of any commercial grow room design plan. You cannot cut corners, or the financial losses quickly become insurmountable.

Engineering the Warehouse Grow Room Design

Any engineer used to create a craft grow facility should have experience with indoor plant cultivation facilities. The design of the commercial grow room will feature the necessary environmental controls, plumbing, and electrical requirements, backup power system, and typically HVAC redundancy. To achieve all of this, most will hire various engineering firms that specialize in the key areas to make the commercial grow room a success.

At Mintropy, our engineers will consider the following for your craft grow facility design:

Weed grow room design

Grow vertical with 3 tiers of canopy space. The systems can expand up to 30 feet tall.

The owner of this new medical cannabis cultivation facility wanted to maximize yields and profits by growing as many plants as possible in the grow rooms, but the state-issued commercial cannabis cultivation license restricted the grow area’s footprint to 3,000 square feet. The license didn’t limit the grow rooms’ volume, though, so the team decided to go vertical and grow on multiple tiers. Spacesaver was the only mobile vertical racking provider that could manufacture a system robust enough to fill the grow rooms both horizontally and vertically.

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Download Cannabis Grow Brochure

When designing a commercial cannabis facility, one of the first considerations is the amount of square footage that can be devoted to the grow rooms. Most legal growers’ licenses restrict the cultivation footprint. Even if square footage is unrestricted from a licensing standpoint, finances can limit a cultivation facility’s size: real estate costs are soaring in many markets and climate control is expensive, too. The larger the facility, the higher the costs, so saving space is important.

Sqft. Canopy Area

The Challenge: Restricted Square Footage

In the example above, the growers were able to quadruple their grow area in the same square footage. Simply installing mobile benching on one tier would have gained 75% more area than stationary tables. Then they tripled that space savings by going vertical.