System for providing circulating air for a vertical gardening system

1. A flow distribution assembly, comprising:

a rack having a plurality of shelves defining vertically aligned plant growing areas; and

an air system mounted on and supported by the rack, the air system comprising:

a housing having an air inlet portion and a pair of air outlet portions, and defining a plenum between the air inlet and outlet portions, wherein the air inlet portion is positioned laterally outboard of the vertically aligned plant growing regions;

a first elongated duct and a second elongated duct each having an end fluidly coupled to a side of the housing at one of the air outlet portions, and extending linearly along one of the shelves to an opposite end, wherein the first and second elongated ducts are positioned at opposite sides of the air inlet portion; and

a fan fluidly coupled to the air inlet portion of the housing and configured to direct ambient air into the housing through the air inlet portion;

wherein the first and second elongated ducts each have a plurality of openings defined along the first and second elongated ducts and arranged to direct air at one of the plant growing areas; and

wherein the first and second elongated ducts are configured to extend along the rack such that air passing through the air inlet portion is received into the housing in a vertical direction and the air passing through the first and second elongated ducts flows in a horizontal direction.

2. The assembly of claim 1 further comprising at least one filter positioned within the housing.

3. The assembly of claim 1 further comprising an intake collar mounted at the inlet portion of the housing.

4. The assembly of claim 3 , wherein the fan is coupled directly to the intake collar and positioned laterally outboard of the vertically aligned plant growing regions.

5. The assembly of claim 4 , wherein the fan, the collar, and the air inlet portion are configured so that air flows downwardly through the fan, the collar, and the air inlet portion.

6. The assembly of claim 1 further comprising a plurality of tracks configured to support said rack, wherein said rack is movable along said tracks.

7. The assembly of claim 1 further comprising one or more flow diverters configured for securement within at least one of the plurality of openings, wherein the one or more flow diverters further extend externally through the plurality of openings.

8. The assembly of claim 7 wherein the one or more flow diverters comprises:

a diverter platform;

a first gusset; and

a second gusset apposed to the first gusset such that a securement channel is defined between first and second gussets.

9. The assembly of claim 1 wherein the first elongated duct and second elongated duct define an elongate space therebetween, the elongate space extending uninterrupted from the ends of the first and second elongated ducts to the opposite ends of the first and second elongated ducts.

10. The assembly of claim 1 , further comprising first and second couplings at respective ones of the air outlet portions of the housing, wherein the ends of the first and second elongated ducts are directly coupled to the first and second couplings.

11. A flow distribution assembly, comprising:

a housing having an air inlet portion and a pair of spaced-apart air outlet portions, wherein the housing is configured for coupling to and being supported at a rack having a plurality of shelves defining vertically aligned growing areas, with the air inlet portion positioned laterally outboard of the vertically aligned plant growing areas;

a first elongated duct and a second elongated duct each having an end fluidly coupled to a single side of the housing at one of the air outlet portions, and extending linearly along one of the shelves to an opposite end, wherein the first and second elongated ducts both extend from the single side of the housing, the first and second elongated ducts positioned at opposite sides of the air inlet portion; and

a fan fluidly coupled to the air inlet portion of the housing and configured to direct ambient air into the housing through the air inlet portion;

wherein the first and second elongated ducts each have a plurality of openings defined along the first and second elongated ducts and arranged to direct air at one of the plant growing areas; and

wherein the first and second elongated ducts are configured to extend along the rack and to be supported by one of the shelves such that air passing through the air inlet portion is received into the housing in a vertical direction and the air passing through the first and second elongated ducts flows in a horizontal direction.

12. The assembly of claim 11 further comprising at least one filter positioned within housing.

13. The assembly of claim 11 wherein the fan is positioned laterally outboard of the vertically aligned plant growing regions.

14. The assembly of claim 13 further comprising an intake collar mounted at the inlet portion of the housing, wherein the fan is coupled directly to the intake collar.

15. The assembly of claim 11 , further comprising a plurality of braces configured to slidingly support the first and second elongated ducts to the one of the shelves.

16. The assembly of claim 11 further comprising one or more flow diverters configured for securement within or in proximity to at least one of the plurality of openings.

17. The assembly of claim 11 further comprising first and second couplings at the spaced-apart air outlet portions of the housing, wherein the ends of the first and second elongated ducts are directly coupled to the first and second couplings.

18. The assembly of claim 11 wherein the first elongated duct and second elongated duct define an elongate space therebetween, the elongate space extending uninterrupted from the ends of the first and second elongated ducts to the opposite ends of the first and second elongated ducts.

19. The assembly of claim 18 further comprising at least one light ballast positionable within the space.

20. A flow distribution assembly comprising:

a rack having opposed ends and elongate sides extending between the ends, the rack comprising:

a plurality of uprights disposed at the sides of the rack and defining a rack volume; and

a plant shelf configured to support plants;

wherein the plant shelf is supported by the uprights within the rack volume;

an air distribution system attached to and supported by the rack in vertically spaced arrangement with respect to the plant shelf, wherein the air distribution system comprises:

a housing having an air inlet portion and an air outlet portion;

a fan mounted laterally outside of the rack volume and fluidly coupled to the air inlet portion of the housing, wherein the fan is configured to direct ambient air into the housing through the air inlet portion; and

an elongated duct fluidly coupled to the air outlet portion of the housing;

wherein the elongated duct of the air distribution system extends linearly and horizontally supported by and along the rack between selected ones of the uprights and is disposed above the plant shelf.

21. The assembly of claim 20 further comprising at least one filter positioned within the housing.

22. A flow distribution assembly comprising:

a housing having an air inlet portion;

a first elongated duct and a second elongated duct both fluidly coupled to a single side of the housing such that the first and second elongated ducts both extend from the single side of the housing, the first and second elongated ducts positioned at opposite sides of the air inlet portion;

wherein the first and second elongated ducts each have a plurality of openings defined along the first and second elongated ducts;

one or more flow diverters configured for securement within or in proximity to at least one of the plurality of openings, wherein the one or more flow diverters comprises:

a diverter platform;

a first gusset; and

a second gusset apposed to the first gusset such that a securement channel is defined between first and second gussets;

wherein the one or more flow diverters further extend externally through the plurality of openings;

wherein the first and second elongated ducts are configured to extend along a rack such that air passing through the air inlet portion is received into the housing in a vertical direction and the air passing through the first and second elongated ducts is in a horizontal direction.

23. The assembly of claim 20 further comprising an intake collar mounted at the inlet portion of the housing.

24. The assembly of claim 23 wherein the fan is coupled directly to the intake collar, and the intake collar and the inlet portion of the housing are positioned laterally outside of the rack volume.

25. The assembly of claim 20 further comprising a plurality of tracks configured to support said rack, wherein said rack is movable along said tracks.

26. The assembly of claim 20 wherein: the housing comprises a second air outlet portion spaced laterally from the air outlet portion; a second elongated duct is fluidly coupled to the second air outlet portion; and the second elongated duct extends linearly and horizontally along the rack between the selected ones of the uprights and is disposed above the plant shelf and spaced laterally apart from the elongated duct to define an elongate space therebetween.

27. A flow distribution assembly, comprising:

a rack system having a plurality of shelves defining vertically aligned plant growing areas, and a plurality of uprights supporting the shelves and defining a rack volume; and

a plurality of air systems mounted on and supported by the rack system, each of the air systems comprising:

a housing comprising an air inlet portion and first and second air outlet portions;

a fan mounted at an end of the rack system and outside of the rack volume, the fan in fluid communication with the air inlet portion of the housing; and

first and second elongated ducts spaced horizontally apart from one another within the rack volume and both having respective pluralities of holes arranged to direct air at one of the plant growing areas;

wherein the first and second elongated ducts have respective ends coupled to the respective first and second outlet portions of the housing; and

wherein the first and second elongated ducts extend linearly and horizontally along one of the shelves to define respective straight flow paths to respective opposite ends.

28. The assembly of claim 27 further comprising at least one filter positioned within the housing.

29. The assembly of claim 27 further comprising an intake collar mounted at the inlet portion of the housing.

30. The assembly of claim 29 wherein the intake collar and the inlet portion of the housing are positioned laterally outside of the rack volume.

31. The assembly of claim 27 further comprising a plurality of tracks configured to support said rack, wherein said rack is movable along said tracks.

32. A flow distribution assembly, comprising:

a rack system having:

a set of upper shelves arranged end-to-end and a set of lower shelves arranged end-to-end, wherein said upper and lower shelves define respective vertically aligned upper and lower plant growing areas; and

a plurality of uprights supporting the sets of shelves and defining a rack volume, the uprights including an end upright, an opposite end upright, and a middle upright disposed between the end uprights and the opposite end uprights;

a plurality of air systems mounted on and supported by the rack system, each of the air systems comprising:

a housing comprising an air inlet portion and first and second air outlet portions, and a plenum defined between the air inlet portion and the first and second air outlet portions, wherein the air inlet portion and at least a portion of the plenum are positioned laterally outboard of the end upright and outside of the rack volume;

a fan mounted at the end of the rack system proximate the end upright and outside of the rack volume, the fan in fluid communication with the air inlet portion of the housing and operable to direct ambient air in a vertical direction into the air inlet portion; and

first and second elongated ducts spaced horizontally apart from one another within the rack volume and extending along and below one of the sets of shelves, the first and second elongated ducts defining an elongate gap therebetween, and the first and second elongated ducts having respective pluralities of holes arranged to direct air at one of the plant growing areas;

wherein the first and second elongated ducts have respective ends within the rack volume and proximate the end upright, the first and second elongated ducts coupled to the respective first and second outlet portions of the housing; and

wherein the first and second elongated ducts extend linearly and horizontally along the one of the sets of shelves to define respective straight flow paths through the rack volume to respective opposite ends positioned within the rack volume and proximate the opposite end upright.