Portable Air Conditioners

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Portable Air Conditioners for Grow Rooms & Tents Portable air conditioners are self-contained cooling units that can be installed in grow rooms and repositioned without permanent ductwork or refrigerant lines - plugging into a standard electrical outlet and venting hot exhaust through a flexible duct routed out a window, ceiling tile, or through a grow tent vent port. For grow rooms and tents where a mini-split or central AC is impractical due to rental restrictions, building limitations, or budget constraints, portable AC provides effective cooling with no permanent installation required. Available from compact 8,000 BTU units for small tents through 14,000+ BTU floor units for rooms up to 500+ sq ft. Single-Hose vs. Dual-Hose Portable AC Single-hose portable AC units exhaust hot air through one duct but draw replacement air from the cooled room - creating negative pressure that pulls unconditioned outside air into the space through gaps and cracks, partially offsetting the cooling effect. Dual-hose units use a second duct to draw outside air directly for the condenser, preventing the negative pressure problem and running more efficiently in well-sealed spaces like grow tents and dedicated grow rooms. For grow tent applications where the tent is sealed for CO2 enrichment and negative pressure would draw unfiltered outside air in, dual-hose portable AC is the better choice. Single-hose units work adequately in less-sealed spaces where the negative pressure effect is minimal. For permanently installed grow room cooling, browse our complete grow room air conditioning collection . Sizing Portable AC for Grow Rooms Portable AC sizing depends on room square footage, heat load from lighting and equipment, and how well-insulated the space is. Rule of thumb: 20 BTU per sq ft for a well-insulated interior room; add 1,000 BTU per 300W of grow light heat load in the space. A 4x4 ft tent with a 600W LED (total heat load approximately 200 BTU/hr from lighting plus 100 BTU fr