800 Watt LED Grow Lights
800W LED grow lights represent the practical standard for single-fixture commercial canopy coverage -- delivering high-output full-spectrum light across a 4x4 to 5x5 footprint at the intensity levels required for productive commercial flowering. At 800 watts, quality fixtures from brands like PHOTOBIO, Gavita, FlexStar, and California Lightworks produce 1,200-1,600+ umol/m2/s PPFD at canopy level in a 4x4, enabling CO2-enriched growing programs that push plants above the light saturation point of ambient-CO2 environments. This wattage range is where commercial grow room design typically begins for flowering operations.
800W LED for Commercial Production
Commercial indoor growing operations running CO2 supplementation target 1,200-1,800 umol/m2/s PPFD during peak flowering -- a range that requires 800W or higher fixture output per 4x4 canopy zone. At this wattage, fixtures typically operate on 240V or 277V circuits, integrate 0-10V dimming for controller compatibility, and are designed for rack or double-ended hanging configurations that allow precise height adjustment. For multi-fixture commercial installations, consistency of output across the fixture array is as important as individual fixture performance.
Key Brands at 800W
PHOTOBIO TX2, Gavita Pro, FlexStar Nova, and California Lightworks SolarSystem are the primary 800W LED options at Hydrobuilder. Each offers a different balance of efficiency, spectrum, and dimming capability. Commercial accounts include volume pricing -- call 888-815-9763 or browse all LED grow lights. Use our Grow Light Calculator for canopy sizing.
800 Watt LED Grow Lights FAQ
What canopy does an 800W LED cover?
An 800W LED covers a 4x4 foot canopy at commercial flowering intensity (1,200-1,600 umol/m2/s) and a 5x5 canopy at high-intensity flowering levels (800-1,100 umol/m2/s). For CO2-enriched environments targeting above 1,200 umol, 4x4 is the appropriate single-fixture footprint. For ambient-CO2 environments where light saturation occurs around 800-1,000 umol for most varieties, 5x5 coverage from an 800W fixture is productive and efficient. Running an 800W fixture at 50-70% dimming over a 4x4 allows intensity adjustment as plants develop and canopy responds.
Do I need 240V for 800W LED grow lights?
Most commercial 800W LED fixtures are designed for 240V operation and require a 240V circuit. Some offer 120V/240V dual voltage, but running 800W on a 120V circuit draws approximately 6.7A -- manageable on a 15A or 20A circuit for a single fixture but limiting for multi-fixture setups. For commercial installations running multiple 800W fixtures, 240V circuits allow more fixtures per circuit (an 800W fixture at 240V draws approximately 3.3A, allowing multiple fixtures on a 20A circuit). Plan your electrical panel capacity before purchasing commercial-scale LED arrays.
What is the difference between 800W LED options at Hydrobuilder?
PHOTOBIO TX2 800W is a double-ended bar-style fixture with adjustable bar spacing and high efficiency (above 2.8 umol/J) optimized for commercial sealed room production. Gavita Pro 800W LED offers the Gavita brand's commercial reputation and compatibility with Gavita lighting controllers. FlexStar Nova 800W is a full-spectrum bar fixture positioned as a high-efficiency commercial option. California Lightworks SolarSystem 800W provides programmable spectrum control across separate channel groups for vegetative and flowering programs. The right choice depends on your dimming controller compatibility, spectrum priorities, and facility design. Call 888-815-9763 to discuss which platform fits your production program.
