Premium horticultural grow lighting solutions for commercial growers
P.L. Light Systems is a leading manufacturer of LED and hybrid horticultural lighting, engineered for commercial greenhouses and indoor growers since 1981.







Queen’s University










Queen’s University



Each featured install links to a full case study. See all projects
Engineered fixtures, designed for growers
ParFX Ultra
Full-spectrum LED, dynamic spectrum recipes prepared to order. The flagship fixture across our Tier 1 commercial installs.
TriPlane Linear
Modular linear LED bars for uniform PAR across greenhouse, vertical, and lettuce canopies. Retrofit-ready mounting.

Every P.L. Light Systems LED fixture is DLC Horticultural listed, the credential utility rebate programs look for.

CSA certified for electrical safety, with one mark covering both Canada and the United States.
IP66 wet-location rated to stand up to greenhouse humidity, condensation, and washdowns.
Lighting tuned to what you grow
Every crop has a different light recipe. We design photoperiod, intensity, and spectrum specifically for your operation, not generic fixtures off a shelf.
Vegetables
Tomato, cucumber, pepper, leafy greens. Yield-optimized recipes for high-wire and table operations.
Floriculture
Cut flowers and potted plants. Photoperiod control and quality-grade spectrum for stem strength and bud count.
Cannabis
Hybrid HPS and LED systems for flower, veg, and propagation rooms.
Year-round lily harvests, powered by LED
B&G Visscher, Otterville, Ontario. The retrofit from HPS to TriPlane Linear SQ LED cut lily force time by 1 to 2 weeks, even as supplemental lighting hours doubled and electricity rose only 10 percent. Hover the hotspots to see the engineering decisions behind the install.

SoulFood Greenhouse
HortiLED full-spectrum lighting for high-wire tomato production.
Vertical Harvest
Multi-tier LED design with crop-specific spectrum tuning per layer.
45+ years of horticultural lighting
From replacement bulbs in a Beamsville warehouse to full-facility engineered systems. Dutch craftsmanship, built to North American standards.

The Lighting Knowledge Company
Every light plan we deliver is engineered by horticultural lighting specialists, not configured from a catalog. Since 1981 we’ve been the technical partner growers turn to when the lighting decision actually matters.
Photoperiod, PPFD, and uniformity calculated for your facility.
Our team designs. You don't get handed off to a distributor.
North, Central, and South America sales and post-install support.
143+ technical articles. The deepest free resource in the industry.
Lighting science, made practical
Common questions about horticultural lighting
What is the difference between HPS and LED grow lights?
How do I get a custom light plan?
Do you serve growers outside Canada?
Hear it from the growers
Growers who light their operations with P.L. Light Systems, in their words.
The support of P.L. Light Systems has been tremendous. Their in-depth demonstration of the spectrum and efficiency of their lights is second to none. We had one fixture with a warranty claim, and it was replaced (exchanged) promptly with no hassle. P.L. Light Systems offers excellent value in their offering.

P.L. Light is a trusted long-term partner. They are nimble and flexible, going the extra mile to help our projects succeed. Their staff are polite, professional, and pick up the phone when we call. Their technical skill and humble, honest approach to their work when combined with the performance of their products and warranty support makes them a first-call resource for us when we have lighting needs.

On top of their excellent commercial products, P.L. Light Systems offers the best customer service in the industry. They are always responsive and flexible with any of our lighting support needs. Over the years and countless installations, we know that we can always trust that the engineered light plans provided by P.L. are spot on and delivered exactly as planned, never overstated.

Ready to design your grow lighting system?
Tell us about your facility and crop. We’ll send back an engineered light plan with photometric simulation, fixture spec, and DLI targets tailored to your room.



