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The Ultimate Buyer's Guide to LED High Bay Lights for Commercial & Industrial Spaces

The Ultimate Buyer's Guide to LED High Bay Lights for Commercial & Industrial Spaces

What Are LED High Bay Lights?

LED high bay lights are high-output luminaires designed for spaces with ceiling heights of 15 feet or more — warehouses, manufacturing floors, gymnasiums, big-box retail, and commercial garages. Unlike traditional metal halide or fluorescent high bays, LED versions deliver immediate full brightness, last 50,000+ hours, and consume 40–70% less energy.

Why Switch to LED High Bays in 2025?

  • Energy savings: A 150W LED replaces a 400W metal halide — same or better light output.
  • Instant-on: No warm-up time. Full brightness from the first second.
  • Long lifespan: 50,000–100,000 hour rated life means virtually no re-lamping costs.
  • Lower heat output: Dramatically reduces HVAC load in summer.
  • Rebate eligible: Most Ontario utilities (Hydro One, Toronto Hydro, Alectra) offer rebates for LED retrofits.

Key Specs to Compare When Buying

1. Wattage & Lumens

For a 20-foot ceiling warehouse, target 150–200W (18,000–25,000 lumens). For 30-foot ceilings, go 200–300W. The lm/W (efficacy) tells you efficiency — anything above 130 lm/W is excellent.

2. Beam Angle

Narrow beam (60°) suits very high ceilings (30+ ft). Wide beam (120°) works better at lower heights for even floor-level illumination. Many commercial fixtures offer interchangeable reflectors.

3. IP Rating

For dry warehouses: IP44 is sufficient. Wash bays, food processing, or outdoor canopy: IP65 minimum. Dusty environments (lumber yards, grain elevators): IP65+ with sealed optics.

4. CCT (Colour Temperature)

4000K is the commercial sweet spot — neutral white, good colour rendering, energizing for workers. 5000K is popular for detail work (fabrication, inspection). Avoid 3000K in industrial settings.

5. Mounting Style

Round (UFO): Most popular for warehouses — compact, efficient, easy to install on pendant or hook. Linear: Better for aisle or racking illumination. Vapor-tight: For wet or dusty environments.

Top LED High Bay Products at Maple Electric Supply

We stock UFO LED high bays from trusted brands in wattages from 100W to 300W, all DLC Listed and DesignLights Consortium certified for utility rebate eligibility. Our LED high bays include 5-year warranties and are stocked in our Toronto-area warehouse for same-day pickup or next-day delivery across Ontario.

Calculating How Many Fixtures You Need

Use the quick formula: (Square footage × Target foot-candles) ÷ Lumens per fixture = Number of fixtures. For example, a 10,000 sq ft warehouse targeting 30 foot-candles with 25,000-lumen fixtures: (10,000 × 30) ÷ 25,000 = 12 fixtures. For precision layouts, our team can provide a free photometric plan.

Installation Tips

  • Ensure circuit capacity: 150W fixtures draw ~1.25A at 120V. Plan circuits for 80% load rule.
  • Use twist-lock connectors for easy future replacement.
  • Consider occupancy sensors + 0-10V dimming for additional 30–40% energy savings.
  • Check local electrical code (Ontario Electrical Safety Code) for suspended luminaire requirements.

Ready to Upgrade?

Browse our full selection of LED high bay lights at Maple Electric Supply, or contact our team for a free lighting audit and rebate assessment. We serve electricians and contractors across the GTA, Ontario, and Canada.