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Metal Halide Equivalent



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Metal Halide Equivalent



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Frequently Asked Questions about High Bay LED Lights

We spoke to first-time buyers and long-term high bay lights buyers. We wanted to find out the most common questions about buying High Bay LED Lights for high ceilings. If you couldn’t find an answer to your question below, feel free to call us at (888) 423-3191. A dedicated lighting expert will help you find the best light for your needs.

If you want to learn more about High Bays, read our Buyers Guide to LED High Bay Light Fixtures

How can you choose the Best High Bay LED Lighting for your Application

If you are replacing High Bay Light Metal Halide / High Pressure Sodium / HID fixtures. Or selecting new indoor LED High Bay Lights, here are the equivalent LED lumens for each common HID wattage fixture.

Metal Halide LED Lumens Equivalent
400 Watts 15,000 to 30,000 lumens
1000 Watts 40,000 to 60,000 lumens
1500 Watts 60,000 to 90,000 lumens

You can determine the specific output by understanding the following:

  1. What is the current wattage?
  2. How many High Bay Lights are there?
  3. How high are the high bay lights mounted?
  4. What is the space used for?

Choose a LED Bay Lights Style

UFO High Bay Lights: LED UFO Round Lights are perfect to replace Metal Halide / HID high bay light fixtures. High Impact Rated and water proof. Perfect for higher ceilings.

LED Linear High Bays: Panel style LED Linear High Bay Lights are a great replacement for fluorescent / T5 fixtures. Great Light distribution.

Select the proper High Bay Features

Voltage: 100-277V or 277-480V

Mounting Options: Eye Hook, Pendant Mount, Ceiling Mount, or Wire/Cable Suspension

Motion Sensor: Dim the lights when the room is empty

Color Temperature: 4000K or 5000K

Beam Angle: 120 degrees standard, 90 or 60 degrees for higher ceilings. Used to focus light.

Fab Shop Using Hbc 150 Lights

What are the main benefits of LED High Bay Lighting?

Long Life: Years of maintenance free life without bulb or ballast changes

Reduced Utility Bills: You can expect to reduce your energy costs and lighting bills by 50% to 75% with lower energy consumption. And if you add motion sensors, you can expect even more savings.

Highly Efficient Lighting: LED Lights are known for their energy efficiency and energy savings. They convert most of the electricity used into light. Very little heat is created. This will reduce your HVAC load

Controls Ready: Instant on and instant off, along with dimming, makes these lights perfect for use with motion sensors. Motion sensors can be set up to turn off or dim. This will reduce your lighting costs even more.

Quick Pay Back / ROI: The savings in energy will create a short ROI. And the higher the utility cost per kWh, the faster the payback.

No Recycling Costs: There are no harsh chemicals like Mercury in LED High Bays. So while you should properly dispose of them at End Of Life, there is no costly charges like there is with fluorescent lighting.

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How much maintenance do LED High Bay Fixtures require?

Theoretically none. They are not like HID light sources that need bulb and ballast replacements. However, if the LED Lights are installed in environments that are dusty and dirty, cleaning them off with compressed air will help the heat sinks work effectively.

Even with consistent use, our top-quality linear high bay lights and UFOs don’t require regular maintenance or replacement. This makes them the ideal choice because when you install high bay lighting fixtures, you’ll have cost-effective solutions that will last for years to come.

How Many LED High Bay Lights Do I Need?

Converting your lights from metal-halide or fluorescent? There is a high probability we can do a 1-for-1 replacement to a LED High Bay light. For new lighting layouts, it’s important to go through the following steps:

1. How many foot candles do you want on the ground?
2. What is the physical space of the area?
3. Are there any obstructions?

From there, we can create a lighting plan that will model this area. This plan will tell you:

how many lights you need
where they’re located
the optimal distance between fixtures

School Gym Lighting Plan 1024x606 1

The lighting plan will show you the average, min, and max foot-candle readings in the space. This is an indication of whether the selected light is capable of providing sufficient light. It will show you how balanced the light is (look for a low average/min ratio).

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Here are some general guidelines that will help you do some quick calculations.  Please note, the higher the ceiling, the more powerful light you will need. For ceilings ranging from 15 to 40+ feet, use the following guide to choose the proper lumen output. For lower ceilings, 8-15 feet, use low bay lights.

Ceiling Height Recommended LED High Bay
15-20 feet 100-150 watts: 15,000 – 22,500 lumens
20-30 feet 120-200 watts: 18,000 – 30,000 lumens
31-40 feet 240-300 watts:  40,800 – 45,000 lumens
40+ feet 400-600 watts : 72,000 – 96,000 lumens


How does the spread of your LED High Bay Linear Light Fixtures compare to UFO LED Lights? And what’s a better option for me?

Our linear (panel) high bays are physically bigger than our UFO fixtures. The LEDs attach in strips over the length and width of the fixture.

A UFO is around 12-15 inches in diameter. The LED diodes are densely packed. By the nature of the design of a linear fixture, it produces a wider beam spread.

You cannot add optics to our linear fixtures. Ceiling heights above 30 feet, the broad spread would work against the linear fixture. A UFO fixture with a tighter beam angle would be a better option.

UFO vs Linear