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HOW TO CHOOSE THE RIGHT LED HIGH BAY LIGHTING

It is often difficult to know which LED high bay luminaire is the right one for a specific project, and this applies to contractors, electricians, business owners and building managers alike. The choice is made difficult by the fact this new technology features many high bay LED light models and application options.

LED technology has been standing out from the competition through its high performance, long lifetime, versatility and substantial energy savings. Price-wise, LED technology is now at par with traditional lighting; however, in the long run, the LED yield makes it a very efficient and profitable investment.

As lighting specialists, we often get asked the same questions when it comes to choosing industrial LED high bay lighting and LED lighting layouts. This guide offers our answers to these frequently asked questions, hoping that it will help you find the best solutions for your projects.

Here are the most frequently asked questions:

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Why choose LED high bay fixtures?
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What light output do I need for my project: my workshop, storage, store, etc? (How many lumens? How many watts?)
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How to choose the right high bay light fitting? (Which high bay light fixture should I choose for my building?)
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Why replace fluorescents or metal halide fixtures with LED high bay fixtures?
WHY CHOOSE LED HIGH BAY FIXTURES?

ENERGY EFFICIENCY

LED high bay fixtures are made to offer the same light output as conventional lighting fixtures but while being on average 3-4 times more efficient then its fluorescent or metal halide counterparts which is what we mostly find for high bay lighting applications.

LIFESPAN

The lifespan of LED high bay fixtures will typically be between 50,000 – 200,000 hours depending on the make/model and type of fixture which surpasses by several times the expected lifespan of conventional lighting technologies. This insures an important decrease in ownership and maintenance costs.

LIGHT QUALITY

The LED lighting technology is perfectly suited for high bay lighting applications which is typically used for ceiling heights above 15 feet (5m). LED high bays generally have a vast array of fixture configurations meaning the quality of light, the way the light is distributed can be fine-tuned to the requirements of the project better than conventional lighting technologies.

ACQUISITION COST

For the last couple of years, the LED lighting technology has replaced all others because of the numerous advantages some of which we’ve covered. The difference is that now it is also affordable with pricing on par and in some cases lower than other fixture types. For the vast majority of applications like high bay lighting, LED is now more than ever the way to go!
WHY LIGHT OUTPUT DO I NEED FOR MY PROJECT ?

YOUR OPTIONS

Several lighting technologies are available on the market: LED, metal halide, fluorescent, etc. They are all very well adapted to high bay lighting, but in the last couple of years LED technology has become the standard for lighting manufacturers and consumers.

THE DIFFERENCE BETWEEN YOUR OPTIONS

The ability to transform energy into light (measured in lumens) varies greatly between each technology. For example, a light that uses 100W in halogen does not put out the same amount of light as an LED using 100W. Another difference to be considered is the way the light is distributed by each light system.

OUR ADVICE

Rather than trying to determine how many watts or lumens are needed for your project, we suggest you calculate the average light required by your project area. The average luminosity is measured in LUX or foot candle. You can find the average luminosity scale recommended by the IES (Illuminating Engineering Society), per activity field, in the file here. 1 fc (foot candle) = 10.764 lux

CALCULATE THE CORRECT HIGH BAY LIGHT SPACING AND LIGHT INTENSITY FOR YOUR PROJECT

GENERAL RULE

The light intensity of a light is chosen according to its installation height; it also depends on the application and specificity of the project environment.

In general, the light spacing is equal to the installation height, in relation to the ground, +/- 15%. Use the table below to determine the best light spacing for your project.

USE A LIGHTING PLAN

FOR BEST RESULTS USE A LIGHTING PLAN

Ask a lighting professional to prepare a lighting plan for your project, so that your specific needs are taken into account. While using lux/fc as a measuring unit can be a good tool, and estimating the light intensity according to the installation height can also be a useful approach, it is wise to validate your lighting plan with a lighting professional, before you implement it.

LIGHTING PLAN (LED LIGHTING LAYOUT)

In order to conceptualize your lighting project you should prepare a lighting plan, using a photometric analysis software. This type of program takes into account:
• The dimensions of the project area
• The lights installation height
• The type of lights to be used, in order to determine the amount of lights needed
• The best light layout that guarantees the desired results

CALCULATING THE REQUIRED LIGHT INTENSITY

Once you have calculated the average light intensity required by your project, you must measure the space that needs to be lit. The type and amount of lights needed depend on the area to be lit and the lights installation height.

The estimated height of the lights is the main factor that determines your project light intensity (measured in lumens). Therefore, if a high bay light is installed at a big height, the amount of lumens required will be higher, and, inversely, if the high bay lights are to be placed at a lower height, the light intensity needed for the desired average luminosity will be lower.

The table below shows the relation between lights intensity, height and spacing based on a 100’ x 100’ area and typical reflectance values found for warehousing:

LED HIGH BAY LIGHTS OPERATING CONDITIONS

Water

The presence of water or of a considerable amount of fine particles can affect the functioning of a light that is not meant to operate under those conditions.

It is possible to choose lights that have been tested in damp conditions or are IP rated (which is a test that measures a fixture’s resistance to water and dust particles). Most industrial fixtures are damp rated whereas others offer a higher level of protection like IP65 which is a rating high enough for the fixture to be used in outside conditions.

Temperature

Temperature variations on the project site are another important element that needs to be validated in order to determine your best light options.

REPLACING EXISTING HIGH BAY FIXTURES

If you already have existing fixtures and are looking for an equivalent, you can simply replace them. This approach is estimation-based, however, because it cannot guarantee that the existing lights are providing the right luminosity and light distribution. Any lighting retailer or wholesaler should be able to provide you with a lighting plan, at the same time as his quote, which will take into account the existing lights.
HOW TO CHOOSE THE RIGHT HIGH BAY LIGHT FITTING? WHICH HIGH BAY LIGHT FIXTURES SHOULD I CHOOSE FOR MY BUILDING?

LED HIGH BAY PANEL:

- Best light distribution
- Competitive pricing
- Long lifetime typically 100,000-200,000 hrs (L70)
- Several available light intensities
- Fixed or pendant installation

Compact high bay luminaire:

- Robust construction
- Usually airtight (IP65 +, washable)
- Ideal for humid or dusty environments
- Versatile, can be used for ceiling heights
between 15’ and 40’ (available in different light intensities) - Customizable with or without reflectors
- Long lifetime - 50,000+ hrs (L70)
- Pendant or fixed and adjustable

LINEAR HIGH BAY:

- A great choice for narrow, high ceiling areas
- Customizable projection angle
- Fixed or pendant installation

RETROFIT LED LIGHT BULB:

- Competitive pricing
- Replaces existing MH and HID light bulbs
(existing light fixtures can be kept)
- Ease of installation
WHAT ARE THE DIFFERENCES BETWEEN A FLUORESCENT/METAL HALIDE HIGH BAY FIXTURE AND AN LED HIGH BAY FIXTURE?
If you’re not convinced yet that LED technology is the way of the future when it comes to high bay lighting, below is a table that illustrates the differences between LED and fluorescent/metal halide technologies.

CONCLUSION

LED technology and its applications has now conquered the market through their high performance, long lifetime and versatility. Their acquisition cost especially in the last years has continually dropped and is presently on par with traditional technologies making them the obvious choice for any lighting project. We think LED technology for most conventional high bay lighting applications in our opinis now the only choice for replacing existing systems!

Do you have any other questions?

OR

Do you need help choosing the right high bay light for your project?

CONTACT US

Tel. : 1-888-571-5529
Email : info@lumenco.ca
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