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LED Low Bay Lights

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LED Low Bay Fixtures

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You can find LED low bay lights in low ceiling applications. LED low bay lighting is ideal for small warehouses, shops, garages or work areas. High Performance LED low bay fixtures typically replace 175 watts to 400 watts HID / metal halide. They also replace or 2-lamp T5HO to 4-lamp T8 fluorescent lamps. A great general purpose option for commercial indoor lighting fixtures.

Replace Metal Halide, HPS and Fluorescent Low Bays

LED Low Bay Light Primer

LED Low Bay Warehouse Image

First, A Little About Bay Lighting


Bay lighting is the top choice for high ceiling facilities (10 feet and above). Perfect for factories and warehouses because it has adequate illumination in these spaces.

The first thing to determine is the type of fixture you need for high ceiling applications. Bay lights have higher wattage requirements. They produce more than 8,000 - 25,000 lumens to light up large spaces.

Large commercial and industrial spaces construct ceilings with recessed bay-like partitions. Installing low bays in these partitions deliver high light levels, without causing glare.

What Are LED Low Bay Lights?

Commercial and industrial spaces have high ceilings. Warehouses and factories use low bay lights . A high lumen output means uniform, well-distributed light in large spaces.

As their name portrays, low bay light fixtures are usually installed in ceilings that are 12 to 20 feet above the floor. Optics spread the light produced by low bay lights further. By using optics to direct the light, lighting uniformity can be accomplished.

Low bays have high bulb intensity. This means there is little room for the light to diffuse before reaching the ground. The lower ceilings cause the fixtures to diffuse the light. This reduces the harsh reflection that the lower ceilings cause. They help produce a more natural, attractive light in large spaces with low ceilings.

Low bay light fixtures usually have a beam angle of 120°. When lighting experts choose a beam angle for a low bay ceiling, they want to provide enough light. They start by looking at the ceiling height. The lower the ceiling is, the broader the beam angle can be.


Where Are Low Bay Lights Used?

General overhead lighting with low ceilings heights under 20 feet use low bay lights . Ideal places like aisle lighting, workshops, garages, and warehouses.

Low bays provide powerful illumination and meet the requirements of commercial spaces. Their use is in a myriad of spaces, perfect for large spaces that need adequate lighting. These spaces need indoor fixtures that can provide both vertical and horizontal illumination. Those that have a high lumen output.


MyLEDLightingGuide Pro Tip

Looking for High Bay Lights?

We have you covered. We offer a full line of powerful high bays for higher ceiling applications. Check out our LED High Bay Fixtures and Options.

3 Common Issues with HID Low Bay Light Fixtures

Types of Low Bay Fixtures

LED low bay lights are energy efficient and can lower energy consumption by up to 75%. Energy expenditure can go down by up to 90% if LEDs use lighting controls. Such as dimmers and motion sensors. LED low bays emit little heat and can lower energy consumption further. They reduce the demand for air conditioning in a low bay application.

LED low bay lights have a very long lifespan and lower lighting maintenance costs. These lights aren't affected by extreme temperatures. They function in both cold and hot spaces. They don't buzz or flicker and have instant full illumination.

UFO LED Low Bays

When selecting lights for low bay applications, the most important thing is efficiency. Since the fixtures will light up the space from a high point, optimization for illumination is a must. UFO low bays have a very unique design that plays a crucial role in their efficiency. Their fin style ensures they transfer even thermal properties.

UFO LED low bay lights provide light that is powerful and uniform. They are very well constructed and have IP65 rating. This means they install in harsh environments and still work well. UFO LED lights are also UL Listed for safety purposes and DLC certified. Which means you can get a rebate check from your utility company.

One thing UFO LED light fixtures do well is merge functionality with style. They enhance style because of their striking appearance. These lights are ideal for low bay applications that need beautiful, functional light.

LED Linear Low Bays

These light fixtures are often confused with LED light panels. Panel-style LED low bays have a look that is like the troffer-style panels like T8 and T5 fluorescents.

The major benefit is the ability to distribute light over a large area. These LED fixtures also have large heat sinks which dissipate the heat.

Since panel-style LED low bays resemble T8 and T5 fluorescents, they're perfect replacements. They can replace of linear fluorescent lamps. Panel-style LED low bays can replace these traditional lamps. They produce lower energy consumption while providing enough light.

Linear Aisle LED Low Bays

Grocery stores, warehouses, and wholesale club stores use low bay fixtures. They have beam angles which are perfect for use between aisles. If your low bay application has many aisles, these are the light fixtures you should get for the space.

Some linear LED low bays have a DLC Certification and are UL Listed. Buying them reduces these low bay fixtures by the rebate you get from your utility company. Linear aisle low bays combine the awesome power of LED with functional design. This provides a lighting solution that is both powerful and practical.

LED Retrofit Low Bay Kits

For those who want to switch to LED technology and also save money, this is the best option. A retrofit kit is usually installed in the existing traditional light fixture. The conventional bulb and ballast are usually replaced with a LED head and driver. Retrofit units are more affordable than new LED low bays. They are cheaper to manufacture – they have fewer components. They are also cheaper to install as their installation process is not complicated.

5 Top Benefits of LED Bay Lighting

LED Low Bays Installed in Gym

1. They Produce High Quality Light


LED lights generate higher-quality, high CRI light. As we said earlier, the common wattages for high intensity discharge low bay lights are 250 and 400. With ballast consumption, add another 15% energy use. So a 400-watt HID bulb consumes 455 watts.

LED low bay lights consume a lot less electricity than HID lamps and fluorescents. A 120 - 150-watt LED low bay can replace a 400-watt HID lamp. Additionally, LEDs do not need ballasts. By simply replacing HID low bays with LED low bay lights, energy expenditure will go down by 75%. Add lighting controls to the mix and energy consumption may decrease by 90%. Paybacks are very short.

Let’s look at metal halide to LED conversion

10,000 -13,000 lumens:  replaces 250W HID fixtures 

13,000 - 23,000 lumens: replaces 400W HID fixtures 


Get a photometric analysis

A photometric analysis in your facility will determine what light and optics is best. It is dangerous to buy off the shelf lights without understanding how it will perform. 


MyLEDLightingGuide Pro Tip

Not all LED Low Bays are the same - read the specs!

Its not uncommon to see 2 different 100W LED Low Bays produce different amounts of lumens (aka light). That's because the efficiency's determined by the LED chips used. Products using older chips will produce less lumens than newer more efficient chips. And the difference can be dramatic. Its OK to pay attention to the watts of the unit, but also pay attention to the lumens it produces.

2. Energy Savings


One of the top benefits of LED technology is that it improves safety while reducing costs. Switching to LED can help a company to save millions of dollars on both energy and labor. LED lights need very little maintenance because they are very well constructed. The light fixtures also have a long life expectancy and draw very little electricity.

Many companies put off switching to LED because of the costs related to a lighting upgrade. But the thing is, the savings LED lights offer make the conversion project worthwhile. In general, the payback period for any large-scale upgrade is about 1 to 2 years.


3. Enhanced Light Performance


Approximately 30% of the light produced by HID lights is infrared. It is invisible to the human eye. The percentage is higher for older versions of HID technology. Fluorescent lamps also produce a percentage of infrared light. Also, HID lumen output sdeteriorates as the bulbs age. At half life, a HID bulb can lose up to 50% of its initial lumens.

LED lights designed for humans do not produce infrared light or ultraviolet light. Their L70 degradation time is 50,000 to 100,000 hours, far exceeding end-of-life HID bulbs.



4. They Lower Light Maintenance Costs


Replacing light fixtures in low bay applications is expensive and labor-intensive. LED low bay lights have a very long lifespan and lower lighting maintenance costs.

LED bulbs last 50,000+ hours when ambient temperature is 55°C . At 25C, the life time jumps significantly. This equates to 10-20 years of fixture life.

LED L70 Image

5. You Can Get Rebates


Rebates offered by utility companies make switching to LED very compelling. They lower the upfront costs of an upgrade. Utilities in America have different rebate programs for energy-efficient lighting. They offer both prescriptive and custom rebate options. MyLEDLightingGuide can assist with rebate applications.

Prescriptive rebates state the exact LED lights that should replace conventional bulbs. Custom rebates cover anything that is not covered by prescription rebates. Utilities also have another condition for giving rebates: DLC certification. This certification shows that a product adheres to a set of efficiency standards.

Things to Consider when Choosing Low Bay LED Lighting

1. Luminous Efficacy (Lumens Per Watt)

Luminous efficacy is the true measure of a bulb’s efficiency. It indicates the lumens produced for every watt of electricity consumed. LED bulbs are more efficient than traditional bulbs. Next generation LED High Bays have efficiencies reaching close to 200 lumens/watt. This means that a good LED bulb should produce 200 lumens for every watt of energy it draws.

Think of luminous efficacy as bang for the buck. The better the efficiency, the less watts you need to consume. If you get LED low bays with a high luminous efficacy, payback will be quicker.


MyLEDLightingGuide Pro Tip

High Efficacy = More Savings

Don't be fooled by the $'s you think you're saving when you buy a lower efficacy priced low bay. The money you save with high efficiency LEDs will be greater than the $s saved purchasing the cheaper fixture.

2. Color Temperature

Color temperature (CCT) measures the temperature of a light source. LEDs produce light in a wide range of colors. Standard color temperature for industrial and commercial spaces is between 4000K and 5500K. To replace Metal Halide, consider 5000K-5000K. To replace fluorescent, consider 4000K.

3. Color Rendering Index


Color rendering index defines the quality and accuracy of light. Sunlight is the ideal light source and is 100. LED's come in a range between 70 and 98, depending on the chip. Metal Halide is around 65. High Pressure Sodium around 22.


MyLEDLightingGuide Pro Tip

Choosing the right CRI for LED Low Bays

A good choice would be to look for a fixture that produces 70 CRI. If you need more accurate color representation, 80-90 CRI will be a better option.

4. The Beam Angle


Beam angle is what determines how light's distributed. A wide beam angle produces general, well distributed light. A narrow beam angle produces concentrated light. This is good for accent lighting, it makes the light more intense and focused. LED lights are available in a range of beam angles: from 15° (narrow) to 120° (wide). Choosing the right beam angles can improve the lighting in a low bay application.


MyLEDLightingGuide Pro Tip

Choosing the right Beam Angle for LED Low Bays

Low bays are typically mounted at low heights. Choose a wider beam for better distributed. Look for 120 or 150 degree beam angles. Stay away from narrow beams (30, 60 or 90 degrees). Narrow beam patterns will make the light less uniform and more spotty.

Transform Your Space with LED Low Bay Lights

LED Low Bay Conversion Image

If you are thinking of changing the lighting in your low bay application, talk to us.

We will take time to find out your project’s objectives before recommending a solution. We have the expertise to offer a solution that meets your project’s priorities.

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