Should you choose LED Low Bay or LED High Bay for factory lighting?

Deciding between LED Low Bays and LED High Bays for your facility can be a challenging choice. Many factory and warehouse managers struggle to understand the distinctions between these two types of lighting solutions. Factors like cost, placement, and wattage play crucial roles in determining which one is right for your space. To assist you, let's break down the key differences between LED Low Bays and LED High Bays to help you make an informed decision. Here’s what you need to know: ### Understanding the Difference Between Low Bay and High Bay Lighting The primary distinction between low bay and high bay lighting lies in their mounting height. LED Low Bays are designed for installations up to approximately 8 meters above the ground. Traditionally, a low bay might have been the rectangular "white box" commonly seen in factories, while a high bay was a pendant-style light with a more focused design. At LED Save, we define a low bay as an un-lensed product with a beam angle of around 120 degrees, whereas a high bay is a lensed product that delivers a precise light pattern when mounted at greater heights. The main considerations between these two types of lighting involve the height at which they are installed and the angle of the emitted light. ### Cost Considerations: How Much Do LED Low Bay/High Bay Lights Cost? Our latest ultra-efficient LED low bay/high bay lights offer a rapid return on investment, often paying for themselves within just 9 months! Take a look at the table below, which highlights the typical savings from switching to our LED Save Ultra-Fast ROI LED high bay/low bay series: | **Feature** | **400W HID** | **150W LED** | |----------------------------------|--------------|--------------| | Power Consumption (W) | 400 | 150 | | Number of Fixtures Required | 10 | 10 | | Hours of Use Per Day | 10 | 10 | | Days Operated Per Week | 5 | 5 | | Weeks Operated Per Year | 48 | 48 | | Total Hours Operated Per Year | 2,400 | 2,400 | ### Savings Potential with LED Lighting Over a 5-year warranty period, switching to our 150W LED range can save you £3,755.00, and over the expected lifespan of the lights, you could save an impressive £18,005.00! | **Component** | **400W HID** | **150W LED** | |---------------------------------------|--------------|--------------| | Electricity Cost (£/KWh) | £0.15 | £0.15 | | Annual Electricity Cost (£) | £1,440.00 | £540.00 | | Annual Electricity Savings (£) | - | £900.00 | | Cost of LED High Bay (Ex VAT) | - | £74.50 | | Total Cost of LED High Bay (Ex VAT) | - | £745.00 | | Break-Even Point (Months) | - | 9 | | Estimated Lifespan (Hours) | - | 50,000 | | Estimated Lifespan (Years) | - | 21 | | Total Savings Over Lifespan (£) | - | £18,005.00 | | Warranty Period (Years) | - | 5 | | Savings Over Warranty Period (£) | - | £3,755.00 | *Note: Excludes costs associated with replacing HID lamps.* ### What Mounting Height Qualifies for Low Bay vs. High Bay? The appropriate mounting height for low bay and high bay lighting depends on various factors, including: 1. **Cost**: LED low bays are generally less expensive than LED high bays. Therefore, using more low bays may sometimes be more cost-effective to achieve the desired light levels. 2. **Mounting Height**: At heights below 7 meters, low bays are recommended to minimize issues with uneven lighting and "spotting" on the floor. 3. **Wall and Floor Color**: Light-colored walls and floors reflect more light, affecting overall illumination. For instance, consider a 150W product emitting 21,000 lumens. It's essential to think about where those lumens will be directed. LED low bays emit light at approximately 120 degrees and will continue traveling until they reach the floor or walls, where they will be absorbed. The degree of absorption or reflection depends on the reflective properties of the walls and floors, so conducting a light simulation before installation is highly beneficial. ### When Should You Use a Low Bay? Each situation is unique. For example, if you install a low bay at 12 meters in a warehouse with light-colored walls and no racking, you could achieve excellent lighting with relatively fewer units. However, if the warehouse has darker walls, you would need significantly more LED low bay units to achieve the same lighting level since much of the light hitting the walls would be absorbed. In scenarios where conditions aren't favorable, such as poor reflections or high absorption rates, an LED high bay with a 60-degree lens can direct all 21,000 lumens into a smaller area on the factory floor, resulting in a much higher lux level compared to an LED low bay mounted at the same height. This means fewer units would be required to achieve the same lighting level. For racking applications, there’s also the option of using a narrow lensed high bay, which focuses the light precisely down the racking aisles instead of illuminating the tops of the racks. Finding the right balance between the appropriate luminaire and the cost difference between LED low bays and LED high bays is key. A lighting simulation of the proposed area can demonstrate the varying lighting levels achieved by using different products. ### How Many Low Bays or High Bays Do I Need, and What Wattage Should I Choose? To avoid either insufficient lighting or excessive spending on unnecessary fixtures, performing a lighting simulation is essential. At LED SAVE, we offer a FREE Relux Lighting Simulation service. To take advantage of this, please email us with the following information: 1. Your full details (Name, company name, project name, and phone number). 2. A drawing of the area—preferably in .dwg format or similar. If unavailable, a .pdf or a hand-drawn sketch of the area will suffice. This should include: - Dimensions of the area (Length x Width x Proposed Mounting Height of Luminaire). - Colors of walls, floor, and ceiling. - The activity taking place—this determines the required lighting level. - Details of any obstructions, such as racking. Browse our full range of LED lights on our website. For more information on selecting the perfect LED lighting solution for your space and learning how you can save money with LED lighting, visit our blog. *Last Updated: January 11, 2023.*

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