5 Reasons to Switch to LED High Bay Lighting
They number in the millions, illuminating everything from our indoor gyms, swimming pools and basketball courts to our supermarkets, manufacturing plants, industrial complexes and subway halls. They are overhead fixtures that mount 15 feet or more above the floor.
But while high bay fixtures may be ubiquitous, they are not all the same.
Consider this: If you convert a 400-watt metal halide to a 324-watt fluorescent high-bay fixture, you can save about 19 percent in energy. Converting the same metal halide light fixture to LED high bay light can save 65% or more in energy while also giving you better lighting quality and control.
So why would anyone waste a lot of money and accept suboptimal lighting instead of switching to LED high bay lighting? This is a good question.
Metal halide fixtures have always been the mainstay of high bay lighting. They are lower cost and produce bright white light with reasonably good color rendering. But over time, their lifespan, light output, and efficacy degrade severely, making them far less economical than today's best LED alternatives.
Fluorescent high-bay fixtures have also become popular in recent decades, offering good color rendering and better lifetime lumen maintenance compared to metal halide fixtures. But even the best offers only modest improvements.
Then there are the LEDs. From appearance alone, LED high bay lighting may not look like a 50-year technological leap. Many have the same familiar inverted cup shape and hang overhead to lighten the light.
This is where the similarities end.
LEDs use less power to produce lumens of light and are easier to control. Their lifespan is measured in decades, and they require little maintenance. Furthermore, like a smartphone in your pocket, LED chips provide a ready-made platform for any number of environmental sensors, as well as Wi-Fi and networking capabilities.
Admittedly, it sounds better, right? Admittedly, it also sounds expensive, you might be thinking. But think again.
Over the past decade, the energy efficiency of LED high bay lights has made significant progress, while the price of LED high bay light fixtures has dropped significantly.
Five main reasons to switch to LED high bay lighting:
1. They offer significantly better energy savings. Average savings of 25% to 70%, even before applying any lighting controls.
2. The utility company will pay you to buy them. Many utilities offer significant discounts on lamps that significantly reduce energy consumption or meet the DesignLights Consortium (DLC®) certification program.
3. They last much longer. Cree high bay luminaires have a lifespan of over 100,000 hours, 5 to 10 times longer than typical metal halide and fluorescent lamps. A child who enters first grade on the day you install Cree high bay fixtures will start her first job after college before you need to think about a replacement.
4. They are low maintenance and no drama. No bulbs or ballasts to replace, no broken pressurized gas lamps or tubes, and no heavy metals to regulate. You can also cycle them without worrying about temperament lights and ballasts, cooldown periods, trigger times, warm ups, or slow ramps to max output. Turn it on and off at any time.
5. They are great for lighting control. All Cree high bay luminaires can be dimmed in small increments down to 10%, and advanced lighting controls can be embedded directly on the LED chip, saving you even more energy with occupancy sensors, dimming and response to ambient daylight.
To recap: LED high bay light fixtures use a fraction of the energy used by metal halide and fluorescent fixtures. They are virtually maintenance-free, last for generations, and each LED chip is a ready-made platform for the Internet of Things. They also produce better light.
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