A Metal halide (MH) lamp is an electrical lamp or bulb that produces light by creating an electric arc, combining a gaseous mixture of vaporized mercury and various metal compounds (Bromine or Iodine). A type of High-Intensity Discharge (HID) lamp (1), this light is typically used in high bay lighting fixtures in warehouses, parking lots, and hangars because of their high lumen output. However, most MHs are a thing of the past due to the advancements of LED technology that are more efficient and use less energy to operate.
MH lamps range in a variety of lumen outputs depending on their wattage. Though they can reach high levels of brightness they take much more energy to operate than LED Bulbs. Based on the wattage of the MH lamp, you can determine what LED Bulb you need.
Metal Halide Wattage | Delivered Lumens | LED Wattage Equivalent |
70 W | 5,600 | 19 W LED |
100 W | 8,500 | 23 W LED |
175 W | 15,000 | 62 W LED |
250 W | 22,000 | 124 W LED |
400 W | 39,000 | 186 W LED |
750 W | 80,750 | 186 W LED |
1,000 W | 140,000 | 500 W LED |
When assessing any type of light bulb, there are always advantages and disadvantages depending on the lighting application. Let’s look at the benefits of using Metal Halides:
MH lamps are an inefficient lighting option compared to LEDs. The cost to retrofit your old fixtures to LEDs can be costly up front but over time the return on your investment will continue to grow since LEDs require only a fraction of the cost to operate. In addition to costly utility bills, here are some other disadvantages of using MH Lamps:
Most gymnasiums, warehouses, and big box retail stores have always used metal halides lamps since they have a higher wattage output and produce the desired brightness for these commercial applications. However, with the advancement of LED lighting most Manufactures now offer high lumen output LED retrofit kits to convert Metal Halides to LED Bulbs. LEDs do not contain UV or Mercury and use a fraction of the energy that MH lamps require. In addition, LED lamps often come with cost saving certifications such as Energy Star, DLC, and many others.
Here are some of the top reasons to replace your MH lamps to LEDs today!
MH lamps are most often found in commercial applications. Depending on your existing fixtures there are many different options for retrofitting old Metal Halides to LEDs. In addition to commercial buildings, professional sports venues are replacing old MH lamps to LEDs to increase standard of play as well as the enormous energy savings. See how simply replacing outdoor lights to LEDs can change the overall experience in professional sports. Other areas to replace MH lamps to LEDS are warehouses, parking lots, retail stores, and street or area lights.
What are some lighting projects you are currently working on? Share your thoughts in the comment section below!
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References
HID and LED lights sees more and more use as energy efficient replacements for CFL and halogen bulbs, but which of the two saves the most energy? Learn about the two types of bulbs and the similarities and differences between them.
LED retrofits allow you to install LED lights without having to replace your fixtures. Read our guide to learn about the different types of retrofit kits and find the one that works best for your fixture.
Retrofitting refers to the process of removing the internal components of your current fixtures and replacing them with LED technology. Read our guide to learn about the different types of fixtures you can retrofit.
Retrofit your warehouse light fixtures with LED's to increase the quality of your light and save energy and money. You can choose to either retrofit the fixture or replace it entirely.
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