T5 High Bay LED Replacement Lights
- LED options available for 2-lamp through 12-lamp T5HO fixtures
- Linear and UFO styles available for different layouts
- Most models include 5-year warranty unless otherwise specified
Our T5 High Bay LED Replacement Lights for Fluorescent Fixtures include linear and UFO LED high bay fixtures for replacing 4-foot T5 fluorescent high bays. Available models vary by lumen output, voltage, dimming, controls, and environmental ratings.
These LED high bays are commonly used in warehouses, shops, factories, gymnasiums, production areas, aisles, rows, and rectangular workspaces.
Replacing T5 Fluorescent High Bays with LED
T5 high bay LED replacement lights are used to replace older 4-foot fluorescent fixtures commonly found in warehouses, shops, factories, gymnasiums, and production areas. Most fluorescent high bays use 54-watt T5HO tubes, with each new lamp producing approximately 5,000 lumens. The actual light reaching the floor is lower after accounting for the fixture reflector, ballast, lamp age, dirt, and light trapped inside the housing.
Linear LED high bays are usually the closest replacement because their rectangular shape and broad distribution resemble the original fluorescent fixture. A UFO LED high bay can also be used when its lumen output, optics, mounting height, and spacing provide the required coverage. UFO fixtures are often a good option in open areas, while linear fixtures may provide better coverage over aisles, rows, and rectangular workspaces. Start by matching the existing lamp count to an LED lumen range, then choose the fixture type based on the layout and confirm mounting height, spacing, voltage, and required foot-candle level before ordering.
LED Lumens for Common T5 High Bay Replacements
| Existing T5HO Fixture | Approx. Fluorescent Lamp Lumens | Suggested LED Fixture Range |
|---|---|---|
| 2-Lamp T5HO | Approx. 10,000 lumens | 8,000-12,000 LED lumens |
| 4-Lamp T5HO | Approx. 20,000 lumens | 15,000-22,000 LED lumens |
| 6-Lamp T5HO | Approx. 30,000 lumens | 22,000-30,000 LED lumens |
| 8-Lamp T5HO | Approx. 40,000 lumens | 30,000-40,000 LED lumens |
| 12-Lamp T5HO | Approx. 60,000 lumens | 40,000-55,000 LED lumens |
These ranges are practical starting points, not guaranteed one-for-one replacements. A lower-output LED may equal or outperform a higher-lumen fluorescent fixture because LED high bays direct more light toward the work area. However, replacing a linear fluorescent fixture with a compact UFO may change fixture spacing and light distribution even when the lumen output is similar.
Before ordering, confirm the existing lamp count, mounting height, fixture spacing, voltage, aisle or open-area layout, and required foot-candle level. For larger facilities or projects where uniformity and task lighting are important, use a photometric lighting plan to verify fixture quantity, output, spacing, and optics.
Certifications and Warranty
Confirm the selected LED high bay carries a recognized safety certification such as UL, ETL, or CSA and verify DLC or DLC Premium status when utility rebates are expected. Product voltage, dimming, controls, environmental ratings, and warranty coverage vary by model. Most LED Lighting Supply high bays include a 5-year warranty unless otherwise specified.
T5 High Bay LED Replacement Lights FAQs
How Do I Choose Between Linear And UFO LED High Bays?
Linear LED high bays are usually the closest replacement for T5 fluorescent fixtures because their rectangular shape and broad distribution resemble the original fixture. UFO LED high bays can also be used when their lumen output, optics, mounting height, and spacing provide the required coverage; they are often a good option in open areas, while linear fixtures may provide better coverage over aisles, rows, and rectangular workspaces.
What LED Lumen Range Replaces A 4-Lamp T5HO High Bay?
A 4-lamp T5HO fixture with approximately 20,000 fluorescent lamp lumens has a suggested LED fixture range of 15,000 to 22,000 LED lumens. This range is a practical starting point, not a guaranteed one-for-one replacement.
What LED Lumen Range Replaces A 6-Lamp Or 8-Lamp T5HO High Bay?
A 6-lamp T5HO fixture has a suggested LED range of 22,000 to 30,000 lumens, while an 8-lamp T5HO fixture has a suggested range of 30,000 to 40,000 LED lumens. Confirm the existing lamp count along with project conditions before ordering.
Why Are T5HO-To-LED Lumen Ranges Not Guaranteed One-For-One Replacements?
The suggested LED lumen ranges are not guaranteed one-for-one replacements because a lower-output LED may equal or outperform a higher-lumen fluorescent fixture by directing more light toward the work area. Replacing a linear fluorescent fixture with a compact UFO fixture may also change fixture spacing and light distribution when lumen output is similar.
What Should Be Confirmed Before Ordering T5 High Bay LED Replacement Lights?
Before ordering, confirm the existing lamp count, mounting height, fixture spacing, voltage, aisle or open-area layout, and required foot-candle level. For larger facilities or projects where uniformity and task lighting are important, use a photometric lighting plan to verify fixture quantity, output, spacing, and optics.
What Certifications Should Be Verified For An LED High Bay Replacement?
Confirm that the selected LED high bay carries a recognized safety certification such as UL, ETL, or CSA. Verify DLC or DLC Premium status when utility rebates are expected.
Do LED High Bay Voltage, Controls, And Warranty Coverage Vary By Model?
Product voltage, dimming, controls, environmental ratings, and warranty coverage vary by model. Most LED Lighting Supply high bays include a 5-year warranty unless otherwise specified.
