LED Flat Panel Lights and Troffer Lights
- Achieve 50%+ energy savings with 50,000+ hour lifespan reliability
- DLC Premium certified fixtures qualify for maximum utility rebates
- Zero flicker, instant-on performance with 5-year USA warranty support
Get Your Custom Lighting Plan With Product Recommendations
- Professional Grid Layout Design for Seamless Ceiling Integration & Visual Appeal
- Precise Panel Count, Spacing & Wattage Calculations for Optimal Office Illumination
- Reduce HVAC Costs with Low-Heat LED Panels & Extended Lifespan
Our LED Flat Panel Lights and Troffer Lights include 1×4, 2×2, and 2×4 ceiling fixtures for commercial interiors, fluorescent replacements, and new construction. Product options include flat panel and recessed troffer styles, with backlit and edge-lit panel designs available depending on the model. Most panels support recessed ceiling grid installation, while selected models offer chain, cable, or surface mounting accessories. Available features may include selectable wattage, 3500K, 4000K, and 5000K color temperatures, CRI 80+, 0-10V or 1-10V dimming, motion sensors, and emergency battery backup. Listed products may support 100-277V operation.
Common applications for these fixtures include corporate offices, private offices, conference rooms, classrooms, libraries, healthcare offices, retail stores, corridors, hallways, hospitality interiors, and other indoor commercial spaces. The 1×4 panels are used in narrow rooms and corridors, while 2×2 panels fit smaller rooms and standard 2×2 ceiling openings. The 2×4 panels are installed in open offices, classrooms, meeting rooms, and retail spaces. LED troffers support traditional recessed ceiling installations and fluorescent troffer retrofit projects. Depending on the product, available listings include UL, ETL, or CSA, with many models carrying DLC or DLC Premium listings.
What Are LED Panel Lighting Fixtures?
LED panel lighting fixtures are slim, low-profile commercial ceiling lights used in dropped ceiling grids, suspended ceiling systems, and indoor commercial spaces that need clean, even illumination. They are commonly used to replace fluorescent troffers and older fluorescent panel fixtures in offices, schools, healthcare spaces, retail stores, corridors, conference rooms, hospitality interiors, and other professional environments.
Common LED panel sizes include 1×4, 2×2, and 2×4. These sizes fit many standard ceiling grid layouts and can support both retrofit projects and new construction. LED panels are often chosen when the project needs a flat, modern ceiling appearance with broad general illumination.
Many LED panel models may include selectable wattage, selectable color temperature, dimming, motion sensor options, emergency battery backup, or alternate mounting accessories, depending on the model. Final selection should be based on ceiling grid size, light level target, lumen output, color temperature, dimming requirements, mounting method, emergency backup needs, and project goals.
Selection and Installation Note: Product specifications, lumen output, wattage, color temperature, CRI, dimming type, motion sensor options, emergency backup, mounting accessories, certifications, and warranty coverage vary by model. Confirm the selected product specification before ordering. For code-sensitive, electrical, emergency egress, commercial, healthcare, education, or safety-critical applications, verify requirements with your local inspector or a licensed electrical professional.
Airtho Upgrades Cleanroom Facilities to LED Lighting Case Study
The Backstory:
Airtho designs modular, pre-engineered structures for controlled environments. Building these types of facilities requires the proper lighting solution the first time. Airtho needed a supplier who could move fast and understand cleanroom-specific requirements.
Airtho’s President, Brandon Bogart, reached out to LED Lighting Supply in 2020 with a time-sensitive need for 10 LED panel lights. The lighting would be installed in a cleanroom drop ceiling system for a job that ships out the following week. Our Product Specialist, Jeff Cesenaro, was quick to respond and provided his consultative expertise, walking Brandon through kelvin temperature and lumen output options.
He recommended 2x4 edge-lit panel lights with an emergency battery backup option, all in time to meet the deadline. Jeff showed their team that we can plan, quote, revise, and deliver controlled environment lighting solutions across multiple projects promptly. That first exchange led to LED Lighting Supply becoming the preferred lighting supplier for Airtho.
The Challenge of Airtho’s Controlled Environment Lighting:
Cleanroom and controlled environment projects require specialized lighting fixtures and expert guidance. Airtho's work called for lighting layout direction, target illumination planning, and communication they could count on at every stage.
Airtho needed a partner that offers:
- Expert advice tailored to the strict cleanliness and performance demands of controlled environments
- Consistent light output and quality across every fixture, critical for maintaining uniform conditions in controlled spaces
- Custom-tailored layout plans matched to each facility's individual dimensions and classification requirements, rather than a generic approach
LED Lighting Supply gave Airtho the support they needed to meet these requirements.
Lighting Plan Created for Techni-Glass in Hawkins County, Tennessee
Lighting Plan Metrics:
- Mounting Height: 13 feet
- Fixture Used: 42 MLLG-AL-LED-PANBLH-2X4-4
- FC Achieved: 78 foot-candles
- Uniformity (Avg/Min): 2.11
- Product(s) Used: MLLG-AL-LED-PANBLH-2X4-40-40
When LED Panel Lights Are the Right Fit
LED panel lights work best in indoor commercial spaces where a clean ceiling appearance, even light distribution, and efficient general illumination are needed. They are not the right choice for every environment, especially wet, harsh, high-bay, outdoor, or hazardous applications.
| Use LED Panel Lights When | Do Not Use Standard LED Panels When |
|---|---|
| Replacing fluorescent troffers or fluorescent panel fixtures in compatible dropped ceiling systems. | The space requires high-bay lighting. Warehouses, gyms, factories, and high-ceiling industrial spaces usually need high bay fixtures. |
| A clean, flat ceiling appearance is desired in offices, schools, healthcare offices, retail stores, conference rooms, and commercial interiors. | The location is wet, humid, washdown, outdoor, or harsh. Use properly rated vapor-tight fixtures for applicable damp, wet, washdown, or harsh environments. |
| The ceiling uses a suspended grid that matches 1×4, 2×2, or 2×4 panel sizes. | The area is hazardous or classified. Hazardous locations require properly rated explosion-proof or hazardous-location fixtures. |
| The project needs dimming, motion sensors, or emergency backup options available on compatible panel models. | The space has direct impact, vibration, high heat, or industrial contamination beyond the fixture rating. |
LED Panel Light Sizes We Offer
LED panel size should match the ceiling grid and room layout. The most common panel sizes are 1×4, 2×2, and 2×4.
| Panel Size | Best Used For |
|---|---|
| 1×4 LED Flat Panels | Corridors, hallways, narrow rooms, and ceiling grid layouts where a longer, narrower panel is preferred. |
| 2×2 LED Flat Panels | Private offices, smaller rooms, schools, healthcare spaces, conference rooms, and 2×2 ceiling grid openings. |
| 2×4 LED Flat Panels | Open offices, classrooms, retail spaces, meeting rooms, and general commercial interiors where broader panel coverage is preferred. |
| LED Troffers | Traditional recessed commercial ceiling applications and fluorescent troffer replacement projects where a troffer-style appearance is preferred. |
Best Applications for LED Panel Lighting
LED panel lights are commonly used in indoor commercial spaces where a clean ceiling appearance and broad, even lighting are preferred.
| Application | Why LED Panels Work Well |
|---|---|
| Corporate Offices | LED panels provide clean, uniform lighting for open offices, private offices, workstations, and administrative areas. |
| Conference Rooms | Panels provide even general illumination for meetings, presentations, and video calls. Dimmable models can help adjust light levels when compatible controls are used. |
| Schools and Classrooms | LED panels provide consistent lighting for classrooms, libraries, computer labs, offices, and common areas. |
| Healthcare Offices | Panels provide a clean ceiling appearance and dependable general lighting for waiting rooms, administrative areas, exam rooms, and corridors. |
| Retail Stores | CRI 80+ panel options provide clean general illumination for sales floors, checkout areas, fitting rooms, and back-of-house spaces. |
| Corridors and Hallways | 1×4 and 2×2 panels can work well in corridors and narrow ceiling grid layouts where even wayfinding light is needed. |
| Hospitality Interiors | LED panels can provide clean, low-profile lighting for back-of-house spaces, meeting rooms, corridors, offices, and service areas. |
| New Construction | Standard panel sizes and 100-277V drivers simplify product selection for many commercial ceiling grid layouts. |
Recommended Foot-Candles for LED Panel Lighting
Use the tool below for general starting foot-candle ranges by application. Foot-candle guidance helps estimate light levels for offices, classrooms, conference rooms, retail spaces, corridors, healthcare offices, and similar commercial interiors. Final fixture count and spacing should be reviewed based on ceiling height, room size, panel size, lumen output, controls, daylight, surface reflectance, and visual comfort.
Step 1: Find your foot candle levels
Step 2: Estimate your fixture count and space
LED Panel Lighting Layout Estimator
Use this estimator to calculate approximate fixture count, spacing, and average foot-candles for offices, schools, healthcare spaces, and commercial interiors using LED panel fixtures. Enter your room dimensions, mounting height, target foot-candles, light loss factor, and room/layout condition to generate a preliminary lighting layout. When IES photometry is available, workplane height and room reflectance controls are shown.
Project Inputs
Estimated Results
Estimated average foot-candles are preliminary and should be verified with a lighting plan for project-critical applications.
Room / Layout Condition: This field is used only when usable IES photometry is not available. In fallback mode, it acts as a simplified room utilization factor for reflectance, fixture distribution, racking, obstructions, and how much fixture light reaches the work area. Open / light-colored spaces use 0.90, typical warehouses or shops use 0.75, racked or obstructed spaces use 0.60, and dark or complex spaces use 0.45. When IES photometry is active, this field is hidden and the estimator uses the selected workplane height, LLF, and simplified reflectance adjustment instead.
Photometry / Simulation Note: When usable IES photometry is available for the selected fixture, this estimator uses the fixture’s IES candela data, selected workplane height, light loss factor, and simplified reflectance adjustment to estimate fixture count, average foot-candles, and visual light distribution. The reflectance adjustment is a conservative approximation and is not a full zonal-cavity, radiosity, or professional photometric room calculation. When IES photometry is not available, the estimator uses a simulated beam model based on lumens, mounting height, room/layout condition, light loss factor, and beam angle.
Preliminary Estimate Only: This estimator is intended for simple square or rectangular spaces and should be used as a planning aid, not a final photometric lighting plan. Actual light levels may vary based on fixture optics, selected IES file, mounting conditions, workplane height, ceiling height, surface reflectance, obstructions, controls, voltage, installation conditions, and site-specific requirements. Project-critical applications should be verified with a formal lighting plan.
This estimate is a starting point. Warehouses, industrial facilities, hazardous locations, sports areas, schools, healthcare spaces, public areas, and code-sensitive projects may require a reviewed lighting layout before purchase or installation.
Choosing LED Panel Lights by Size, Ceiling Type, Lumens, Color Temperature, and Controls
LED panel lights should not be selected only by fixture size or wattage. A 1×4, 2×2, or 2×4 panel may all work well in the right application, but the correct option depends on ceiling grid size, room layout, light level target, lumen output, color temperature, dimming requirements, emergency backup needs, and installation method.
| Planning Factor | What to Confirm |
|---|---|
| Ceiling grid size | Confirm whether the project needs 1×4, 2×2, or 2×4 LED panels based on the actual ceiling grid opening. |
| Mounting method | Most panels are designed for recessed grid installation. Some models may offer chain, cable, or surface mounting accessories. |
| Room type | Offices, classrooms, corridors, healthcare offices, retail floors, conference rooms, and storage rooms may need different light levels. |
| Lumen output | Compare lumen output, fixture spacing, ceiling height, room size, and target foot-candles instead of matching fluorescent wattage. |
| Wattage selection | Selectable wattage can help fine-tune output after installation, depending on the model. |
| Color temperature | Many panels offer selectable 3500K, 4000K, and 5000K options. Some models are fixed 4000K. Choose CCT based on room use and visual comfort. |
| CRI | Listed flat panel products may show CRI 80+ for general commercial lighting. Color-critical spaces may require specialized fixtures. |
| Dimming compatibility | Confirm whether the panel supports 0-10V, 1-10V, or another dimming method and whether existing controls are compatible. |
| Motion sensors | Motion sensor options may be useful in corridors, storage rooms, break rooms, offices, and other intermittently occupied spaces. |
| Emergency backup | Confirm whether emergency battery backup panels are required for corridors, egress paths, or other code-sensitive spaces. |
| Voltage | Listed panel products may support 100-277V, depending on model. Confirm site voltage and electrical requirements before ordering. |
| Environment | Standard indoor panels are not substitutes for damp, wet, washdown, outdoor, hazardous-location, or harsh-environment fixtures. |
| Certifications and rebates | Confirm UL, DLC, ROHS, rebate eligibility, and other required certifications on the selected product specification. |
Backlit vs Edge-Lit LED Panels
LED panels are commonly described as backlit or edge-lit, depending on how the LEDs are positioned inside the fixture. Many current commercial panel options are backlit designs because they can provide strong efficiency, good uniformity, and reliable general illumination. Edge-lit designs may be used where a very thin profile is the main priority, depending on available models.
| Feature | Backlit LED Panels | Edge-Lit LED Panels |
|---|---|---|
| LED Placement | LEDs are positioned behind the diffuser. | LEDs are positioned along the panel edges. |
| Light Distribution | Designed to spread light directly through the diffuser. | Uses a light guide to distribute light from the edges. |
| Fixture Profile | Low profile, but may be deeper than some edge-lit designs. | Often very slim, depending on design. |
| Best Use | General commercial panel lighting where efficiency and uniformity matter. | Applications where a very thin profile is the main priority, if available. |
LED Panel Light Certifications, Rebates, and Warranty Support
LED panel lights from LED Lighting Supply carry a safety listing such as UL, ETL, or CSA, depending on the product. Many models are DLC or DLC Premium listed for utility rebate support where applicable. Rebate requirements vary by utility, region, and product listing, so confirm eligibility on the selected product specification before ordering.
Most LED panel lights include a 5-year warranty unless otherwise specified, with USA-based warranty support. Before ordering, confirm the selected panel’s certifications, DLC status, voltage, dimming compatibility, emergency backup options, mounting method, and whether the fixture fits the room and ceiling layout.
Common LED Panel Lighting Mistakes
LED panel projects usually go smoothly when ceiling grid size, mounting method, dimming compatibility, light level target, color temperature, and emergency requirements are confirmed before ordering. Most problems happen when panels are treated as interchangeable or selected only by size.
- Assuming all panels are the same size: 1×4, 2×2, and 2×4 panels fit different ceiling grid layouts.
- Selecting by fluorescent wattage alone: Compare LED lumens, fixture spacing, ceiling height, and target foot-candles instead.
- Ignoring dimming compatibility: Existing dimmers and controls may not be compatible with the selected LED panel.
- Forgetting emergency backup requirements: Egress paths, corridors, schools, healthcare offices, and public spaces may require emergency lighting.
- Using standard panels in the wrong environment: Standard LED panels are not substitutes for wet-location, washdown, outdoor, high-temperature, or hazardous-location fixtures.
- Mixing color temperatures: Inconsistent CCT can make offices, classrooms, and commercial interiors look uneven.
- Overlooking mounting accessories: Surface mounting, suspension kits, and alternate mounting methods vary by product and should be confirmed before ordering.
Contact us about your LED panel lighting project and our Product Specialists can help review ceiling grid size, panel size, lumen output, fixture spacing, color temperature, controls, emergency backup, and product specifications.
This Content on LED panel and troffer lighting layout guidance and fixture selection content Was Professionally Reviewed By:
Dwayne Kula
Founder, President & CTO
LED Lighting Supply
Dwayne has spent over 17 years working directly with LED lighting systems for commercial, industrial, municipal, and specialty lighting applications. His work focuses on helping customers select appropriate fixtures based on application, mounting height, lumen output, optics, controls, voltage, environment, safety requirements, and long-term performance expectations.
He has extensive experience with industrial and commercial lighting projects, including warehouses, manufacturing facilities, parking lots, sports facilities, hazardous locations, exterior building lighting, and large-scale LED retrofit projects.
This content was reviewed for technical accuracy, real-world application, product selection relevance, and clarity for the stated lighting topic.
LED Flat Panel Lights and Troffer Lights FAQs
What Are LED Panel Lighting Fixtures?
LED panel lighting fixtures are designed for installation in dropped or suspended ceiling systems, providing a modern alternative to fluorescent panels and LED troffer lights. Their ultra-thin profile, just 0.75 inches thick, makes them ideal for spaces with limited ceiling clearance. These fixtures are popular in offices and retail environments for their sleek appearance and effective illumination.
When Should I Use LED Panel Lights?
Use LED panel lights when replacing fluorescent troffers in commercial spaces with dropped ceilings, when ceiling clearance is limited, or when flicker-free illumination is necessary for tasks like computer work or photography. They are also suitable for cold storage or unheated facilities where instant-on performance is needed, and when energy savings and reduced maintenance costs are priorities.
When Should I Avoid Using LED Panel Lights?
Avoid using LED panel lights in high-bay applications that require concentrated light from elevated heights, in harsh outdoor environments needing weatherproof housing, or in hazardous locations requiring explosion-proof certifications. They are also not suitable for direct task lighting needing focused beams or when existing magnetic ballast dimmers cannot be upgraded to 0-10V systems.
What Should Be Verified Before Ordering LED Panel Lights?
Before ordering, verify ceiling grid dimensions and structural load capacity, plenum clearance for driver installation, voltage compatibility (120V to 277V), color temperature requirements, and emergency backup and egress code requirements. This ensures the panels meet your specific installation and operational needs.
What Are the Benefits of LED Panel Lighting Compared to Fluorescent Troffers?
LED panel lighting offers significant energy savings, reducing energy use by 50-75% compared to fluorescent troffers. They provide high-quality illumination with a high CRI and consistent color over their lifespan, reducing maintenance costs by eliminating tube and ballast replacements. LED panels also operate without flicker or noise, reach full brightness instantly, and are compatible with advanced controls like motion sensors.
What Is the Difference Between Edge Lit and Backlit LED Panels?
Backlit LED panels have LED arrays mounted directly behind a frosted diffuser, offering uniform light distribution and superior output. Edge-lit panels have LEDs along the perimeter, directing light inward through a light guide plate, resulting in a thinner profile but typically less light output than backlit versions.
What Voltage Compatibility and Driver Technology Do LED Panels Offer?
Our LED panels feature universal voltage drivers compatible with 120V to 277V systems, automatically adjusting to your building’s electrical setup. This flexibility simplifies installation in both residential and commercial applications, accommodating mixed-use buildings with varying voltages.
How Do Dimming and Controls Integration Work with LED Panels?
LED panels support 0-10V dimming down to 10% output, providing smooth, flicker-free dimming. Integration with building automation systems allows for scheduling, daylight harvesting, and zone control, maximizing energy efficiency and user comfort.
What Additional Features Are Available with LED Panels?
Additional features include color-selectable panels with switchable color temperatures from 3000K to 5000K, wattage-selectable panels for post-installation brightness adjustment, integrated emergency backup systems for 90-minute illumination during outages, and occupancy sensors for automatic lighting control based on room occupancy.
What Safety and Performance Certifications Do LED Panels Have?
Our LED panels carry essential certifications such as DLC Premium, UL Listed, and ETL Listed, ensuring safety, performance, and energy efficiency. These certifications qualify your project for utility rebates and tax incentives when properly installed, guaranteeing the highest efficiency standards.
What Warranty and Support Are Available for LED Panels?
All our LED panels come with at least a 5-year warranty, with support based in the USA. Our experienced team is dedicated to resolving any warranty issues quickly to keep your lighting operational.