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RAB RLB-4C Retrofit Light Bar – 1x4 – 3 Wattage Selectable – 5 CCT Selectable – Clear Lens – 3017-4690 Lumens – 120-277V -
RAB RLB-3C Retrofit Light Bar – 1x3 – 3 Wattage Selectable – 5 CCT Selectable – Clear Lens – 2396-3806 Lumens – 120-277V -
RAB RLB-2F Retrofit Light Bar – 1x2 – 3 Wattage Selectable – 5 CCT Selectable – Frosted Lens – 1337-2659 Lumens – 120-277V -
RAB RLB-3F Retrofit Light Bar – 1x3 – 3 Wattage Selectable – 5 CCT Selectable – Frosted Lens – 2021-3254 Lumens – 120-277V -
RAB RLB2-2F Retrofit Light Bar – 2x2 – 5 Wattage Selectable – 5 CCT Selectable – Frosted Lens – 2609-5043 Lumens – 120-277V -
RAB RLB2-4C Retrofit Light Bar – 2x4 – 5 Wattage Selectable – 5 CCT Selectable – Clear Lens – 4481-7539 Lumens – 120-277V -
RAB RLB2-2C Retrofit Light Bar – 2x2 – 5 Wattage Selectable – 5 CCT Selectable – Clear Lens – 3098-6016 Lumens – 120-277V -
RAB RLB-2C Retrofit Light Bar – 1x2 – 3 Wattage Selectable – 5 CCT Selectable – Clear Lens – 1585-3018 Lumens – 120-277V -
RAB RLB2-3F Retrofit Light Bar – 2x3 – 5 Wattage Selectable – 5 CCT Selectable – Frosted Lens – 3397-5976 Lumens – 120-277V -
RAB RLB2-3C Retrofit Light Bar – 2x3 – 5 Wattage Selectable – 5 CCT Selectable – Clear Lens – 4033-7011 Lumens – 120-277V -
RAB RLB-4F Retrofit Light Bar – 1x4 – 3 Wattage Selectable – 5 CCT Selectable – Frosted Lens – 2540-3953 Lumens – 120-277V -
RAB RLB2-4F Retrofit Light Bar – 2x4 – 5 Wattage Selectable – 5 CCT Selectable – Frosted Lens – 3927-6640 Lumens – 120-277V -
TCP RK24UZDSW4CCT LED Magnetic Retrofit Kit – 4ft – 29W/38W/46W Selectable – 3500K/4000K/5000K Selectable – 120-277V -
TCP RK24UZDSW2CCT LED Magnetic Retrofit Kit – 4ft – 18W/24W/30W Selectable – 3500K/4000K/5000K Selectable – 120-277V -
TCP RK23UZDSW4CCT LED Magnetic Retrofit Kit – 3ft – 29W/38W/46W Selectable – 3500K/4000K/5000K Selectable – 120-277V -
TCP RK23UZDSW2CCT LED Magnetic Retrofit Kit – 3ft – 18W/24W/30W Selectable – 3500K/4000K/5000K Selectable – 120-277V -
TCP RK22UZDSW4CCT LED Magnetic Retrofit Kit – 2ft – 29W/38W/46W Selectable – 3500K/4000K/5000K Selectable – 120-277V -
TCP RK22UZDSW2CCT LED Magnetic Retrofit Kit – 2ft – 18W/24W/30W Selectable – 3500K/4000K/5000K Selectable – 120-277V
Collection: Retrofit Kits
Giving Existing Fixtures a Smarter Future
Upgrading existing lighting doesn't always require replacing the entire fixture. Commercial Lighting Supply offers specification-grade LED retrofit kits designed to modernize commercial and industrial lighting systems while preserving existing housings whenever practical. Whether you're improving energy efficiency, reducing maintenance costs, or extending the life of an existing installation, our retrofit solutions provide contractors and facility professionals with a cost-effective path to modern LED performance.
Preserving the Fixture. Transforming the Performance.
Not every lighting upgrade requires replacing the entire luminaire. LED retrofit kits allow existing fixture housings to remain in service while replacing outdated lighting components with modern, energy-efficient LED technology. By preserving the original fixture whenever practical, retrofit solutions help reduce material waste, minimize installation time, and improve lighting performance without the cost of a complete fixture replacement.
Modernizing Existing Lighting Systems
Many commercial buildings contain lighting fixtures that remain structurally sound even though the lighting technology inside has become outdated. Retrofit kits provide a practical solution by upgrading the light source, driver, optics, and other critical components while allowing the existing housing to remain in place whenever appropriate.
Commercial Office Buildings
Office renovations often utilize retrofit kits to improve energy efficiency and lighting quality without replacing large numbers of ceiling fixtures. Modern LED retrofits help reduce maintenance while updating the appearance and performance of existing lighting systems.
Schools & Educational Facilities
Educational campuses frequently complete lighting upgrades in phases. Retrofit kits allow classrooms, libraries, gymnasiums, cafeterias, and administrative buildings to benefit from modern LED technology while minimizing disruption to daily operations.
Healthcare Facilities
Hospitals, medical offices, and healthcare campuses often prefer retrofit solutions where existing fixtures remain in good condition. Upgrading internal lighting components can improve efficiency and light quality while preserving finished ceilings and architectural features.
Industrial & Manufacturing Facilities
Warehouses, manufacturing plants, and industrial facilities commonly utilize retrofit kits to improve high-output lighting systems while reducing maintenance and extending the useful life of existing luminaires.
Why Retrofit Instead of Replace?
Complete fixture replacement is not always the most practical solution. When existing housings remain in good condition, retrofit kits provide an opportunity to modernize lighting performance while reducing labor, minimizing waste, and preserving the original installation.
Lower Project Costs
Retaining the existing housing can often reduce material and labor costs compared to replacing an entire fixture, particularly across large commercial lighting projects.
Reduced Installation Time
Many retrofit solutions simplify the upgrade process by utilizing existing fixture locations, helping contractors complete projects more efficiently while minimizing disruption to occupied buildings.
Improved Energy Efficiency
Modern LED technology significantly reduces energy consumption while delivering improved light quality, longer operating life, and lower maintenance requirements than many older fluorescent and HID lighting systems.
Supporting Sustainability Goals
Preserving existing fixture housings whenever practical can reduce construction waste while extending the useful life of commercial lighting infrastructure, making retrofit projects an attractive option for facilities focused on long-term sustainability.
Applications Across Commercial Facilities
LED retrofit kits are used throughout office buildings, schools, universities, healthcare facilities, warehouses, manufacturing plants, retail centers, municipal buildings, hospitality properties, and other commercial environments where improving lighting performance without replacing complete fixtures offers operational and economic advantages.
Commercial Lighting Supply offers retrofit solutions for a variety of commercial lighting systems, allowing facility managers, contractors, and building owners to upgrade existing installations with confidence.
Upgrade the Fixture. Keep the Ceiling. Here's What to Know Before Choosing an LED Retrofit Kit.
Sometimes the Best Fixture Is the One Already Installed
What is an LED retrofit kit?
LED retrofit kits are designed to modernize existing light fixtures without replacing the entire housing. Instead of removing a fixture from the ceiling, wall, or canopy, a retrofit kit upgrades the light engine, driver, and related components while reusing much of the original fixture. This approach can reduce installation time, minimize disruption, and extend the life of existing infrastructure.
Not Every Fixture Needs a Full Replacement
When should I choose a retrofit kit instead of a new fixture?
Retrofit kits are an excellent choice when the existing housing is still in good condition but the lighting technology is outdated. They are commonly used in commercial buildings, schools, offices, parking garages, canopies, and industrial facilities where replacing the entire fixture would add unnecessary labor or expense.
Compatibility Comes Before Performance
How do I know if a retrofit kit will fit my existing fixture?
Always verify the fixture type, housing dimensions, mounting configuration, voltage, and available space before selecting a retrofit kit. Many manufacturers design retrofit kits for specific fixture families, while others offer universal solutions that fit a wider range of commercial applications.
Better Lighting Starts with the Right Output
How many lumens do I need from an LED retrofit kit?
The ideal lumen package depends on mounting height, fixture spacing, ceiling conditions, and the lighting requirements of the space. Rather than matching wattage alone, compare lumen output, optical performance, and distribution to ensure the upgraded fixture delivers the desired illumination.
One Retrofit Can Cover Multiple Applications
Should I choose selectable wattage or selectable color temperature?
Many commercial retrofit kits include field-selectable wattage, selectable color temperature, or both. These features allow installers to fine-tune light output during installation, making it easier to adapt to changing project requirements while reducing the need to stock multiple fixture variations.
Modern Controls Shouldn't Stop at the Fixture
Can LED retrofit kits be integrated with lighting controls?
Many retrofit kits support 0-10V dimming and may be compatible with occupancy sensors, daylight harvesting systems, wireless controls, and networked lighting platforms. Pairing a retrofit with modern controls can significantly improve both energy efficiency and occupant comfort.
The Upgrade Should Last for Years
What should I look for in a commercial LED retrofit kit?
Look for quality drivers, dependable thermal management, high efficacy, long-rated life, appropriate certifications, and a warranty backed by a trusted manufacturer. Choosing a well-engineered retrofit kit helps reduce maintenance while delivering consistent lighting performance over the life of the installation.
Plan the Project Before You Open the Fixture
What should I consider before specifying an LED retrofit kit?
Evaluate fixture compatibility, electrical requirements, control options, emergency lighting needs, optical performance, and long-term maintenance before ordering. A properly selected retrofit kit can deliver the benefits of modern LED lighting while preserving the existing fixture and minimizing installation costs.
Need Help Choosing?
Get Help Selecting Retrofit Kits
Upgrading existing fixtures with retrofit kits requires evaluating fixture compatibility, installation requirements, driver performance, lumen output, color temperature, and long-term energy savings. Our commercial lighting specialists can help compare retrofit solutions that maximize the value of your existing lighting system.
Visit our Knoxville headquarters or contact our team for expert assistance. Commercial Lighting Supply has proudly served contractors, facility managers, electricians, businesses, and property owners since 1996 while shipping commercial lighting products nationwide.
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COMMERCIAL INDOOR LIGHTING
Explore Commercial Indoor Lighting Categories
Compare indoor lighting categories for offices, warehouses, schools, healthcare facilities, retail environments, manufacturing plants, hospitality spaces, and other interiors.
Architectural Linear Lights
Architectural linear lights combine clean, modern aesthetics with high-performance LED technology for offices, healthcare facilities, educational campuses, hospitality venues, and retail environments. Explore suspended, recessed, surface-mounted, and wall-mounted options.
Cylinder Lights
Cylinder lights combine modern architectural styling with focused, high-performance illumination for offices, hospitality venues, retail spaces, educational facilities, and commercial interiors. Explore pendant, surface-mounted, and wall-mounted LED cylinder lighting solutions.
Disk Lights
Disk lights provide slim, energy-efficient illumination for kitchens, hallways, closets, offices, corridors, multifamily housing, and low-clearance ceiling applications. Explore round and square LED disk lights designed for easy installation, uniform light distribution, and long-lasting performance.
Flush Mount Lights
Flush mount lights provide clean, low-profile illumination for offices, schools, healthcare facilities, corridors, residential spaces, and commercial interiors. Explore energy-efficient LED flush mount fixtures designed for dependable performance and uniform light distribution.
High Bay Lights
High bay lights provide powerful illumination for warehouses, manufacturing facilities, gymnasiums, distribution centers, and other spaces with high ceilings. Explore LED UFO, linear, washdown, and tube-ready high bay fixtures engineered for demanding environments.
Panel Lights
Panel lights deliver bright, uniform illumination for offices, schools, healthcare facilities, conference rooms, and other suspended ceiling applications. Explore energy-efficient LED panel lights available in 1x4, 2x2, and 2x4 configurations for new construction and retrofit projects.
Recessed Lighting
Recessed lighting delivers clean, low-profile illumination for offices, schools, healthcare facilities, retail spaces, hospitality venues, and residential applications. Explore canless, wafer, retrofit, trim, housing, and adjustable LED recessed lighting solutions.
Current Category
Retrofit Kits
Retrofit kits make it easy to upgrade existing lighting systems with energy-efficient LED technology while reusing compatible fixtures. Explore retrofit solutions designed to improve light output, reduce maintenance, and lower operating costs across a wide range of applications.
Stairwell Lights
Stairwell lights provide dependable illumination for stairwells, corridors, apartment buildings, parking garages, schools, and commercial buildings. Explore LED fixtures with integrated occupancy sensors and energy-saving controls designed to improve safety and efficiency.
Step Lights
Step lights provide low-profile illumination that improves safety and visibility on interior stairways, corridors, pathways, theaters, and architectural spaces. Explore LED step lighting designed to enhance navigation while complementing modern interior designs.
Strip Lights
Strip lights provide dependable, energy-efficient illumination for utility rooms, storage areas, workshops, warehouses, parking garages, and other indoor spaces. Explore LED strip lighting designed for reliable performance, long service life, and easy installation.
Tape Lighting
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Temporary Lights
Temporary lights provide durable, high-output illumination for construction sites, renovation projects, maintenance work, warehouses, and industrial job sites. Explore portable LED temporary lighting designed for quick installation, reliable performance, and demanding work environments.
Track Lighting
Track lighting provides flexible, directional illumination for retail displays, galleries, showrooms, hospitality spaces, offices, and residential interiors. Explore LED track heads, track systems, and accessories designed to highlight products, architectural features, and workspaces.
Troffer Lights
Troffer lights deliver uniform, energy-efficient illumination for offices, schools, healthcare facilities, government buildings, and suspended ceiling applications. Explore LED troffer fixtures designed to improve visual comfort and reduce maintenance.
Undercabinet Lighting
Undercabinet lighting provides focused task illumination for countertops, workstations, display areas, laboratories, breakrooms, and residential kitchens. Explore energy-efficient LED fixtures designed to improve visibility while creating clean, shadow-free lighting.
Vanity Lights
Vanity lights provide balanced, flattering illumination for restrooms, locker rooms, hospitality suites, healthcare facilities, and residential bathrooms. Explore LED vanity lighting designed to enhance visibility, comfort, and modern interior aesthetics.
Vapor Tight Lights
Vapor tight lights are designed to withstand moisture, dust, humidity, and harsh operating conditions in parking garages, food processing facilities, utility areas, warehouses, and industrial environments. Explore durable LED fixtures built for reliable performance in challenging applications.
Wraparound Lights
Wraparound lights provide uniform, energy-efficient illumination for offices, schools, hallways, utility rooms, stairwells, storage areas, and other indoor spaces. Explore dependable LED fixtures designed for everyday performance and reliability.