Replacing Fluorescent Light Fixture with LED Fixture

• 3 May 2025

Fluorescent lighting was once the standard for homes and businesses, but today, LED light fixtures offer superior energy efficiency, longer lifespans, and enhanced design flexibility. Whether you’re replacing outdated fluorescent tubes in an office, upgrading to sleek linear pendant lighting for a modern look, or installing swimming pool LED strip lights for ambiance, making the switch to LED is a smart investment.

However, not all LED fixtures are created equal. Choosing the right type (such as recessed lighting, high bay lights, or under-cabinet strips) and installing them correctly ensures optimal performance and aesthetics. This guide covers everything you need to know—from selecting the best LED ceiling light fixtures to safely cutting and installing LED strip lights.

By the end, you’ll be equipped to:

• Save energy & reduce costs with long-lasting LED technology.
• Enhance your space with the right fixture style (commercial, residential, or outdoor).
• Install like a pro with key tips for recessed, under-cabinet, and strip lighting.

Let’s dive in!

What Are the Benefits of Switching from Fluorescent to LED?

Replacing fluorescent lights with LED lights offers significant advantages across energy efficiency, cost savings, performance, safety, and environmental impact:

Superior Energy Efficiency and Cost Savings

LED lights are substantially more energy-efficient than fluorescent bulbs, using up to 44% less energy according to recent studies. This translates directly into lower electricity bills and operational costs for both residential and commercial users. LEDs also convert more of their energy into light rather than heat, maximizing efficiency.

Longer Lifespan and Reduced Maintenance

LEDs last significantly longer than fluorescent tubes—often up to 50,000 hours or more, compared to 10,000–15,000 hours for fluorescents. This extended lifespan means fewer replacements and less maintenance.

Better Lighting Performance

LEDs provide instant, flicker-free illumination with no warm-up time, improving visual comfort and productivity. They offer higher brightness per watt, superior color rendering, and more even light distribution.

Enhanced Safety and Environmental Benefits

Unlike fluorescent bulbs, LEDs do not contain hazardous mercury, making them safer to handle and dispose of. LEDs also operate at lower temperatures, reducing the risk of burns or fire hazards. Their lower energy consumption and longer lifespan further reduce environmental impact by cutting down on waste and carbon emissions.

Improved Reliability and Versatility

LEDs are more durable and resistant to shock and vibration than fragile fluorescent tubes. They are not negatively affected by frequent switching on and off, making them more reliable in dynamic environments. Additionally, LEDs offer better dimming performance and design flexibility for modern lighting needs.

No Flicker or UV Emissions

LEDs eliminate the flickering and UV emissions associated with fluorescent lighting, reducing eye strain and preventing color fading in fabrics and artwork.

LED Light Fixtures by Application

Now let’s break the table down into pieces to explore each type of LED lighting fixates and their installation.

Types & Replacement Tips for Ceiling-Mounted Fixtures

This section includes all the modern types of LED ceiling-mounted fixtures and their installation guide.

What is Recessed Lighting

When it comes to modern lighting solutions, recessed LED ceiling lights offer a sleek, energy-efficient, and versatile option for both residential and commercial spaces.

Recessed LED lighting is ideal for:

• Kitchens – Provides bright, even task lighting over countertops and islands.
• Hallways & Living Rooms – Offers ambient lighting without bulky fixtures.
• Bathrooms – Waterproof options ensure safety near showers and sinks.
• Offices & Retail Spaces – Delivers focused illumination for workspaces and displays.

Safety Considerations of Recessed Lighting

• IC-Rated vs. Non-IC-Rated – IC (Insulation Contact) rated housings are essential if the light will touch insulation to prevent overheating.
• Wet/Damp Ratings – Use wet-rated fixtures in bathrooms and outdoor covered areas.
• Fire Safety – Ensure proper spacing between lights and joists to avoid fire hazards.

How to install recessed lighting

Step 1: Choose the Right Housing

The housing is the hidden part of the fixture that holds the electrical components. There are three main types:

• New Construction Housing – Used when installing lights in a new ceiling before drywall is up.
• Remodel Housing – Designed for existing ceilings, with clips that secure the fixture in place.
• IC-Rated Housing – Required if insulation will be in direct contact with the housing.

Step 2: Select a Trim Style

The trim is the visible part of the fixture and affects both aesthetics and light distribution:

• Baffle Trim – Reduces glare with ribbed interiors (ideal for living rooms).
• Reflector Trim – Enhances brightness with a mirrored interior (great for kitchens).
• Adjustable/Gimbal Trim – Allows directional lighting (perfect for accent lighting).
• Wall Wash Trim – Spreads light evenly across walls (used in galleries and hallways).

Step 3: Installation Steps

1. Turn Off Power – Always shut off electricity at the breaker before installation.
2. Cut the Ceiling Hole – Use a template to mark and cut an opening for the housing.
3. Wire the Fixture – Connect the housing wires to the home’s electrical system.
4. Secure the Housing – Clamp the housing into place (remodel) or attach to joists (new construction).
5. Insert the LED Module – Place the LED light into the housing and attach the trim.
6. Test the Light – Restore power and ensure proper operation.

What Are Flush/Semi-Flush Mounted LED Fixtures

Flush-mounted LED fixtures are ideal for extremely low ceilings (8 ft or less), closets, hallways, and utility rooms. They maximize headroom in tight spaces and can provide even, glare-free illumination, which is great for ambient lighting.

Flush Mounts vs. Chandeliers

Semi-Flush Mounts, suggested by the name, are fixtures that are partially suspended. They are ideal for rooms with 8-9 ft ceilings (bedrooms, dining rooms, foyers). They offer more decorative appeal than flush mounts and can provide softer, more diffused light than a chandelier. Generally speaking, they work well in transitional spaces where a full chandelier would be too large.

Installation Tips for Flush & Semi-Flush Mounts

Step 1: Choose the Right Fixture

• For Closets: Use IC-rated or enclosed fixtures to prevent overheating near clothing.
• For Bedrooms: Opt for dimmable LED flush mounts for adjustable ambiance.
• For Low Ceilings: Select ultra-thin LED models (under 6″ in height).

Step 2: Turn Off Power & Prepare Wiring

• Shut off the electricity at the breaker before installation.
• Ensure the junction box is securely mounted to support the fixture’s weight.

Step 3: Mounting the Fixture

• Attach the mounting bracket to the junction box.
• Connect the wires (black to black, white to white, ground to ground).
• Secure the fixture to the bracket, ensuring no wires are pinched.
• Install bulbs (if not integrated LED) and test the light.

Key Considerations

• Closet Lighting Safety: Follow NEC guidelines—keep fixtures 12″ away from storage areas unless rated for enclosed spaces.
• Ceiling Material: Use reinforced mounting for heavy fixtures on drywall.
• Dimmability: Check if the fixture is compatible with your dimmer switch.

What are LED High Bay Lights

LED high bay lights are specialized lighting fixtures designed for spaces with high ceilings, typically 20 feet (6 meters) or more, such as warehouses, gymnasiums, industrial facilities, large retail stores, and sports arenas.

Their primary function is to deliver bright, uniform illumination across large areas, ensuring safety, productivity, and visibility in environments where conventional lighting would be insufficient.

Types of LED High Bay Fixtures

Installation and Layout Considerations

• Mounting Height: LED high bay lights are typically installed at heights of 20–40+ feet. The required lumen output increases with ceiling height (e.g., 22,000–35,000 lumens for 20–30 ft ceilings).
• Spacing: Proper fixture spacing ensures uniform coverage (e.g., 15–25 ft apart for 20–30 ft ceilings).
• Mounting Methods: Options include hook, chain, pendant, or surface mounting, depending on fixture type and ceiling structure.
• Wiring & Safety: Always follow manufacturer instructions, confirm voltage compatibility, and use appropriate safety gear during installation.
• Lighting Layout: Assess the space’s use (storage, assembly, retail, sports) to determine the required lux/foot-candle levels and number of fixtures.

What is Linear Pendant Lighting

Linear pendant lighting is a modern, versatile solution ideal for illuminating rectangular surfaces such as dining tables, kitchen islands, and office conference tables.

They are long and narrow, designed to distribute light evenly over large, rectangular areas. Unlike traditional chandeliers or single pendants, linear fixtures offer a streamlined look and uniform illumination, making them especially effective for modern dining rooms and open-plan offices.

Types and Benefits of Linear Pendant Lights

Types of linear pendant lights are categorized by the casting direction. These fixtures are commonly used in dining tables, kitchen islands, offices/conference rooms, hallways, and long rooms, considering their uniform illumination and modern appeal. Besides, they are suitable for both residential and commercial environments, and adaptable to various ceiling heights and room sizes.

How to Choose the Right Linear Pendant Lights?

• Size: Select a fixture that spans about one-third to one-half the length of the table or island below it for visual balance and optimal lighting.
• Height: Hang the light 30–34 inches above the surface to ensure clear sightlines and effective illumination.
• Light Output: Consider the number of bulbs, lumen output, and whether dimming is needed for versatility.
• Style & Finish: Match the fixture’s design to your room’s décor, sleek metals for contemporary spaces, glass or wood for warmth, or crystal for luxury.

Task Lighting Solutions – Under-Cabinet Light & Track Lighting

Task lighting provides focused, bright illumination for workspaces, enhancing visibility and functionality.

Two of the most popular task lighting solutions are under-cabinet lights (ideal for kitchens and workstations) and track lighting (perfect for galleries and retail spaces).

What is an Under-Cabinet Light

Under-cabinet lighting refers to fixtures installed beneath cabinets to provide localized lighting on a work surface. They are commonly seen under a cabinet, shelf, or similar surface.

☞ See the benefits of under-cabinet lights in modern lighting design

Types of Under-Cabinet Lights: Hardwired vs Plug-in vs. Battery-Powered

Modern under-cabinet lighting comes in hardwired, plug-in, and battery-powered options, with LED technology offering energy efficiency and long-lasting performance. Below, we compare the different types and share professional installation tips.

How to Install Under-Cabinet Lighting

For a sleek, professional look, LED strip lights can be mounted inside aluminum channels (profiles).

Choose the Right Profile

• Standard (U-shaped) – Directs light downward.
• Frosted Cover (Diffused) – Softens light for even glow.
• Corner Mount – Fits tight spaces.

Installation Steps

1. Measure and cut the aluminum profile to fit under the cabinets.
2. Secure with adhesive or screws.
3. Insert LED strips and attach the diffuser cover.
4. Connect to power (hardwired or plug-in).

What is Track-Lighting

Track lighting consists of a linear track with adjustable light heads that can be positioned, angled, and even moved along the rail. This makes it ideal for spaces where focused, directional lighting is needed, such as galleries, retail stores, kitchens, and living areas.

One of the biggest advantages of track lighting is its adaptability—you can easily swap or reposition fixtures to highlight artwork, merchandise, or task areas. With the shift from halogen to LED track lighting, these systems now offer cooler operation, lower energy use, and superior longevity.

Accent & Decorative Lighting: LED Strip Lights & Cove Lighting

Accent and decorative lighting go beyond basic illumination—they add drama, warmth, and personality to interiors and exteriors alike.

What Are LED Strip Lights

LED strip lights are flexible, adhesive-backed light strips with small LEDs that provide continuous, customizable illumination. They’re widely used for:

• Under-cabinet lighting
• Backlighting TVs & mirrors
• Swimming pool lighting
• Architectural & signage lighting

Types of LED Strip Lights

Silicone-coated (waterproof for pools):

Waterproof LED strip lights are silicone strip lights or tubes (IP64, IP65, IP67, IP68) to protect against water. Therefore, they are ideal for swimming pools and outdoor environments. These strips use high-quality silicone for flexibility, durability, and water resistance.

Neon flex (signage, decor):

Neon Flex LED strips mimic traditional neon lights but use LEDs encased in silicone for flexibility, uniform light, and energy efficiency. They are widely used for signage, decorative outlines, and can be bent into shapes for custom designs.

Neon flex strips can operate at low voltages (12V/24V), are available in various IP ratings for waterproofing, and are easy to install.

High voltage vs low voltage:

High-voltage LED strips (e.g., 120V) are suitable for long runs and professional installations, providing consistent brightness over distance, while low-voltage strips (e.g., 12V, 24V) are safer for DIY and residential use, often used in shorter runs and where safety is a concern.

SMD vs COB

SMD (Surface-Mounted Device): Traditional LED strips with visible individual diodes, typically offering a luminous angle of 120°, and can show hotspots if installed in direct view or close to surfaces.

COB (Chip on Board): Newer technology where LEDs are densely packed directly onto the PCB, resulting in a dotless and uniform light output with a 180° luminous angle. COB strips offer better flexibility, higher CRI (see what CRI is and other LED lighting terms explanations) improved heat dissipation, and are ideal for applications needing continuous, shadow-free light

See the differences between SMD and COB

How to Cut LED Strip Lights

1. Measure the Desired Length: Use a measuring tape to determine the exact length you need for your project. Double-check your measurements to avoid mistakes.
2. Locate the Cutting Points: LED strips have designated cutting points, usually marked by a small line, a scissors icon, or across copper pads. Only cut at these marked locations to maintain circuit integrity.
3. Cut the Strip: Use sharp scissors or wire cutters to make a clean, straight cut at the marked point. Cutting anywhere else can damage the strip and prevent it from working.
4. Power Off Before Cutting: Always ensure the LED strip is not connected to a power source before cutting to avoid electric shock or damage.
5. Seal the Ends: If the cut end will be exposed to moisture or dust, seal it with silicone or use an end cap to protect the electronics.
6. Reconnect or Use Offcuts: If you need to reconnect the strips or use the offcuts, use appropriate connector clips or solder the copper pads together. Follow the polarity and ensure a secure connection

A further step-by-step guide on how to install LED strip lights.

What Is Cove Lighting?

Cove lighting refers to hidden LED lighting installed in ledges, ceilings, or shelves to create a soft, indirect glow.

LED tape lights (also known as LED strip lights) have become the preferred solution for cove lighting. They offer great flexibility, energy efficiency, and design versatility for both residential and commercial spaces.

It’s perfect for:

• Living rooms (warm ambiance)
• Bedrooms (relaxing atmosphere)
• Retail displays (highlighting products)
• Architectural accents (modern interiors)

Cove Lighting Installation Tips

1. Planning: Measure the cove’s length and width to determine how much tape light you need. Plan for the location of the power supply and any controls.
2. Placement: Install the tape light close to the facing edge of the cove, with LEDs pointing up or out to maximize indirect reflection and keep the strip hidden.
3. Cutting & Connecting: LED strips can be cut at marked intervals (often every 2–4 inches), and connectors or solderless clips are available for joining sections.
4. Power & Controls: Choose an appropriate power supply (driver) and consider adding dimmers or smart controllers for added functionality.
5. Surface Preparation: Ensure the mounting surface is clean and dry for best adhesion. Use aluminum channels or extrusions for a professional finish and better heat dissipation.
6. Testing: Test the lights before final installation to ensure connections and placement are correct

Outdoor Lighting: Swimming Pool Strip, Floodlights & Path Light

Outdoor lighting transforms your property into a safe, inviting, and visually stunning space. Whether you’re looking to enhance your swimming pool with decorative LED strips or brighten pathways and gardens with floodlights, choosing the right fixtures is key.

Swimming Pool LED Strip Lights

Strip lights for swimming pools are always applied to pool edges, steps, and waterfalls. They are also seen in some commercial places, like spas and fountains.

How to Choose Swimming Pool LED Strip Lights

• IP68 Waterproof Rating – Essential for underwater use.
• Silicone Coating – Protects against chlorine and UV damage.
• 12V or 24V Low-Voltage – Safer for poolside installation.
• Remote & Smart Control – Adjust colors and brightness via app or remote.

☞ Swimming pool strip lights installation guide

Floodlights

For broader outdoor lighting needs, floodlights deliver high-intensity illumination perfect for security purposes and architectural highlighting.

Pathway Lighting

Path lights serve the dual purpose of ensuring safe navigation through outdoor spaces while contributing to landscape aesthetics.

Top LED Light Manufacturers

For those seeking reliability, innovation, and tailored solutions, LEDIA Lighting stands out as a trusted partner.

LEDIA lighting boasts strict quality control, advanced manufacturing, and a proven track record in global projects, making LEDIA the ideal choice for anyone looking to illuminate their environment with style, efficiency, and confidence. Visit our website to discover how LEDIA lighting can transform your space and experience the difference of working with an industry leader

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