Downlight Buyers Guide: 7 Things You Need to Know

July 24, 2024

Definitions

Downlight or recessed light – A type of light fixture that is installed in a recessed cavity in the ceiling.

Ceiling fixture – A type of light fixture that is mounted on the ceiling.

Recessed hole – A hole that is cut into the ceiling, typically for the purpose of installing a downlight.

Dimmable – A feature of some lighting fixtures that allows them to be adjusted to produce different levels of light output.

Lumens – A measure of the amount of light that is emitted by a light source.

LED – A type of lighting technology that uses semiconductor devices to generate light. LED lights are more energy-efficient and have a longer lifespan than traditional incandescent bulbs.

CRI – A measure of a light source’s ability to render colors accurately. The higher the CRI, the better the light source is at rendering colors.

CCT – A measure of the color temperature of a light source. The higher the CRI, the cooler the light source is.

Wattage – A measure of the power consumption of a light source. The higher the wattage, the more power the light source consumes.

Voltage – The measure of the force that drives an electric current.

Downlight power

The power consumption of a downlight is measured in watts (W). The more watts a downlight uses, the more power it consumes. The power consumption of a downlight is affected by the type of light bulb used, the number of bulbs used, and the voltage of the electrical system.

The light output of a downlight is measured in lumens (lm). The more lumens a downlight produces, the brighter it is. The light output of a downlight is affected by the type of light bulb used, the number of bulbs used, the wattage of the light bulbs used, and the reflectivity of the surfaces around the downlight.

LED Downlight Output

WattageLumensApplication Scenarios
2-3 watts110-240Lower watt downlights are often used for vehicle ceilings. They can be also in a limited space, where significant lighting fixture is not required.
4-5 watts240-400Are used in damp locations. Can be used for different purposes and locations, including corridors, rooms, and halls.
6-7 watts300-500Mostly used for general lighting and are great for residential lighting
8-9 watts330-740Can be used in living rooms, shops, bedrooms, offices for general lighting purposes. These wattages are the most popular.
10-13 watts850-1250Are often used for commercial lighting. Are perfect for patios, barns, etc. however can also be used for general lighting in some situations.
13-25+ watts1250+Are perfect for properties with a high-ceiling. Can be used in hospitals, classrooms, warehouses, and for task lighting.

Common downlights lumen ranges

The amount of light output required from a downlight depends on the purpose for which the downlight will be used.

300-700 Lumens – are great for general lighting in a room.

800-1200 Lumens – are better for task lighting, such as in a kitchen or bathroom.

1200-1600 Lumens – can be used for accent lighting, such as highlighting artwork or architecture.

1700 Lumens and up – are best for outdoor use, such as in a porch or garage.

The common color temperature of downlights

The color temperature of a light source is measured in Kelvin (K). The higher the Kelvin, the cooler the light source is.

2700K – is a warm white color temperature, and is often used in living rooms and bedrooms.

3000K – is a cool white color temperature, and is often used in kitchens and bathrooms.

4000K – is a daylight color temperature, and is often used in offices and task-oriented rooms.

5000K and up – is a super daylight or blueish color temperature, and is often used in outdoor lighting.

Introduction of downlight application scenarios

The installation of downlights can be a bit tricky and time-consuming, but the results are definitely worth it in the end. Here are some tips on where to install downlights and how many you’ll need.

Living room:

The living room is often the largest and most used space in the house, so it’s important to get the lighting right. Downlights are a great way to add ambient lighting to a room and can be installed around the perimeter of the room. For a more dramatic look, you can also install downlights in clusters of three or more.

Kitchen:

Downlights are also a great choice for the kitchen. They can be used to provide task lighting over the countertops and stove, and can also be installed under cabinets to provide accent lighting.

Bathroom:

Bathrooms are another room where downlights can be used to great effect. They can provide task lighting for the mirror and sink area, and can also be installed in the shower or bathtub area to provide accent lighting.

Bedroom:

Downlights can be used in the bedroom to provide ambient lighting or can be installed in clusters to provide accent lighting. They can also be used to light up a reading nook or sitting area.

Office:

Downlights are a great choice for the office, as they can provide task lighting for desks and work areas. They can also be used to highlight artwork or architectural features.

Outdoor:

Downlights can also be used outdoors to provide accent lighting for landscaping or to light up a patio or deck area. They can also be used to light up a driveway or walkway.

How many downlights do I need?

The number of downlights you’ll need will depend on the size of the room and the purpose for which the downlights will be used.

For a small room, such as a bathroom or bedroom, you’ll need two to four downlights.

For a medium-sized room, such as a living room or kitchen, you’ll need four to eight downlights.

For a large room, such as an office or outdoor space, you’ll need eight or more downlights.

Introduction of downlight models

There are a variety of downlight models available on the market, so it’s important to choose the one that best fits your needs.

Recessed downlights:

Recessed downlights are the most popular type of downlight, as they’re easy to install and provide a clean, finished look. Recessed downlights are available in a variety of sizes, styles, and finishes.

Surface-mounted downlights:

Surface-mounted downlights are also easy to install and are a good choice for rooms with lower ceilings. Surface-mounted downlights are available in a variety of styles and finishes.

Pendant downlights:

Pendant downlights are a good choice for rooms with higher ceilings, as they provide a more dramatic look. Pendant downlights are available in a variety of styles and finishes.

Track lighting:

Track lighting is a good choice for rooms with high ceilings, as it allows you to adjust the direction of the light. Track lighting is available in a variety of styles and finishes.

Installation

Now that you’ve chosen the perfect downlight for your space, it’s time to install them. Here are some tips to help you get the best results.

  1. Read the instructions carefully before you begin.
  2. Make sure you have all the tools and materials you need before you start.
  3. It’s important to wear safety goggles when working with power tools.
  4. Follow the manufacturer’s instructions for the proper way to install the downlights.
  5. When installing downlights, be careful not to damage the ceiling.
  6. Make sure the downlights are properly wired before you turn on the power.
  7. Test the downlights to make sure they’re working properly.
  8. If you have any questions or concerns, consult a professional electrician.

Source

Related Articles


Changing Scene

  • Luminis Wins Red Dot Award for Pelican Line

    Luminis Wins 2025 Red Dot Award for Pelican Line

    Luminis, an established innovator and manufacturer of specification-grade, interior and exterior lighting solutions, has announced its Pelican family has received a Red Dot Design Award for Product Design. Dating back to 1955, the Red Dot Design Award is one of the world’s largest design competitions. Every year, the Red Dot Award: Product Design sets out… Read More…

  • May 19, 2025 - Contact Delage Announces New Representation Agreement with K-Array

    Contact Delage Announces New Representation Agreement with K-Array

    Contact Delage is pleased to announce their partnership with K-Array for the representation of their ultra-compact and powerful audio and integrated lighting solutions in the Quebec Province. Founded in Florence in 1990, K-Array is a true pioneer in high-performance compact sound. Their vision? To deliver uncompromising professional sound quality with a discreet and refined aesthetic.… Read More…


Design

  • Illuminate Your Project with Modern LED Panels

    Illuminate Your Project with Modern LED Panels

    Lighting plays a crucial role is shaping the ambiance and functionality of any space. At Zaneen, their modern LED Panel collection delivers high-quality lighting solutions with sleek designs, energy efficiency, and customizable options to meet diverse project needs. From trim designs like Harmony Elipse and Harmony Square to frameless panes like Infinite Honeycomb and Infinite Ring, to modular marvels like Infinite Canvas and… Read More…

  • T5 vs. T8 Lights – What’s the Difference?

    T5 vs. T8 Lights – What’s the Difference?

    T5 and T8 lights are two popular options when it comes to creating the right ambiance and lighting in a house, business, or commercial setting. But were you confused about these two light tubes when talking with suppliers? Don’t worry! In this article let’s discuss T5 vs. T8 tubes thoughtfully, so that you can make the right… Read More…


New Products

  • ABB Emergi-Lite: New ESAU Series Surface-Mount Architectural Battery Unit

    ABB Emergi-Lite: New ESAU Series Surface-Mount Architectural Battery Unit

    The ESAU Series surface-mount architectural unit is designed specifically for installations requiring a junction box, whether recessed, surface-mounted, or suspended. Engineered for easy installation, it combines performance with simplicity and style, making it a smart choice for commercial and architectural environments. Unlike equipment with adjustable lights, the ESAU Series makes the installation faster and prevents errors leading to… Read More…

  • RENO Lighting: CINEMA Series – Up & Down Semi-Circle Wall Pack R1

    RENO Lighting: CINEMA Series – Up & Down Semi-Circle Wall Pack R1

    The Cinema Series Semi-Circle Wall Pack R1 is designed to be a statement piece that transforms your outdoor space with cinematic charm. With its sleek, curved design and energy-efficient brilliance, it creates a soft, ambient glow that brings sophistication and style to every moment. Down light only option is designed to emit light downwards only… Read More…