So, you’re ready to revamp your commercial light fixtures to something a little more energy-efficient. No worries, you have come to the right place. In this blog we will discuss the factors to consider when purchasing light fixtures for your facility.
Often times, we can make huge mistakes in choosing replacement light bulbs and fixtures, especially for upgrades and renovations. Having the proper lighting levels in your commercial space can help ensure safety, comfort, and can maximize the level of productivity.
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It is important to know the ceiling height of the space you will be installing new light fixtures, so that you can choose the right beam angle and level of brightness. Beam angle is the angle that the light beam spreads across the floor. Lumens refer to how bright a light bulb appears in reference to its light output, or brightness.
Higher lumens indicate a higher level of brightness, and should be used in higher ceilings. While the lower the lumen, the lower the ceiling will have to be to illuminate the space. Understanding your ceiling height and appropriate beam angle can ensure that you never have a very dim or overly lit space.
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There are a lot of different types of ceilings that should be treated differently, when choosing light fixtures. Recessed ceilings, for example, may require suspended cables. Concrete ceilings need surface mounts to install LED panels and LED troffers. Recessed ceilings, however, tend to need special lighting systems, like downlights. These lights are ideal for architectural and commercial applications.
Ask yourself, what purpose will the lamp fulfill? Let’s say you are converting an old auto car shop into an office space! The same lighting needed to work on cars will not be the same light fixtures used to house occupants.
There are many different functions of lighting depending on the space. When choosing a light bulb, you must determine whether you are lighting for general comfort, task-oriented lighting, or providing accent lighting.
It is also important to understand the level of brightness required for the specific space. For example, if a 100 square foot room needs around 40 foot candles of light and comes with a 12-ft ceiling, it needs about 4,355 lumens. A room of the same size but which has a 20-ft ceiling needs 4,748 lumens.
Always make sure to consider your ceiling height when choosing your lightbulb.
It is also important to understand beam angle, or the path of the light display. Narrow beam angles are great for high ceilings that require a directed high level of brightness. Narrow beam angles provide a higher quality of brightness at a higher height.
Wider beam angles, on the other hand, are great for lower ceilings. They don’t offer the same level of brightness as narrow beam angles because their light beam is spread wider across the floor.
When choosing a new light fixture for your space, you must ask yourself, what ambient effect am I trying to achieve? A light bulb’s color temperature refers to how warm or cool the light appears. A light’s CRI, or color rendering index, refers to how well a light shows a product’s true color. This means that the same apple in the grocery store could look four different ways depending on the CRI of the bulb.
Once you have calculated the square footage of your commercial space, the next step is to figure out the level of brightness you would like to achieve per square foot, also known as light intensity. Ask yourself how bright do I want this space to be? For example, a retail shop selling clothing may have a total square footage of 1,800 square feet, and may want to achieve a level of brightness of about 30 lumens per square feet.
In order to determine the total lumens needed, simply multiply 1,800 sq. ft. by 30 lumens. The total lumens required to light an 1,800-square foot retail store at 30 lumens per square feet, will require 54,000 lumens of light.
Once you have calculated your ceiling height, square footage, and figured out how bright you would like your space, now you can start searching for light bulbs. Let’s say some new LED tubes have a brightness of 1,500 lumens each, and you know your space will need at least 54,000 lumens of light.
Simply divide 54,000 by 1,500 lumens. This gives you 36, which means you will need 36 tubes to light your space evenly at the level of brightness you wish to achieve.
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Many retail stores use spot lighting as a way to draw attention to certain merchandise. When purchasing light bulbs, consider purchasing lights with a higher lumen and a narrow beam angle for the perfect spot light.
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