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You are here: Home / Employees / How Office Lighting Affects Productivity

Updated on November 15, 2022 by Andrew Jensen 26 Comments

How Office Lighting Affects Productivity

There are certain factors that everyone knows affect workplace productivity, but there is one important factor often overlooked by most employers across the globe: lighting. Sure, it’s common knowledge that reading in the dark can harm your eyes, but lighting has effects well beyond that, and an employer’s choice of lighting can have a significant impact on the productivity of her company.

Consider this: A study conducted by the American Society of Interior Design indicated that 68 percent of employees complain about the lighting situation in their offices. The fact that such a substantial number of employees disliked the lighting in their offices enough to complain about it implies that many employers could be making the same mistakes. The two most common scenarios for poor office lighting are lights that are too dim and lights that are too harsh.

The Drawbacks of Artificial Lighting

The first culprit, dim lights, can be detrimental to productivity for several reasons. First, dim lighting can cause eye strain and headaches, because, when lighting is inadequate, the eyes are forced to work much harder in order to see. Dim lighting can also result in drowsiness and lack of focus, which would obviously have a negative impact on employee motivation. The second culprit, harsh lighting, is much more common than dim lighting and is just as harmful. Florescent lighting, especially, has a number of negative effects on employees, as it has been known to cause eye strain, and it is also cited as a trigger for migraine headaches. This harsh lighting also makes it more difficult for the eye to focus, so alternatives should be sought whenever possible.

proper lighting in the officeNatural Lighting as a Superior Alternative

The best alternative to harsh lighting and dim lighting systems is natural light itself. In a study conducted in Britain and published in “The Responsible Workplace,” it was shown that windows were the number one determinant of the occupants’ level of satisfaction with a building. This effect is due to lighting’s ability to affect the human body in two ways: directly, in the form of affecting what and how well we are able to see, and indirectly, in the form of effects on our mood, behavior, and even hormonal balance. Natural lighting renovations have been shown to result in happier workers, less absenteeism, and fewer illnesses, and, because better lighting encourages satisfaction among workers, it also results in increased productivity.

But just how much of an impact does improved lighting really have on the productivity of workers?

Proper Lighting’s Effect on Productivity

According to some studies, the impact is substantial, and, although the initial cost of a lighting renovation could seem daunting, the gains due to energy savings and- more importantly- productivity gains more than make up for the cost of the investment. Take the following case study for example: In the late 1980s, the lighting systems in the U.S. post office in Reno, Nevada were renovated to make them more worker friendly. The upgrade resulted in energy savings of about $50,000 per year, but the real improvements came in the form of employee productivity. Mail sorters in the facility became the most productive sorters in the western half of the country, machine operators boasted the lowest error rates, and the financial impact of the productivity increase was expected to boost revenue by approximately $500,000 per year. And this wasn’t an isolated incident. Countless other companies across the country have also noted productivity increases as the result of lighting renovations.

With light being a key component of vision, and vision being responsible for 80 to 85 percent of our perception of the world around us, it’s not difficult to see why ignoring proper lighting strategies in your office could have a significant negative impact on productivity. Harsh lighting and dim lighting are equally detrimental to the productivity of your workers, and, by opting instead for more natural lighting or other lighting systems that have been proven effective, you stand to not only save energy but also increase productivity among your business’s employees.

Filed Under: Employees, Ergonomics, Increasing Profits, Promoted

About Andrew Jensen

Andrew Jensen, a business growth, efficiency & marketing consultant, provides business advisory services for clients in the Baltimore; Washington, D.C.; York, Hanover, Lancaster & Harrisburg, PA regions. Andrew advises regarding business growth, productivity, efficiency, business startups, customer service, and online/offline marketing.

Reader Interactions

Comments

  1. Peter says

    May 14, 2014 at 4:17 am

    I actually prefer fluorescent lighting than natural light. Somehow it just motivates me to work.

    Reply
  2. Nishadha says

    July 14, 2014 at 6:26 am

    Some very interesting points. In some cases, especially in large offices with huge floors natural light is simply not an option. And I guess no amount of technology can actually replicated the natural light setting.

    Reply
  3. Bryan Mangum says

    November 5, 2014 at 10:09 am

    My parents ran a medical transcription business from their home. They typed pychiatric and pychological medical records. The biggest thing they had in common…75% of them worked under DIM lighting at work. Hmmm…

    Reply
  4. James says

    May 17, 2015 at 3:35 pm

    Dim lighting being bad for your eyes is a big myth. It’s just not true. Dim lighting being bad for productivity however is another story.

    Florescent lights too are not necessarily bad. They don’t inherently cause headaches. Cheaper lights and cheaper ballasts can result in flicker; imperceptible to most people but can lead to headaches. The same is true for LEDs. Most high quality LED and florescent lamps have minimal to no flicker. There are people online (especially on YouTube) who test various bulbs for flicker so you can do research before purchasing.

    Reply
    • Amanda says

      July 3, 2016 at 6:31 pm

      Hi James,

      You are completely wrong. I am now sitting in a dim environment and it gives me eye strain everyday. At the end of every week I have a headache and I am sure it affects my mood. Fluroscent lighting also does cause headaches and eye strain for me. It reflects on the surfaces around it and the light bounces into my eyes causing headaches. LED lights can give me headaches in minutes especially from new phones and I pads. Not everyone is the same, everyone is different – and I find that my eyes are a lot more comfortable in natural light and away from artificial sources.

      Reply
    • Frankie says

      June 15, 2019 at 3:51 pm

      That is true Amanda. There is an employee in our huge office floor that has made a huge fuss about getting our office lights dimmed down due to migraines. They have complied, and now there are several employees that are now complaining about eye strain and fatigue due to the low lights. I am one of them. Ever since the dimming of the lights, I have noticed a significant increase in my eyestrain, and a decrease in my energy and decrease in overall energy at work. So much that I am now looking for employment with better lighting.

      Reply
      • Bill Ali says

        May 9, 2022 at 12:49 am

        Turn your monitor to a dimmer setting to compensate.

        Reply
  5. Phil Foster says

    June 16, 2015 at 5:36 am

    Thanks for this Andrew. Not many people are aware of the multiple benefits of natural lighting in an office environment, both on productivity as you’ve pointed out above and also in terms of energy efficiency. Offices are now moving towards sensored lighting, as this is a cost that now makes up 40% of a building’s overall energy usage, so the more businesses can make use of natural light, the better for their bottom line. We’ve expended on this with examples from real businesses in our summer energy bills post here: https://www.loveenergysavings.com/blog/2015/june/5-tips-to-lower-your-summer-business-energy-bills/

    Reply
  6. Alain says

    May 20, 2016 at 6:25 am

    Some great advice here about using the best lighting for the office environment. Since almost half of the UK’s energy is derived from where we work & learn, it’s becoming more crucial for businesses to look at saving their energy costs. Proper lighting for an office environment is key to increasing productivity, boosting morale and saving costs. We’ve covered this as part of our top 10 tips for saving energy at work here: https://www.exchangeutility.co.uk/top-10-tips-on-how-to-save-energy-at-work/

    Reply
  7. AJAY RAMAKRISHNAN says

    July 11, 2016 at 1:55 pm

    Lighting is important – period. Till we develop bat vision, we will need light. Different individuals need different conditions. Maybe we could create “zones” of different light conditions and allow employees flexible work stations so that they can each find their place in the “SUN”…..or away from it…as per their choice.

    Reply
  8. Allison says

    August 2, 2016 at 9:03 am

    I never really bothered about lighting until last year, when I realized how much my productivity at work had lowered during the months I spent working in my new office. While trying to figure out the reason I just bumped into this artcle, which really represented a turning point in my life! So I’m now posting this comment mainly to thank you Andrew for having opened my eyes on this topic, but also to show you an interesting Kickstarter campaign that I recently found and that may change our office environments for better

    Reply
    • Alba says

      December 13, 2016 at 11:00 am

      Allison, I would like to know more about the campaign you recently start. How may I contact you?

      Reply
  9. Brad Smith says

    June 5, 2017 at 1:25 pm

    I noticed that no one has mentioned LED lighting. Isn’t that the closest thing you can get to natural lighting short of adding more windows??

    Reply
  10. Carlos says

    June 20, 2017 at 6:59 am

    Why would i increase strain in my eyes with light bulbs if the monitor already have enough lightning. Lightning is known to cause eye strain, is not printed paper people, in fact there are software to increase screen temperature and make it more subtle so that it can decrease eye strain.

    Reply
  11. Austin Riley says

    March 4, 2018 at 9:03 pm

    I cannot find any study by the American Society of Interior Design that says 68 percent of employees are unhappy with their lighting. I’ve been looking for about 2 hours now. All I can find is other 3rd parties saying the same statistic but no one linking to such a study. I’ve even read through all the studies the ASID posted on their website in 2017, none of them mention that statistic. One of the studies (ASID WELL Survey Post-certification Report 17116 FINAL) was about their transition to a new office in Washington DC and they surveyed their own employees. That study showed 47% of their employees were dissatisfied with the lighting in their old office. However this magical “68%” stat I couldn’t find. Would love a link if you have one.

    Reply
    • Andrew Jensen says

      March 15, 2018 at 7:53 am

      Austin – The article mentioned in this blog post, which was written by one of my staff several years ago, refers to a white paper that was at one point in time available behind a paywall.

      Reply
      • Garland King says

        June 21, 2018 at 10:05 am

        What is the name of the article or link to the paywall so we can attempt to purchase access?

        Reply
  12. Melissa says

    April 30, 2018 at 6:58 pm

    How can I get this article emailed to me so that I can send it to my employer who keeps all the blinds closed keeping out all natural light from coming in?

    Reply
  13. Ted says

    September 18, 2018 at 10:22 am

    I found that you can turn harsh fluorescent light into natural light IF you can balance the color spectrum and remove the glare. The only thing that works, IMO, are the fluorescent light filters like https://www.makegreatlight.com

    Do not dim the light (hard to do with fluorescent anyways) you need a good level of light for your eyes to work effectively. Lowering the lighting too much and you are risking eyestrain.

    Reply
  14. Stephen Morgan says

    November 18, 2018 at 3:24 am

    Hello Andrew Jensen,
    Thanks for your informative post. Such a lucrative post you share that gives a pleasure. To decor the office this is the perfect guideline. The lightening in the office floor that effects the office beauty?

    Reply
  15. Konrad Jarausch says

    November 29, 2018 at 9:49 am

    Thanks for raising the awareness of how light, health and productivity are related! We evolved with natural light, our bodies expect bright/stimulating natural light during the day. Unfortunately the artificial light in most offices falls woefully short of providing either the quantity or quality of natural light. After spending many years working in windowless offices/cubicles, I’ve worked with lighting experts and scientists to develop lamps which brings the benefits of natural light to your desk, check out: https://www.sunlightinside.com/product/mysun/ … These lamps provide stunning flicker-free natural light, which automatically changes with the time of day and time of year just like natural light — now you don’t have to settle for artificial light!

    Reply
  16. David Johnson says

    August 28, 2019 at 6:57 pm

    I found it really surprising that sixty-eight percent of employees complain about lighting in offices. My boss is looking at building a new office building and we want to make sure we have the best lighting possible. I’ll have to look into electrical design services.

    Reply
  17. Dai So says

    August 21, 2020 at 1:35 am

    Your blog was absolutely fantastic! Large amount of great information which is often attractive some and the other way. Thanks.

    Reply
  18. Access D says

    December 29, 2020 at 7:30 am

    Lighting, believe it or not, can have a significant impact on one’s concentration and productivity, especially those of office workers. Keep up the great work! Thank you so much for sharing great posts.

    Reply
  19. BOBBIE BODENMAN says

    February 22, 2021 at 9:59 am

    I want regular GE incandecent lighting back! It’s more soothing. These LED lights hurt my eyes and the home environment. I might just go back to candles. I don’t like this attack on my home environment! It’s a sanctuary and I am not ok with LED, fluorescent dim or bright inflicting it’s nasty fake rays. I will add skylights rather and work while the sun is up and read by BEAUTIFUL candlelight when the sun goes down. THESE LED (or any other FAKE light) BULBS ARE NOT HEALTHY!

    Reply
  20. Tom Melhuish says

    July 6, 2022 at 8:35 am

    Hi Andrew,

    It’s an interesting topic, here at AquaSwitch we prefer natural light as it allows for more productivity as opposed to that of artificial lamps and lights,

    Cheers,
    Tom

    Reply

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Contact Andrew Jensen, a business growth, efficiency & marketing consultant, to learn how he can help strengthen your business or nonprofit organization.

Andrew provides business consulting services on-site, by phone & by email for companies nationwide.

Andrew advises regarding business growth, productivity, efficiency, business startups, customer service, and marketing (both offline & online).

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