--- title: Regency Insights Blog | Expertise and Education in Commercial Lighting | Commercial Office description: Commercial Office | The Regency Insights Blog is managed by Regency Supply, a commercial lighting and electrical distributor with distribution centers across the United States. --- - [Corporate](https://www.regencysupply.com/) - [Shop](https://shop.regencysupply.com/) - [Studio](https://rl.studio/) [Login/Signup](https://shop.regencysupply.com/b2b/portal/login/) [![Regency Supply Logo](https://regencysupply.com/wp-content/uploads/rs-logo-r-2.svg)](https://regencysupply.com/) Menu - [Search Site](https://www.regencysupply.com/searching/) - [Shop Products](https://shop.regencysupply.com/) - [Services](https://www.regencysupply.com/services/) - [Architectural Lighting Design](https://www.regencysupply.com/services/architectural-lighting-design/) - [Lighting Supply](https://www.regencysupply.com/services/lighting-supply/) - [Electrical Supply](https://www.regencysupply.com/services/electrical-supply/) - 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[Store Login](https://shop.regencysupply.com/) ### REGENCY INSIGHTS BLOG Trusted advice for lighting, electrical, and more. #### Articles about Commercial Office [How to pick the best LED downlight July 21, 2023 at 8:55 AM](https://insights.regencysupply.com/how-to-pick-the-best-led-downlight) [Plug-and-play vs. ballast-bypass and other linear LED solutions June 22, 2023 at 3:00 PM](https://insights.regencysupply.com/plug-and-play-or-ballast-bypass-linear-led) [Edge-lit versus back-lit LED flat panels January 13, 2023 at 11:45 AM](https://insights.regencysupply.com/edge-lit-versus-back-lit-led-flat-panels) [Germicidal UV use by industry \[During and after COVID-19\] September 16, 2020 at 1:56 PM](https://insights.regencysupply.com/germicidal-uv-by-industry-covid-19) [Where to buy a plug-and-play T12 LED August 3, 2020 at 11:04 AM](https://insights.regencysupply.com/where-to-buy-a-plug-and-play-t12-led) [3 steps to retrofit from T12 to LED July 29, 2020 at 9:53 AM](https://insights.regencysupply.com/here-are-your-led-replacement-options-for-t12-fluorescents) [How to complete a lighting retrofit for commercial offices March 25, 2020 at 8:48 AM](https://insights.regencysupply.com/how-to-complete-a-lighting-retrofit-for-commercial-offices) [How a proactive approach can alleviate common commercial lighting maintenance headaches March 2, 2020 at 9:00 AM](https://insights.regencysupply.com/how-a-proactive-approach-can-alleviate-common-lighting-maintenance-headaches) [The phase out of T12s: Everything you need to know about discontinued tubes December 23, 2019 at 11:00 AM](https://insights.regencysupply.com/the-phase-out-of-t12s-everything-you-need-to-know-about-discontinued-tubes) [4 energy-saving strategies for commercial offices November 19, 2019 at 8:59 AM](https://insights.regencysupply.com/4-energy-saving-strategies-for-commercial-offices) [Plug-and-play LED bulb vs. LED fixture: Pros and cons for your next project October 21, 2019 at 11:15 AM](https://insights.regencysupply.com/led-lamp-replacement-vs-led-fixture-which-is-the-best-choice) [Fluorescent tubes: A brief overview of the different lamp types and sizes September 20, 2019 at 1:41 PM](https://insights.regencysupply.com/fluorescent-tubes-sizes-types) [What to do if your T12 magnetic ballast goes bad July 19, 2019 at 10:00 AM](https://insights.regencysupply.com/what-to-do-if-your-t12-magnetic-ballast-goes-bad) [Does bypassing the ballast with an LED tube void the UL rating on a fixture? July 17, 2019 at 3:00 PM](https://insights.regencysupply.com/does-bypassing-the-ballast-with-an-led-tube-void-the-ul-rating-on-a-fixture) [Common light bulbs and LED upgrades for parking garages November 26, 2018 at 1:47 PM](https://insights.regencysupply.com/common-light-bulbs-and-led-upgrades-for-parking-garages) [Common light bulbs and LED upgrades for commercial offices November 14, 2018 at 1:37 PM](https://insights.regencysupply.com/common-light-bulbs-and-led-upgrades-for-commercial-offices) [Answering your questions on energy savings \[Ask the expert series\] April 3, 2018 at 11:48 AM](https://insights.regencysupply.com/answering-your-questions-on-energy-savings-ask-the-expert-series) [5 ways to sell a lighting retrofit to your boss December 7, 2017 at 8:55 AM](https://insights.regencysupply.com/5-ways-to-sell-a-lighting-retrofit-to-your-boss) [Here are some lumen per watt (LPW) targets for common LEDs October 23, 2017 at 2:15 PM](https://insights.regencysupply.com/lpw-targets-for-led-lamp-types) [Where are the best places for LED tubes in commercial offices? September 6, 2017 at 10:30 AM](https://insights.regencysupply.com/where-are-the-best-places-for-linear-led-in-commercial-offices) [What is the average lead time for a lighting order? August 23, 2017 at 12:25 PM](https://insights.regencysupply.com/how-long-will-it-take-to-get-my-lighting-order) [Deciding between fluorescent and LED tubes? Check out our Linear Lighting Playbook for insider advice August 9, 2017 at 12:46 PM](https://insights.regencysupply.com/deciding-between-fluorescent-and-led-tubes-check-out-our-linear-lighting-playbook-for-insider-advice) [How to calculate HVAC energy savings from lighting: A step-by-step guide July 5, 2017 at 9:20 AM](https://insights.regencysupply.com/how-to-calculate-hvac-energy-savings-from-lighting-step-by-step-guide) [Five questions to ask if you're considering LED lighting for your commercial office June 9, 2017 at 5:25 PM](https://insights.regencysupply.com/when-should-i-consider-linear-led-for-my-commercial-office) [How to calculate labor savings from a lighting retrofit: A step-by-step guide March 6, 2017 at 5:05 AM](https://insights.regencysupply.com/how-to-calculate-labor-savings-from-long-life-lighting-step-by-step-guide) [9 tips for retrofitting your parking lot lighting to LED February 7, 2017 at 6:02 AM](https://insights.regencysupply.com/9-tips-for-retrofitting-your-parking-lot-lighting-to-led) [How to use Regency's lighting calculator: Calculating energy savings from a lighting retrofit January 13, 2017 at 3:15 PM](https://insights.regencysupply.com/how-to-use-regencys-lighting-calculator-calculating-energy-savings-from-a-lighting-retrofit) [How one Dallas parking garage increased light levels and achieved 14-month payback while using 500 fewer fixtures in LED retrofit October 31, 2016 at 5:00 PM](https://insights.regencysupply.com/how-one-dallas-parking-garage-increased-light-levels-and-achieved-14-month-payback-while-using-500-fewer-fixtures-in-led-retrofit) [The difference between kW and kWh in lighting retrofits \[calculator\] September 29, 2016 at 4:10 PM](https://insights.regencysupply.com/difference-between-kw-kwh-lighting) [Linear LED tube vs. LED fixture: How do I decide which product is right? June 7, 2016 at 11:10 AM](https://insights.regencysupply.com/linear-led-tube-vs.-led-fixture-how-do-i-decide-which-product-is-right) [How to convert fluorescent tubes to LED \[Top replacement options\] May 24, 2016 at 10:30 AM](https://insights.regencysupply.com/factors-to-consider-before-you-look-for-a-linear-fluorescent-retrofit) [LED lighting advantages for businesses January 12, 2016 at 12:00 PM](https://insights.regencysupply.com/led-lighting-advantages-for-businesses) HQ 9261 Jordan Avenue Chatsworth, CA 91311 **Phone:** [+1-800-284-2024](tel:+18002842024) **[Send us a message.](http://www.regencysupply.com/contact-us/contact-us/)** **[Find a location.](https://www.regencysupply.com/contact-us/#RS-locations)** Family owned and operated since 1983 [![](https://www.regencysupply.com/wp-content/uploads/rs-main-badge-w.svg)](https://insights.regencysupply.com/newname) What's the story with our rebrand? [Learn more.](https://www.regencysupply.com/newname) [![RSS](https://www.regencysupply.com/wp-includes/images/rss.png)](https://insights.regencysupply.com/rss.xml) [Lighting Insights](https://insights.regencysupply.com/) - [4 reasons lighting causes developers' schedules to fall behind on construction projects](https://insights.regencysupply.com/4-reasons-lighting-causes-developers-schedules-to-fall-behind-on-construction-projects) Aug 1, 2022 - [What is DLC v5.1 and how does it impact my lighting purchase?](https://insights.regencysupply.com/what-is-dlc-5.1) Jul 26, 2022 - [Trends in pricing and quality in LED lighting](https://insights.regencysupply.com/trends-in-pricing-and-quality-in-led-lighting) Jul 19, 2022 - [California's light bulb ban](https://insights.regencysupply.com/california-light-bulb-ban) Jul 13, 2022 - [Is there an incandescent light bulb ban?](https://insights.regencysupply.com/was-there-actually-an-incandescent-light-bulb-ban) Jul 11, 2022 - [A state by state look at light bulb bans \[Interactive map\]](https://insights.regencysupply.com/state-light-bulb-bans) Jul 6, 2022 #### Looking for products? 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