--- title: Regency Insights Blog | Expertise and Education in Commercial Lighting | Energy Savings description: Energy Savings | 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/) - [Construction Services](https://www.regencysupply.com/services/construction-supplier/) - [Lighting Retrofits](https://www.regencysupply.com/services/lighting-retrofits/) - [Lighting Maintenance](https://www.regencysupply.com/services/maintenance/) - [Product Lines](https://www.regencysupply.com/lighting-solutions-and-services/product-lines/) - [Client Success Stories](https://www.regencysupply.com/lighting-solutions-and-services/client-success-stories/) - [Resources](https://www.regencysupply.com/lighting-resources/) - [About Us](https://www.regencysupply.com/about-regency-lighting/) - [Leadership](https://www.regencysupply.com/about-regency-lighting/leadership-team/) - [Evan Regenstreif](https://www.regencysupply.com/about-regency-lighting/leadership-team/evan-regenstreif/) - [Isaac Regenstreif](https://www.regencysupply.com/about-regency-lighting/leadership-team/isaac-regenstreif/) - [Judah Regenstreif](https://www.regencysupply.com/about-regency-lighting/leadership-team/judah-regenstreif/) - [Scott Anderson](https://www.regencysupply.com/about-regency-lighting/leadership-team/scott-anderson/) - [Hoon Kim](https://www.regencysupply.com/about-regency-lighting/leadership-team/hoon-kim/) - [Ron Regenstreif](https://www.regencysupply.com/about-regency-lighting/leadership-team/ron-regenstreif/) - [Mike Goldstone](https://www.regencysupply.com/about-regency-lighting/leadership-team/mike-goldstone/) - [Careers](https://www.regencysupply.com/about-regency-lighting/careers/) - [Regency Supply News](https://news.regencysupply.com/) - [Event And Social Photos](https://www.regencysupply.com/about-regency-lighting/event-and-social-photos/) - [Contact Us](https://www.regencysupply.com/contact-us/) - [Credit Application](https://www.regencysupply.com/contact-us/credit-application-for-lighting-services/) - [Apply For Tax Exemption](https://app.certcapture.com/logins/login) - [Office Locations](https://www.regencysupply.com/contact-us/#rl-locations) - [Search](https://www.regencysupply.com/searching/) - [Store Login](https://shop.regencysupply.com/) ### REGENCY INSIGHTS BLOG Trusted advice for lighting, electrical, and more. #### Articles about Energy Savings [Why a mockup could save your next LED upgrade project August 7, 2023 at 12:00 PM](https://insights.regencysupply.com/why-a-mockup-could-change-your-mind-about-leds) [What is Dark Sky and how does it impact lighting? June 19, 2023 at 10:48 AM](https://insights.regencysupply.com/what-is-dark-sky-and-how-does-it-impact-lighting) [Good news for LED lighting upgrades: What EPAct 179D really means September 6, 2022 at 9:21 AM](https://insights.regencysupply.com/lighting-retrofits-what-epact-179d-really-means) [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) [Steps to retrofit hotel lighting January 27, 2020 at 12:44 PM](https://insights.regencysupply.com/lighting-retrofit-hotels) [Answering your questions on lighting rebates \[Ask the expert series\] January 16, 2020 at 4:45 PM](https://insights.regencysupply.com/answering-your-questions-on-lighting-rebates-ask-the-expert-series) [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) [The best areas for lighting rebates \[Map\] December 10, 2019 at 10:45 AM](https://insights.regencysupply.com/best-areas-for-lighting-rebates) [What is fluorescent lighting? November 26, 2019 at 2:11 PM](https://insights.regencysupply.com/what-is-fluorescent-lighting) [5 strategies to save energy for multifamily buildings November 4, 2019 at 9:45 AM](https://insights.regencysupply.com/5-strategies-to-save-energy-on-multifamily-buildings) [4 ways to reduce energy costs at healthcare facilities October 10, 2019 at 2:15 PM](https://insights.regencysupply.com/reduce-energy-costs-healthcare-facilities) [Why you shouldn't use those fluorescent tubes before upgrading to LED \[Calculator\] October 4, 2019 at 2:40 PM](https://insights.regencysupply.com/why-you-shouldnt-use-those-fluorescent-tubes-before-you-convert-to-led-calculator) [4 ways hotels can save on energy costs October 2, 2019 at 3:23 PM](https://insights.regencysupply.com/hotels-energy-costs-lighting) [NYC Energy Conservation Code: Lighting requirements to meet by 2025 August 16, 2019 at 10:15 AM](https://insights.regencysupply.com/nyc-energy-conservation-code-2025-lighting-standards) [Here are 4 hot LED lighting rebate programs that could jumpstart your next retrofit August 30, 2017 at 3:10 PM](https://insights.regencysupply.com/a-glance-at-some-of-the-best-lighting-rebates-in-the-country-right-now) [What's the difference between line voltage and low voltage (12v or 24v) lighting? July 14, 2017 at 10:00 AM](https://insights.regencysupply.com/what-is-the-difference-between-line-voltage-and-low-voltage-12v-or-24v-lighting) [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) [What is the cost of waiting to retrofit to LED? April 6, 2017 at 6:05 AM](https://insights.regencysupply.com/what-is-the-cost-of-waiting-to-retrofit-to-led) [HID to LED lighting retrofit in Bay Area parking garage yields 'night and day' difference February 18, 2017 at 10:15 AM](https://insights.regencysupply.com/hid-to-led-lighting-retrofit-in-bay-area-parking-garage-yields-night-and-day-difference) [Top resources for calculating energy savings and finding lighting rebates October 3, 2016 at 11:53 AM](https://insights.regencysupply.com/top-resources-for-calculating-energy-savings-and-finding-lighting-rebates) [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) [How does ballast factor affect energy savings calculations in lighting? September 1, 2016 at 3:05 PM](https://insights.regencysupply.com/how-does-ballast-factor-affect-energy-savings-calculations-in-lighting) [The pros and cons of the three most common types of lighting rebate programs July 14, 2016 at 1:30 PM](https://insights.regencysupply.com/the-pros-and-cons-of-the-three-most-common-types-of-lighting-rebate-programs) [Linear LED vs. linear fluorescent: A look at the pros and cons of different linear tubes May 31, 2016 at 10:00 AM](https://insights.regencysupply.com/linear-led-vs.-linear-fluorescent-a-look-at-the-pros-and-cons-of-different-linear-tubes) [How much does lighting cost? Understanding the Total Cost of Lighting May 26, 2016 at 8:55 AM](https://insights.regencysupply.com/how-much-does-lighting-cost-understanding-the-total-cost-of-lighting) [How to calculate energy savings for lighting only: A step-by-step guide October 20, 2015 at 10:30 AM](https://insights.regencysupply.com/how-to-calculate-energy-savings-for-lighting-only-step-by-step-guide) [Show your work: The plain truth behind lighting retrofit savings October 13, 2015 at 3:00 PM](https://insights.regencysupply.com/show-your-work-the-plain-truth-behind-lighting-retrofit-savings) 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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