--- title: Regency Insights Blog | Expertise and Education in Commercial Lighting | Chris Radosta description: Chris Radosta is the Director of Regional Sales at Regency Lighting. Chris uses his experience in Maintenance Services and Retrofit Services to ensure that Regency’s customers receive excellent service and are set up for success. --- - [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 by Chris Radosta [How to calculate HVAC energy savings from lighting: A step-by-step guide](https://insights.regencysupply.com/how-to-calculate-hvac-energy-savings-from-lighting-step-by-step-guide) [Why do lighting projects fall behind schedule? 4 obstacles to avoid](https://insights.regencysupply.com/why-do-lighting-projects-fall-behind-schdeule) [How to calculate return on investment (ROI) and payback for your lighting project](https://insights.regencysupply.com/dollars-and-sense-how-to-calculate-return-on-investment-roi-and-payback-for-your-lighting-project) [How to calculate material savings from long-life lighting: A step-by-step guide](https://insights.regencysupply.com/how-to-calculate-material-savings-from-long-life-lighting-step-by-step-guide) [How to calculate energy savings for lighting only: A step-by-step guide](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](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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