\u003c/strong>Ionel Petrus is a licensed professional engineer who has more than 13 years of mechanical design experience. In addition to being the mechanical discipline leader in SmithGroup’s Washington, D.C., office, he is also a LEED AP and a certified energy manager. His experience includes designing HVAC systems for commercial buildings, research laboratories, health care facilities, and museums. He can be contacted at \u003ca href=\"mailto:ionel.petrus@smithgroup.com?Subject=ES%20-%20Magazine\" target=\"_blank\">ionel.petrus@smithgroup.com.\u003c/a>\u003c/h4>"},"cl":"text p-_Js1xJSc","type":"text"},{"key":"e4QZHwe6uF1","content":{"src":{"ratio":1.0218181818181817,"key":"8ZltYynHt_","url":"https://cdn.vev.design/cdn-cgi/image/f=auto,q=82/private/KaxzywoIf0Rx41JdO6oEbX8EsUI3/image/8ZltYynHt_.jpg"}},"cl":"image","type":"image"},{"key":"eCBhN1blKyH","content":{"cont":{"tablet":{"params":{"updated":1608217389567,"trigger":"Load","LoadAnimation":{"easing":"easeOutQuart","opacity":[0,1],"preset":"slide","translateY":["6%","0"],"duration":1,"once":true,"delay":0.3}}},"mobile":{"params":{"LoadAnimation":{"delay":0.3,"once":true,"preset":"slide","easing":"easeOutQuart","translateY":["6%","0"],"opacity":[0,1],"duration":1},"trigger":"Load","updated":1608217389567}},"desktop":{"params":{"trigger":"Load","LoadAnimation":{"translateY":["6%","0"],"easing":"easeOutQuart","preset":"slide","duration":1,"opacity":[0,1],"delay":0.3,"once":true},"updated":1608217389567}}}},"cl":"w75y8u1c","type":"w75y8u1c"},{"key":"eFI_cLYzEAp","cl":"section","type":"section","children":["eFzTsXU17ln","e4QZHwe6uF1"],"actions":["eCBhN1blKyH"]},{"key":"eo-xdde1DR1","content":{"src":{"ratio":1,"url":"https://cdn.vev.design/cdn-cgi/image/f=auto,q=82/private/KaxzywoIf0Rx41JdO6oEbX8EsUI3/image/MHrIp2cjZC.png","key":"MHrIp2cjZC"}},"cl":"image","type":"image"},{"key":"ehu5xKVGqCT","content":{"text":"\u003ch4 >\u003cstrong >Robert Pfaff, P.E.\u003cbr>\u003c/strong>Robert Pfaff is a licensed P.E. and has been working for SmithGroup in the Washington, D.C., office for the past 14 years. He earned a bachelor’s degree in electrical engineering from The Catholic University of America in 1987. He has more than 25 years of experience in electrical engineering design focusing on health care facilities, commercial buildings, laboratories, government facilities, and museums. Contact him at \u003ca target=\"_blank\" href=\"mailto:robert.pfaff@smithgroup.com?Subject=\" >robert.pfaff@smithgroup.com.\u003c/a>\u003c/h4>"},"cl":"text p-_Js1xJSc","type":"text"},{"key":"eNRRpjKcXuK","content":{"cont":{"tablet":{"params":{"trigger":"Load","LoadAnimation":{"delay":0.3,"once":true,"translateY":["6%","0"],"easing":"easeOutQuart","preset":"slide","duration":1,"opacity":[0,1]},"updated":1608217389567}},"mobile":{"params":{"updated":1608217389567,"LoadAnimation":{"duration":1,"delay":0.3,"preset":"slide","once":true,"opacity":[0,1],"easing":"easeOutQuart","translateY":["6%","0"]},"trigger":"Load"}},"desktop":{"params":{"LoadAnimation":{"delay":0.3,"preset":"slide","once":true,"duration":1,"translateY":["6%","0"],"opacity":[0,1],"easing":"easeOutQuart"},"updated":1608217389567,"trigger":"Load"}}}},"cl":"w75y8u1c","type":"w75y8u1c"},{"key":"e6GNo4Iprlf","cl":"section","type":"section","children":["eo-xdde1DR1","ehu5xKVGqCT"],"actions":["eNRRpjKcXuK"]},{"key":"eU-3xMQZ2-O","content":{"src":{"url":"https://cdn.vev.design/cdn-cgi/image/f=auto,q=82/private/KaxzywoIf0Rx41JdO6oEbX8EsUI3/image/gzY7p9kS_Z.jpg","key":"gzY7p9kS_Z","ratio":1}},"cl":"image","type":"image"},{"key":"eX6JLof3Ul-","content":{"text":"\u003ch4 >\u003cstrong >Melissa Lim\u003c/strong> \u003cbr>Melissa Lim is a mechanical design engineer at SmithGroup who works primarily on government and higher education projects. As an engineer in training, Melissa is looking to acquire valuable HVAC design knowledge and experience to take the professional engineering exam in 2023. She can be contacted at \u003ca target=\"_blank\" href=\"mailto:melissa.lim@smithgroup.com?Subject=\" >melissa.lim@smithgroup.com\u003c/a>.\u003c/h4>"},"cl":"text p-_Js1xJSc","type":"text"},{"key":"eVY3VlgExM5","content":{"cont":{"mobile":{"params":{"updated":1612214672557,"trigger":"Load","LoadAnimation":{"duration":0.6,"translateX":["-30px","0"],"easing":"easeOutQuart","preset":"slideInLeft","opacity":[0,1],"delay":0.7}}},"tablet":{"params":{"trigger":"Load","LoadAnimation":{"translateX":["-30px","0"],"opacity":[0,1],"delay":0.7,"easing":"easeOutQuart","duration":0.6,"preset":"slideInLeft"},"updated":1612214672557}},"desktop":{"params":{"LoadAnimation":{"opacity":[0,1],"easing":"easeOutQuart","translateX":["-30px","0"],"duration":0.6,"delay":0.7,"preset":"slideInLeft"},"trigger":"Load","updated":1612214672557}}}},"cl":"w75y8u1c","type":"w75y8u1c"},{"key":"eB7TiwZaOha","content":{"text":"\u003cp >\u003cem >Lead Image [Anusak Rojpeetipongsakorn]/[iStock / Getty Images Plus] via \u003c/em>\u003ca target=\"_blank\" rel=\"noopener external\" href=\"https://www.gettyimages.com/detail/photo/asian-male-engineer-inspecting-pipe-fittings-and-royalty-free-image/1325351837?adppopup=true\" >\u003cem >Getty Images\u003c/em>\u003c/a>\u003c/p>"},"cl":"text 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>Table Of Contents\u003c/p>\u003c/div>"},"cl":"text","type":"text","actions":["ebmrPdqQNzu"]},{"key":"e0KBd-jTC-I","content":{"text":"\u003cp >August 2022\u003c/p>"},"cl":"text","type":"text"},{"key":"eWu0DVjnyM1","content":{"link":{"page":"pQ_tSND9zxs","mode":0}},"cl":"external-link","type":"external-link"},{"key":"e436nOUDD90","content":{"src":"4fH1Di577"},"cl":"image","type":"image","actions":["eWu0DVjnyM1"]},{"key":"eo6UqjQQD9B","cl":"section","type":"section","children":["eFlvHTHc1zH","e0KBd-jTC-I","e436nOUDD90"]},{"key":"pbMpQBZztMY","content":{"link":{"mode":1,"widget":{"image":{"value":{"url":"https://cdn.vev.design/private/dk3UctceTPWKJtA1g8n4EFqTvuo2/sMCfp44b_view_array-24px.svg.svg","name":"view_array-24px.svg","path":"private/dk3UctceTPWKJtA1g8n4EFqTvuo2/sMCfp44b_view_array-24px.svg.svg","bucket":"cdn.vev.design"},"type":2},"pageName":"Feature example","page":"pbMpQBZztMY","key":"eMF25jZtUlx","name":"BIOS 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