Paul Baker, PE, CPD, GPD, is a senior mechanical engineer with Jacobs in Fort Worth, Texas. He has more than 39 years’ experience in the HVAC and plumbing fields. He has been an ASPE member since 2006. Baker is a registered professional engineer in nine states. He would like to acknowledge the peer review provided by Oslin-Nation and Itron Inc. Baker can be reached at paul.baker@jacobs.com.