Drew Landen, P.E., LEED AP O+M is a mechanical engineer with extensive experience in HVAC design, project management, energy modeling, building assessments, commissioning and energy auditing in multiple market sectors. His experience includes working with building owners, contractors, architects, and municipalities. His extensive knowledge of USGBC LEED requirements, International codes, and ASHRAE standards & Procedures for Commercial Energy Audits makes him a vital part of our engineering team.