Mr. Bartel has over 20 years of experience providing engineering and energy consulting services throughout the United States. Mr. Bartel is a Partner in National Property Consulting Group, LLC (NPC) and currently serves as a Principal Engineer. Mr. Bartel has considerable experience with Property Condition Assessments, specialty mechanical/electrical/plumbing assessments, energy audits, green or sustainable building consulting, construction loan monitoring/draw reviews, and accessibility compliance assessments (ADA).