Bredson + Associates, Inc.

R. DAVID HARTZLER, P.E.

Mr. Hartzler helped start Bredson + Associates, Inc. in 1988 and became a principal in the firm
when it was incorporated in 1989 and currently holds the position of Treasurer. David has
over 20 years of experience in heating, ventilating, air-conditioning (HVAC) engineer,
plumbing/fire protection/electrical system design, construction observation/coordination, and
design/build projects. Mr. Hartzler has taken continuing education courses relating to indoor air
quality, electrical code requirements, and seismic design for MEPF systems. David's
responsibilities include being Engineer of Record for multiple projects, leading Design/Build
projects, quality control of plumbing & mechanical drawings, head of plumbing department,
marketing project management, and maintaining & upgrading our master specifications.

Education
B.S., Architectural Engineer, University of Kansas - Lawrence, Kansas
Bachelor of Environmental Design, University of Kansas - Lawrence, Kansas

Professional Registrations
Arizona, Arkansas, California, Indiana, Iowa, Kansas, Maryland, Missouri, New Jersey, North
Carolina, and Virginia

Professional Memberships
American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE)
American Society of Plumbing Engineers (ASPE)