PHA Consulting Engineers, Inc. (PHA) has a team made up of licensed engineers, designers, technicians, and support staff. The namesake of PHA Consulting Engineers, Inc. (PHA) is the firm’s founder, Perry Hescock, who has worked in mechanical, electrical, and plumbing consulting since 1969. The original name of the company was Perry Hescock and Associates, which was founded in 1984. 

PHA’s skilled personnel have a diverse background in both new construction as well as remodeling projects. Consulting services are offered for mechanical, electrical, and plumbing engineering. Our design staff has experience in sustainable design that includes LEED for Homes and New Construction as well as Green Build Texas and the Austin Green Building program. Our years of field experience allow us to have a keen understanding of how mechanical, electrical, and plumbing engineering interact and impact the entire project. Our goal is to have success in every project where owners and end users are satisfied with the space.

Andrew J. Allen, P.E. - President and CEO


andy allenAndrew J. Allen, P.E. began his career in 1995 as a mechanical/electrical/plumbing consultant for PHA. He later left the firm to gain diverse engineering experience in the private and public sectors. Andrew achieved valuable experience in retail, municipal and education fields. In 2006, he rejoined PHA as a partner.
 
His role as president and CEO involves his overseeing all aspects of the business as well as serving as the primary engineer of record for most projects. Andrew holds a Bachelor of Science degree in mechanical engineering from Texas Tech University in Lubbock, Texas.
 

Professional Memberships

National/State/Local
  • American Council of Engineering Companies
  • American Society of Heating, Refrigeration and Air Conditioning Engineers
  • National Society of Professional Engineers
  • Dallas Executives Association
 
 National and International
  • National Council of Examiners for Engineering and Surveying
  • International Code Council
  • National Fire Protection Association
 

Randy Visser - Project Manager


randy visserSince 1999, Randy has been part of the PHA team and has worked in project management for four years. As a production manager of PHA, Randy’s main concern is that the client be satisfied with the project in regards to quality control, timeline, and meeting project deadlines. He coordinates with the staff to assure that daily objectives are met. Randy also serves as an electrical designer for projects.

His technical experience consists of more than thirteen years of computer drafting and electrical design as well as five years of experience in residential and hotel/resort projects. He has also worked in urban development and has over seven years of construction design experience.

Randy’s consulting background consists of project involvement from inception to completion with an emphasis on client relations. He holds an Associate of Applied Sciences in Computer Aided Drafting from ITT in Richardson, Texas.

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