Daniel Sager, P.E.


Philadelphia, PA

Daniel Sager, P.E.


Philadelphia, PA

GET TO KNOW Daniel Sager, P.E.

Daniel Sager, P.E., is a Forensic Engineer based in Philadelphia, Pennsylvania. Mr. Sager has seven years of engineering experience, including two years of forensics experience. As a Forensic Engineer, Mr. Sager has conducted cause and origin investigations into mechanical system and equipment failures at commercial and residential properties, inspected buildings to investigate construction defect claims against designed and built conditions, and developed expert reports with detailed findings and conclusions in support of litigation and property insurance claims.

Prior to becoming a Forensic Engineer, Mr. Sager spent five years designing and testing mechanical, plumbing, and fire suppression systems on naval ships. Mr. Sager was the lead mechanical engineer for the Full Ship Shock Trial of United States Navy aircraft carrier CVN 78, where he conducted evaluations and root cause analysis of failures to mechanical equipment and systems during shock testing and presented status updates on system capabilities and emerging risks to an oversight board consisting of US Navy Admirals and Captains.

Mr. Sager is a licensed professional engineer in Delaware, Maryland, Massachusetts, New Jersey, New York, and Pennsylvania. He earned a Bachelor of Mechanical Engineering from Drexel University.

Primary Areas of Consulting

Mechanical System Design and Operation

  • Plumbing systems and equipment: domestic water, hot water, natural gas, sanitary, storm drainage
  • HVAC systems and equipment: water sourced heat pump, variable refrigerant flow, steam, geothermal, split systems
  • Fire suppression systems and equipment: fire pumps, jockey pumps, sprinkler heads, tamper switches
  • Industrial, commercial, and residential mechanical systems

Mechanical Equipment Failure Analysis

  • Plumbing Equipment: Pumps, motors, valves, piping networks and components
  • HVAC Equipment: Condensers, evaporators, air handlers, boilers, cooling towers, fans, pumps, heat exchangers, ductwork
  • Residential Mechanical Equipment: Water heaters, boilers, furnaces, radiators
  • Lab based testing of subject vs. exemplar products and components including disassembly, destructive testing, microscopy
  • Evidence collection and storage

Code Interpretation and Compliance

  • International Building Code
  • International Plumbing Code
  • International Mechanical Code
  • International Residential Code

Construction Defect Evaluations

  • Industrial, commercial, and residential construction evaluation of as-built condition to designed condition
  • Industrial, commercial, and residential construction evaluation of code compliance
  • Development of detailed plans for remediation of loss including scope, schedule, and budget of repairs in support of property damage claims


Bachelor of Science in Mechanical Engineering, Drexel University

Licensed Professional Engineer in the States of:

Delaware, Maryland, Massachusetts, New Jersey, New York, Pennsylvania

Get In Touch