Pragmatic, energy-efficient solutions that provide consistent comfort and safety for people.

Mechanical Engineering

Designing for Optimal Comfort

Mechanical design calls for practicality — a pragmatic, energy-efficient approach to problem-solving. The mechanical systems need to be ever-present and functioning smoothly in the background. At PEC we match the sophistication of the building automation controls and the heating, ventilation, and air conditioning (HVAC) systems with an integrated approach specific to your needs. The best mechanical systems go unnoticed while providing consistent comfort and safety for people and equipment with minimal maintenance. Our engineers understand their designs affect your business every day; our goal is to meet all of your project requirements with the mechanical systems we design, adding value to your building.

Energy-efficiency and sustainability are a greater priority than ever in our world. PEC’s work reflects our commitment to creating environmentally-conscious designs. We understand that the mechanical systems we design directly impact your carbon footprint. Between our mechanical team and our sustainability services leader, we can create sustainable
solutions that are resilient as well as financially attainable. We employ the latest technology in support of the experience and the imagination of our engineers. The precision of our documents identifies conflicts well before construction. Our calculations support an accurate bid process and ensure the installation of a system that works as designed so your project is a success.

CommissioningListing Building Systems Commissioning
  • Commissioning development and implementation
  • Installation inspection and verification
  • Testing functional performance
  • Owner and user training
  • Commissioning Report and Systems Manuals
  • Issue resolution
  • Owner’s Project Requirements (OPR) compliance assurance
MechanicalSystemListing Mechanical Systems
  • Heating ventilation and air conditioning (HVAC) design
  • Plumbing design
  • Fire protection
  • Building Information Modeling (BIM)
  • LEED documentation or applicable
  • Sustainable design
SpecializedSystem Specialized Systems
  • Central energy plants
  • Steam, hot, and chilled water distribution
  • Medical gas, air, and vacuum distribution
  • Industrial ventilation and air tempering
  • Paint booth ventilation/exhaust design
SystemAnalysisListing System Analysis
  • Heating and cooling loads analysis
  • Energy modeling using computer simulation and comparison of life-cycle costs
  • Energy standards compliance verification
  • CFD dynamic airflow modeling
  • Existing building assessment

Meet the Team

Claassen Brandon PEC 2024 Grey Brandon Claassen, PE, LEED AP VP Mechanical Engineering & Commissioning
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Brandon Claassen is the Vice President of Mechanical Engineering & Commissioning. He oversees all HVAC, Plumbing, and Commissioning projects. Brandon brings many years of experience in design, construction administration, project management, and coordination with other design disciplines on new and renovated facilities. He has been serving PEC and our communities since 2002.

Fiechtl Clint PEC SME Clint Fiechtl, PE, LEED AP Mechanical Team Lead, Subject Matter Expert
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Clint’s background in building automation and HVAC systems commissioning enables him to provide experienced guidance on system selection, operation, and reliability. He excels in collaborating with technical clients to address intricate HVAC control issues and in the development of robust control standards. Clint’s work has included the production of detailed PEC control standard documents, which serve as valuable references for providing efficient, reliable systems design. He has been serving PEC and our communities since 1999.

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PEC strives to better the communities you lead and live in.  We know when you succeed, your community succeeds. To us, that is what matters most.