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Multifamily Design and Engineering

High Performance HVAC Systems

Design and Engineering

Mechanical codes and most above code programs require that HVAC systems be designed using Manual J, D, and S.  SEM offers these design services to HVAC contractors and design teams looking to design high performance HVAC systems:

  • Manual J – Load calculations (system sizing)
  • Manual D- Duct design (layout of HVAC system)
  • Manual S – Equipment selection (system selection)

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