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JBU Presents: A Closer Look at the Psychrometrics behind common HVAC Processes

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Come join us for another great JBU event in our new downtown training center. This month's feature:

A Closer Look at the Psychrometrics behind common HVAC Processes, with Brad Galpern of Johnson Barrow Oregon


  • Refresher of fundamental psychrometric properties
  • A walk-thru of some basic psych chart calculations
  • Illustration of some common HVAC processes on the psych chart
  • What humidity levels are attainable with traditional DX/CHW cooling?
  • What humidity levels demand dessicant dehumifiication or something beyond the norm?
  • Some creative (and relevant) applications to think about


  • 90 min (approx) lecture followed by 30 min open discsussion and Q&A
  • Intended as educational event (NOT a commercialized product dump!)
  • CEU's available for those interested (sign in sheet will be available to request certificate)
  • Refreshments will be provided immediatly following event

Target Audience:

  • Mechanical Engineers and HVAC Designers with 0-5 yrs experience OR anyone interested in an open and fun refresher on navigating the psych chart!

Extra Credit Opportunity:

  • Bring your own psych chart to follow along and win a prize!

Class sizes are limited to maximize interaction. Please RSVP as these are first-come,first-served events!

Any questions, please contact Anthony Tomasi at or 503-320-9565.

We look forward to hosting you at this and future JBU events!

- JB Oregon Team