Building Performance Contractors Association

Building Science Workshop

7:00 am

Sign in, Registration and Continental Breakfast

8:00 am


  • Why Energy Matters.
  • Prioritizing for Low Energy Design.
  • Human Comfort, Health and Building Durability.


  • What is the relationship between Embodied Energy and the Operating Energy?
  • What are the reasons to reduce energy use?
  • Are there risks to building low energy buildings?

9:00 am

Good Enclosures: New and Retrofit?

  • Architectural Detailing for the Tough Stuff: Air-tightness, Rain Control, Insulation and Thermal Bridges.
  • Advanced Glazing Systems and Solar Control.
  • Useful Guidelines and Metrics for Passive Design.


  • What design elements have the most effect on Energy Efficiency?
  • How much glazing is too much glazing?
  • How do we design walls to avoid thermal bridges?         

10:00 am


10:15 am


  • Understand Air-based and Hydronic Distribution, Benefits and Drawbacks.
  • Getting Good Efficiency out of Your HVAC Equipment.
  • The Goldilocks Question - Not Too Much, Not Too Little Ventilation, Delivered Efficiently.


  • What is Latent Heat?
  • Do Green Buildings need more or less ventilation?
  • How can Advanced HVAC Systems affect the design of a building?



12:30 pm

"Far out there" HVAC and Renewable Energy Sources

  • Natural Ventilation - Doing the Math.
  • Radiant Heating, Radiant Cooling, Chilled Beams.
  • Renewable Energy Choices.


  • Where should window shades be installed?
  • Do advanced HVAC Systems like Radiant Cooling work?
  • When and where does natural ventilation work to improve comfort?

2:30 pm


2:45 pm

Putting it All Together

  • Systems Thinking and Synergistic Interactions.
  • Energy Modeling and Other Tools for Analysis and Design.
  • Beyond the Rating: How to Measure, Learn and Share.


  • How useful and accurate are energy models?
  • What is the role of testing, rating, and commissioning?
  • What does it take to build a good building?

4:00 pm

Discussion and Questions

5:00 pm

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For more information about this event, contact:
Jim Hammel, 315.638.1757,