Past Events

Oct 2025

Building Science Fundamentals | Live virtual seminar | October 14, 16, 21, 23 | 16 AIA CEU credits

  1. fundamentals_i_1.pdf
    Joseph Lstiburek
  2. fundamentals_ii.pdf
    Joseph Lstiburek
  3. fundamentals_iii.pdf
    Joseph Lstiburek
  4. fundamentals_iv_1.pdf
    Joseph Lstiburek

Aug 2025

Twenty-Seventh Westford Symposium on Building Science - August 4, 5 and 6, 2025 | Twenty-Seventh Westford Symposium on Building Science

Link to Videos

  3. 03_Mark_Modera_AeroBarrier.pdf
    Mark Modera
  8. 08_Marc_Rosenbaum_Daylighting.pdf
    Marc Rosenbaum
  13. 13_Shapiro _Racusin_Embodied CO2e.pdf
    Andrew Shapiro
    Jacob Racusin

Aug 2024

Westford Symposium XXVI - August 5, 6, and 7, 2024 | The Twenty-Sixth Annual Westford Symposium on Building Science, 2024

Link to Videos

  2. Is AI BS.pdf
    Robert Bowerman
    John Straub
  3. Adhesion.pdf
    Foster Lyons
  8. Load-Based Testing Of Heat Pump.pdf
    Bruce Harley
  9. The Graphic Language of Drawings.pdf
    Steve Baczek
  11. Saving Affordable Homes.pdf
    Julie Klump

Dec 2023

Deep Energy Retrofits | Live virtual seminar | Dec 12 and 14 | 8 AIA CEU credits

  1. Deep Energy Retrofit - Mass Walls.pdf
    Joseph Lstiburek
  2. Deep Energy Retrofit - Frame Walls.pdf
    Joseph Lstiburek

Jul 2023

Twenty-Fifth Annual Westford Symposium on Building Science | The Twenty-Fifth Annual Westford Symposium on Building Science, 2023

Link to Videos

  7. Roofs and Pressures.pdf
    Matt Dupuis
  10. Building Science Advisor (BSA).pdf
    Andre Desjarlais
    Michael Lubliner
  11. Historic Retrofit Of A 200 Year Old Mass Building.pdf
    Michael Patrick
    Sydney Katz

Oct 2022

Renovation and Rehabilitation | AVAILABLE: Live virtual seminar | October 04 and October 06, 2022 | 8 AIA CEU credits

  1. retrofit_-_frame_walls-.pdf
    Joseph Lstiburek
  2. retrofit_-_mass_walls-.pdf
    Joseph Lstiburek

Aug 2022

Twenty-Fourth Westford Symposium on Building Science | The Twenty-Fourth Westford Symposium on Building Science, 2022

Link to Videos

  1. Health, Humidity, COVID and Buildings.pdf
    Stephanie Taylor
  5. Answers from the Ashes.pdf
    Jeff Berino

Dec 2020

Building Science Fundamentals | December 16-17, 2020 | Dallas, TX

  1. 01. Enclosures_.pdf
    Joseph Lstiburek
  2. 02. Heat, Air and Moisture
    Joseph Lstiburek
  3. 03. Physics
    Joseph Lstiburek
  4. 04. Rain
    Joseph Lstiburek
  5. 05. Air_Control
    Joseph Lstiburek
  6. 06. Pressures
    Joseph Lstiburek
  7. 07. Roofs_.pdf
    Joseph Lstiburek
  8. 08. Foundations
    Joseph Lstiburek
  9. 09. HVAC
    Joseph Lstiburek
  10. 10. Mass Assemblies
    Joseph Lstiburek
  11. 11. Retrofits
    Joseph Lstiburek

Aug 2019

Twenty-Third Annual Westford Symposium on Building Science | Twenty-Third Annual Westford Symposium on Building Science

  3. Stick And Unitized Curtain Wall Systems.pdf
    Robert Quattrociocchi
    David De Rose
  6. Aeroseal For Houses.pdf
    Gord Cooke
  8. PHIUS 2018 Summercamp 2019.pdf
    Lisa White
    James Ortega
  11. Vented And Unvented Roofs_SC.pdf
    Joseph Lstiburek

Nov 2018

Building Science Experts' Session | DAY 2: November 8, 2018 | Westford, MA

  1. Special.pdf
    Joseph Lstiburek
  2. Pools_Special_Use.pdf
    Kohta Ueno

Aug 2018

Twenty-Second Annual Westford Symposium on Building Science | Twenty-Second Annual Westford Symposium on Building Science

  3. Legionella_Jack Springston.pdf
    Jack Springston
  5. Stoned On Stone_Rob Redden.pdf
    Rob Redden

Jul 2017

Twenty-First Annual Westford Symposium on Building Science | Twenty-First Annual Westford Symposium on Building Science

  1. Stucco...Who's in charge?.pdf
    Frank Nunes
  2. Old Meets New.pdf
    J.D. Stenner
  6. Evolution Of Roofing Membranes.pdf
    Helene Hardy Pierce
  9. The Foibles, Follies And Fixes Of Flex.pdf
    Allison Bailes
    Chris Van Rite
  11. Sancho Panza Speaks.pdf
    Foster Lyons
  12. How Buildings Age.pdf
    Joseph Lstiburek

Aug 2016

Twentieth Annual Westford Symposium on Building Science | Twentieth Annual Symposium Registration

  1. Solving Roofing Problems.pdf
    Helene Hardy Pierce
  2. Roofing Notes from the Field.pdf
    Peter Marciano
  4. Forensic Carpentry.pdf
    Bart Laemmel
  8. Lazy Air Conditioning.pdf
    Ken Gehring

Aug 2015

Annual Westford Symposium on Building Science | August 3-5, 2015 | Westford, MA

  1. How Sausage Really Gets Made
    Martin Houston
  2. Asbestos and Mold
    Wynn L. White
  3. Ventilation in Multi-Family Buildings
    Lorne Ricketts
  5. Air Leakiness of OSB
    David W. Boyer
    Tom Schneider
  6. Bavarian Castles and Tools You Need to Know
    Hartwig M. Künzel
    Florian Antretter
  7. The Basics of Moving Air
    David Hill
  8. HVAC in the Real World
    Robert Bean
  9. Remediation of ASHRAE 160
    Kohta Ueno
    Christopher Schumacher
    Samuel V. Glass

Jul 2015

Renovation and Rehabilitation Seminar | July 9, 2015 | Westford, MA

  1. Part I
    Joseph Lstiburek
  2. Part II
    Joseph Lstiburek
  3. Part III
    Joseph Lstiburek

May 2015

Building Science Fundamentals | May 20-21, 2015 | Westford, MA

  1. 01. Enclosures
    Joseph Lstiburek
  2. 02. Heat, Air and Moisture
    Joseph Lstiburek
  3. 03. Physics
    Joseph Lstiburek
  4. 04. Rain
    Joseph Lstiburek
  5. 05. Air_Control
    Joseph Lstiburek
  6. 06. Pressures
    Joseph Lstiburek
  7. 07. Roofs
    Joseph Lstiburek
  8. 08. Foundations
    Joseph Lstiburek
  9. 09. HVAC
    Joseph Lstiburek
  10. 10. Mass Assemblies
    Joseph Lstiburek
  11. 11. Retrofits
    Joseph Lstiburek

Nov 2014

Water Leakage Testing Expert Session | November 20, 2014 | Westford, MA

  2. Windows and Water Leakage Testing
    Peter Baker

Nov 2014

Hygrothermal Analysis Expert Session | November 19, 2014 | Westford, MA

  1. 1. Heat, Air and Moisture
    Joseph Lstiburek

Sep 2014

Renovation and Rehabilitation Seminar | September 25, 2014 | Westford, MA

  1. Part I: Adventures in Building Science
    Joseph Lstiburek
  2. Part ll: Retrofit Case Studies
    Joseph Lstiburek
  3. Part lll: Mass Assemblies
    Joseph Lstiburek

Aug 2014

Eighteenth Annual Building Science Symposium | August 4-6, 2014 | Westford, MA

Jun 2014

Renovation and Rehabilitation Seminar | June 12, 2014 | Westford, MA

  1. 01. Introduction
    Joseph Lstiburek
  2. 02. Case Studies—Part I
    Joseph Lstiburek
  3. 03. Case Studies—Part II
    Joseph Lstiburek
  4. 04. HVAC
    Joseph Lstiburek
  5. 05. Roofs
    Joseph Lstiburek

May 2014

Building Science Fundamentals | May 13-14, 2014 | Various locations

  1. 01. Enclosures
    Joseph Lstiburek
  2. 02. Heat, Air and Moisture
    Joseph Lstiburek
  3. 03. Physics
    Joseph Lstiburek
  4. 04. Rain
    Joseph Lstiburek
  5. 05. Air Control
    Joseph Lstiburek
  6. 06. Pressures
    Joseph Lstiburek
  7. 07. Roofs_.pdf
    Joseph Lstiburek
  8. 08. Foundations
    Joseph Lstiburek
  9. 09. HVAC
    Joseph Lstiburek
  10. 10. Mass Assemblies
    Joseph Lstiburek
  11. 11_Fundamentals_Retrofits.pdf
    Joseph Lstiburek

Dec 2013

Building Science Experts' Session | December 11-12, 2013 | Westford, MA

  1. Multifamily Podium Construction
    Joseph Lstiburek
  3. 3. Ventilation
    Joseph Lstiburek

Aug 2013

BSC Seventeenth Building Science Symposium | August 5-7, 2013 | Westford, MA

  3. 03. In Hot Water
  7. 05c. IGLOO
    Achilles Karagiozis
  8. 06. Thermal Metric: The End is Near
    Christopher Schumacher
  12. 10. Sucking and Blowing
    Joseph Lstiburek

Jun 2013

Renovation and Rehabilitation Seminar | June 27, 2013 | Westford, MA

  1. 1. Introduction
    Joseph Lstiburek
  2. 2. Case Studies–Part I
    Joseph Lstiburek
  3. 3. Case Studies–Part II
    Joseph Lstiburek
  4. 04. HVAC
    Joseph Lstiburek
  5. 05. Roofs
    Joseph Lstiburek

May 2013

Building Science Fundamentals | May 29-30, 2013 | 42153

  1. 01. Introduction
    Joseph Lstiburek
  2. 02. Environmental Separation
    John Straube
  3. 03. Rain Control
    Joseph Lstiburek
  4. 04. Airflow Control
    John Straube
  5. 05. Pressures and IAQ
    Joseph Lstiburek
  6. 06. Air-Vapor Moisture Physics
    John Straube
  7. 07. Mass Assemblies
    Joseph Lstiburek
  9. 09. HVAC
    Joseph Lstiburek
  10. 10. Basements: New and Retrofit
    John Straube
  11. 11. Retrofits
    Joseph Lstiburek

Nov 2012

Building Science Experts' Session | December 5-6, 2012 | Westford, MA

  2. Day 2: HVAC for Low-Load Buildings
    John Straube

Aug 2012

BSC Sixteenth Building Science Symposium | July 30-August 1, 2012 | Westford, MA

  6. Day 2.1: Codes, Standards and Reality
    Theresa Weston
  11. Day 2.5: Mechanical Systems
    Henry Gifford
  14. Day 3.1: Thermal Metric Summary
    Christopher Schumacher
    Aaron Grin
  15. Day 3.3: Still Fixing My House
    Joseph Lstiburek

Jun 2012

Building Science Fundamentals | May 23-June 14, 2012 | Various locations

  1. 01. Introduction
    Joseph Lstiburek
  2. 02. Environmental Separation
    John Straube
  3. 03. Rain Control
    Joseph Lstiburek
  4. 04. Airflow Control
    John Straube
  5. 05. Pressures and IAQ
    Joseph Lstiburek
  6. 06. Heat, Air and Moisture
    Joseph Lstiburek
  7. 07. Mass Assemblies
    Joseph Lstiburek
  8. 08. Insulation and Thermal Bridges
    John Straube
  9. 09. Foundations and Slabs
    John Straube
  10. 10. HVAC
    Joseph Lstiburek
  11. 11. Commercial HVAC
    John Straube
  12. 12. Retrofits
    Joseph Lstiburek

Jun 2012

Renovation and Rehabilitation Seminar | June 6, 2012 | Westford, MA

  1. 1. Introduction
    Joseph Lstiburek
  2. 2. Case Studies–Part I
    Joseph Lstiburek
  3. 3. Case Studies—Part II
    Joseph Lstiburek
  4. 4. HVAC
    Joseph Lstiburek
  5. 5. Roofs
    Joseph Lstiburek

Other Events

EEBA Building Solutions 2003
South Florida Building Official Association
EEBA Conference 2002
PR-0216_Special_HVAC_Topics.pdf , PR-0215_DH_Research_Results.pdf
Armin Rudd
Affordable Comfort Conference 2002
PR-0204_Ventilation_Production_Builders.pdf
Armin Rudd
Building America
PR-0217_GREEN_BA_Pilot_Program.pdf
EEBA Excellence in Building Conference 2001
Kohta Ueno, Armin Rudd
Durability and Disaster Mitigation in Wood-Frame Housing Conference
PR-0002_Res_Vent_IAQ_Presentation.pdf
Armin Rudd
EEBA Excellence in Building Conference 2000
PR-0003_Adv_Sys_Eng_EEBA.pdf , PR-0008_Timebased_Res_Ventilation.pdf
Betsy Pettit, Armin Rudd
Presentation
PR-9914_House_Barn_Renovation.pdf
Betsy Pettit
BETEC: Bugs, Mold and Rot III
Betsy Pettit