Core Conference Schedule

Hyatt Regency Crystal City at Reagan National Airport, 2799 Richmond Hwy, Arlington, VA 22202

Core Day 1 | Friday, December 6

Day One
7:00 am Registration Opens, Independence Level (escalator down from lobby)
8:00 – 8:30 am Breakfast (Independence I and II/Exhibit Hall)
8:30 – 10:00 am Opening Plenary (Regency Ballroom, lower level)
8:30 – 8:40 am Welcome and Thank you! PHIUS and PHAUS
8:40 – 9:00 am Welcome to Washington!  Lisa Mallory
9:00 – 10:00 am Keynote Jeremy Rifkin
10:00 – 10:30 am Coffee Break & Visit Exhibitors/Rifkin Book Signing
10:30 am – 12:30 pm Breakout sessions (presentations run 35 minutes, unless otherwise noted)


3 & 4

Local Case Studies: Single (SF), Multifamily (MF), and Retrofit

Conference Theater

Case Studies: SF, Measured Data, and Source Zero


PH Policy / Zero Energy Codes

5 & 6

Standards / PH Principles / Building Science

1 & 2

International Zero Energy and Carbon

Moderator: TBD Moderator: Mary Rogero
Moderator: Jonathan Bean
Moderator: TBD
Moderator: Maren Longhurst
David Peabody, Matt Fine (30): Toward Design Freedom with Passive

SF, New Affordable

Matt Fine, Bruce Zavos, Michael Hindle (30): Weinberg Commons, DC

MF, Retrofit, Affordable

Jessica Pitts, Galen Staengl (30): Stack 8 – Innovative Project Delivery in a Net Zero PH Community in DC

Shane Pollin, Brandon Nicholsen (30)

Large MF, PHIUS+ Source Zero Development, New, Market Rate, Affordable

David Brubaker: On the Path to Zero in the Sonoran Desert, AZ

SF, New

Charles McBride, Robert Arlt: A Case Study on the impact of PHIUS+ 2018 standard on a Student Designed PHIUS+ House in South Dakota

SF, New

Aaron Thompson, Maggie Kirk: Confluence of Forces: The Decentralized Manifestation of a Passive House, UT

SF, New

Katie Bergfeld, Cliff Majersik (20): Charting a Course to Carbon Neautrality in Washington, DC

Mark Lyles (20): Scaling the Impact of Passive House through Energy Codes and Policies

Hank Keating, Beverly Craig (20): The Evolution of Massachusetts PH Incentives and Polices

Charles McBride, Robert Arlt (20): Building In the Void: The Pursuit of Zero in the Unregulated Midwest: “The South Dakota Initiatives”

40 min panel discussion

Karla Butterfield: Indoor Air Quality and Comfort: Deliver a Healthy Building – Cost Effectively

Keith Simon: Building Durability: Architectural Koyannisqatsi, 10 year, 100 year buildings

Graham Wright: Resilience: Passive Design For Survivability, in General and For Heat Waves in Particular

Sebastian Moreno Vacca, Manon Meskens: From Passive House to Permacity: A Roadmap to Zero-Emission

– Zero Emission Calculator and Design Methodology, Examples from Europe and Africa

Andres PinzonAndrew Straus, Enrique Bueno: Passive House Project Becomes Pilot Program For National Policy On Net-Zero Energy Building (NZEB) in Colombia

Dan Whitmore, Alex Boetzel: ICF PHIUS+ Single Family project in China


12:30 – 12:45 pm Lunch Setup and Exhibit Hall
12:45 – 1:30 pm Lunch Keynote:

Accelerating the Shift to ZeroZack Semke, Co-chair, Shift Zero

1:30 – 2:00 Exhibit Hall, Coffee
2:00 – 4:00 pm Breakout sessions (segments run 35 minutes, unless otherwise noted)



Case Studies Commercial / Zero Energy Buildings

1 & 2

Design & Construction

5 & 6

Standards / PH Principles / Building Science

Conference Theater

PH Envelope Components / Innovations in Glazing

3 & 4

Builder Hootenanny: Blow Hards

Moderator: Kat Klingenberg
Moderator: TBD Moderator: TBD Moderator: TBD Moderator: Dan Whitmore and Alex Boetzel
Prudence Ferreira  PHIUS+ Case Study Pennsylvania Housing Finance Authority Head Quarters, Harrisburg

Lois Vitt Sale:
Plainfield Park District Recreational Facility and Preschool, and Northbrook Park District Recreational Facility, IL

Com, New, PHIUS+ Source Zero

Cristine Gibney: Leading by example: The American Geophysical Union net-zero energy retrofit project, Washington ,DC

Peter Marciano: Eat Your Sweater: Interior Retrofits for Multifamily Masonry Buildings, Phased, NYC

MF Res, Retrofit

Laura Blau, Paul Thompson: Master Planning a Phased Passive House Retrofit: A PH Retrofit Tool and Methodology, PA

Michael Ingui: Have your Cake and Eat it Too – Profitable, better designed, healthier homes that your clients will love- while saving the environment: A Systematic Team Approach, NYC

Ryan Abendroth: History of Passive Building Standards Development: The Evolution of PHIUS+ 2018

James Ortega: Case Study – Getting closer to Zero Marginal Cost for PH Construction – Improvement from PHIUS+2015 to PHIUS+2018

Prudence Ferreira: High Rise Passive House Cost Premium: PHIUS+Core /2018, PHI comparison

Rolf Jacobson, Stephen Selkowitz: “Thin Triples” – Taking the Pain out of Triple-Pane Windows – The Research Behind It

Brad Begin: The Coming Wave of “Thin Glass” Windows for Passive House Buildings in Triple Pane Manufacturing

Peter Elliott: Case study: Fenestration in Multi-Family Housing


Dan Whitmore, Alex Boetzel (20): Air Apparent: Passive House Blow-Hards Storming the Barriers


100 min discussion panel

Lindsey Elton

Tim McDonald

Tom Schneider

Graham Giovagnoli



3:45 – 4:15 pm Coffee Break & Visit Exhibitors
4:15 – 6:15 pm Breakout sessions (presentations run 35 minutes, unless otherwise noted)



Case Studies Single-Family, Small Multifamily Retrofit

5 & 6

Pre-Fab Design / Construction Process


3 & 4

PH / Zero Energy Policy Incentive Programs and Financing Tools


Effective Detailing

1 & 2

Zero & Positive Energy / Grid Design

Moderator: TBD Moderator: Alan Gibson Moderator: Kat Klingenberg Moderator:TBD Moderator:TBD
Ann Kosmal, Grzegorz Kosmal: “Mission Critical” Home, Washington DC

SF Brick Retrofit

Scott Farbman, April Hughes: Retrofitting Chicago: Transforming an 1890s historic home into a PHIUS Powerhouse

SF, Retrofit

Michael Robinson, John Loercher: So many lessons learned: North Miller Passive Multifamily in retrospect, Newburgh, NY

Townhouses, Retrofit

Sam Rashkin: (30) Overdue for Disruption

Alan Gibson (20): Advances in the PH Panelization Business

David Peabody, Matt Fine (20): Affordable Modular ZE PH

James Post (20): Pre-fab Roof Panel with Integrated Solar PV

30 min panel discussion

Dave Epley, Kendra Wiley (30): Washington, DC: The year is 2050. The District of Columbia has achieved carbon neutrality and its citizens are thriving. Let’s examine how we got there.

Gabriela Martin (15): Illinois Clean Energy Community Foundation – Zero Energy Building Program

Esther Toporovsky (15): Enterprise
Green Communities

Molly Simpson (15): Incentivizing Efficiency: Fannie Mae’s Green and Healthy Housing Financing Business

Cory Chimka (15): DC Sustainable Energy Utility

30 min panel discussion

Theresa D’Andrea, Chris Hamm: Breaking Down Barriers Between Accessibility and Passive House

Alison Kwok, Ryan Dirks:
Similar Problems, Different Solutions: A Closer Look at Differences in Successful Passive House Details

Michael Kramer: Attaching Cladding with Long Screws – This is a Thing Now, A Thing That You Can Do, Too.

Graham Irwin: Architecture for the Future of California

David Leetch: Micro-grids for Resiliency in Passive House and Net Zero projects

Baird Brown: Microgrid Regulatory Barriers and Strategies to Overcome Them: Microgrid Business Models and Agenda For Policy Reform


6:15 – 8:00 pm Exhibit Hall Reception
7:00 – 10:00 pm PHAUS Member Meeting & Networking – Location:


Core Day 2 | Saturday, December 7

Day Two
7:00 am Registration Opens
8:00 – 9:00 am Technical Keynotes Air-tightness and drying potential: key issues for moisture controlHartwig Kuenzel

High Performance Buildings and the Impact on Grid Efficiency – Achilles Karagiozis / Lisa White

9:00 – 9:30 am Coffee Break & Visit Exhibitors
9:30 – 11:30 am Breakout sessions (presentations run 35 minutes, unless otherwise noted)



XL Res Case Studies

5 & 6

Design / Construction

Industrialized Retrofits

1 & 2

Marketing / Communication / Real Estate Evaluation

Conference Theater


3 & 4

Passive Building at the Core of Zero Carbon Strategies on Campuses

Moderator: Mary Rogero
Moderator: Eric Werling
Moderator: Alan Gibson
Moderator: Maggie Kirk
Moderator:Kat Klingenberg
James Ortega, Skylar Swinford, Dan Whitmore: Multifamily Construction Process Case Study: Pax Futura, Seattle

MF, New Construction, Market Rate

Michelle Apigan, Tom Chase:Lessons learned mid-construction: The Concord Highlands, Cambridge MA Mid-rise

MF, New Construction, Affordable

Tyler Davis, Abdulla Darrat, Mark Ginsberg: How the largest PHIUS project achieved efficiency and low-income affordability

High-rise MF, New Construction, Affordable

Mark Carver , Jeff Armstrong (25): Can prefabrication revolutionize retrofit? Prefabricated Exterior Energy Retrofit (PEER) pilot with Ottawa Community Housing

Peter Amerongen (25): Sundance Housing Co-op Panelized Deep Energy Retrofit

Graham Wright, Martha Campbell (25): Standards and Guidelines for Industrialized Retrofits

45 min discussion panel

Zack Semke, Tessa Smith: Passive House – Great Idea! How Do I Sell It?!

Jeff Gephart (80): Important Local Market Transformation: Realizing Value for Passive Houses in the Real Estate Market

Maren Longhurst: Hot Tips and Cold Facts: Finding Common Ground Between WUFI and Manual J Load Calculations

Kimberly Llewellyn (Part I): A Tale of Four Cities: A Global Take on Product Development, Load Calcs for North America

Sayo Okada (Part II): A Tale of Four Cities: A Global Take on Product Development, Load Calcs for Asia

Karla Butterfield, Chris HammUniversities Where Zero is a Good Grade: Measured Performance, Lessons Learned, and Retrofit Solutions for Campuses

Jacob Higginbottom, Andrew Steingeiser: Student Housing: The path towards net zero energy and carbon neutrality on campus

Colin Schless: The Bowdoin Projects: Park Row, SCSC Cabins


11:30 – 12:30 pm Lunch & Visit Exhibitors
12:30 – 2:30 pm Breakout sessions (presentations run 35 minutes, unless otherwise noted)



Architecture Hootenanny

PH Divas –
The Leading Ladies

1 & 2

QAQC / Certification

5 & 6


3 & 4

Modeling / Standards Tools

Conference Theater

Operational and Embodied Carbon

Moderator: Kat Klingenberg
Moderator: TBD
Moderator: TBD Moderator: Shannen Martin
Moderator: TBD
Tessa Smith

Betsy Pettit

Chris Benedict

Michelle Apigian

Sayo Okada

Mary Rogero

Lois Vitt Sale

Aaron Johnson, Paul Raymer: On the Way: Indoor airPLUS Version 2 – What PHIUS Builders Need to Know

Rob Hosken: Don’t Reinvent the Wheel: ASHRAE & NIBS Commissioning in Commercial and Institutional Passive Buildings

Lindsey Elton: Boots on the Ground Tales of a PHIUS Rater/Verifier


Benjamin Knopp, Tray Biasiolli: Measured Energy Consumption of Heat Pump Water Heaters

Henry Harvey, Jessica Darling, Neil Donnelly: Incorporating the Seasonality of Domestic Water Heating Energy in Utility Bill Disaggregation

Tom Bassett-Dilley: Lessons Learned from an Early SF Project in Chicago – Three climates in one house: HVAC problems solved

Florian Antretter: Advances in modeling and simulation for passive building design

Andres Pinzon: Successfully utilizing the WUFI Passive dynamic shading tool

Colin Schless, Travis Anderson: City of Boston’s Net Zero Carbon Affordable Housing: Retrofit Performance Targets

Christina Aßmann, Lisa Carey Moore: Passive House and Living Building Challenge: A Multi-Faceted Materials Analysis

David Salamon, Steve Hessler: Spaghetti Carbon-Era: Disentangling Operational and Embodied Carbon

David Mead: Refreshing Refrigerants


2:30 – 3:00 pm Coffee Break & Visit Exhibitors
3:00 – 4:00 pm Breakout sessions (presentations run 30 minutes)


3 & 4

Arc of Progress

1 & 2



Design & Construction

5 & 6

Towards ZERO Marginal Cost

Panel Discussion

Conference Theater

PH / Zero Energy / Grid Design Innovations

Moderator: TBD Moderator: Shannen Martin
Moderator: TBD Moderator: Kat Klingenberg
Moderator: Lisa White
Mike Lebeau (30): A 40-year personal quest towards energy independence

Marc Rosenbaum: Extreme Makeover: Fixing The Plainfield NH School

Joe Lstiburek: Are we sealing the right walls in buildings? Ah, it depends… Justin Stein, Aurimas Sabulis, Chris Hamm, Crystal Ng: Innovation, Collaboration, and Repetition – Creating Affordable Solutions for Multi-Family Passive House Construction in the Bronx Craig Burton (30): DC Nano/micro grids: Case Study American Geophysical Union
Jonathan Bean (30): SunBlock


4:15 – 5:00 pm Closing Keynote What are we waiting for?Mike Steffen
6:00 – 9:00 pm Saturday, December 7, PHAUS Sponsored Evening Social. Location: Jaleo, 2250-A Crystal Drive, Arlington, VA 22202. By registration only.

Sunday, December 8

Passive Projects Tour, buses load at 8:00 a.m., Hyatt Regency. Buses depart at 8:30. Each visits two projects, back to hotel to pick up lunch, visit two more projects, return by 4:00 p.m.