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Building Science

The Passive House Conference in California Is Where It’s At!

PHIUS will host the 9th annual North American Passive House Conference next month

Image 1 of 3
The 2014 North American Passive House Conference is scheduled to take place in the San Francisco Bay Area in mid-September 2014.
Image Credit: Image #1: PHIUS
The 2014 North American Passive House Conference is scheduled to take place in the San Francisco Bay Area in mid-September 2014.
Image Credit: Image #1: PHIUS
The 2014 North American Passive House Conference is in the San Francisco Bay Area in California. Is Adam Cohen a pirate? Maybe not, but he's a heck of a passive house designer.
Image Credit: Image #3: Martin Holladay

The 9th annual North American Passive House Conference is less than a month away. You knew it’s going to be in California, right?

It’s unfortunate that the other Passivhaus group has chosen to use the same name that the Passive House Institute U.S. (PHIUS) has been using since 2006, but I’ve already discussed that confusion. (Full disclosure: I am on the board of directors of PHIUS.)

All you need to know is that the main passive house conference is in California, not in Maine. And here’s why you ought to get yourself registered for it ASAP.

1. Great speakers and presentations

Bill Rose, author of one of my favorite building science books, Water in Buildings, will give the opening keynote address. The smart, funny Achilles Karagiozis will give the closing keynote. Here are a few other notable presenters and presentations:

  • Terry Brennan – Multifamily QA/QC
  • Sam Rashkin, Kat Klingenberg, & Graham Wright – New climate-specific standards
  • Iain Walker & Brett Singer – Ventilation & IAQ
  • Chris Benedict – Newest market rate multifamily project in NYC
  • Joe Lstiburek – Multifamily ventilation design

The breakout sessions are where you get to hear about what’s working and what’s not. Builders, architects, engineers, and certified passive house consultants, all will be sharing their experience with Passivhaus projects they’ve been working on.

2. Pre-conference sessions

I’ll be learning WUFI Passive this year with Prudence Ferreira and Mattias Pazold. Other pre-conference sessions include:

  • PHIUS + Rater: Taught by John Semmelhack and Terry Brennan, this designation gets HERS raters involved in Passivhaus projects.
  • Domestic Hot Water Design: Gary Klein is the guru of hot water.
  • Passive Building Science Fundamentals: Dr. Joseph Lstiburek.

With one exception, the cost to attend these sessions is insanely low.

3. Climate-specific Passivhaus standards

Do you know what the most frequently given answer is to just about any applied building science question? “It depends.”

The original Passivhaus standard, developed in Germany, hasn’t worked so well here in North America, mainly because its rigidity doesn’t hold up to our greater climate variation. Kat Klingenberg did a great job explaining all this in her article at Green Building Advisor earlier this year, so that’s a good place to learn more.

PHIUS has been working with Buildilng Science Corporation to develop climate-specific standards and open things up a little bit here. On the first morning of the main conference, those new standards will be unveiled.

4. Dynamic energy modeling

Climate-specific standards aren’t the only thing that distinguishes PHIUS from the followers of the German PHI. The main tool of PHI is the Passive House Planning Package (PHPP), which is an Excel spreadsheet with all the calculations you need to model a Passivhaus project. But the PHPP gives you only a static look at what’s going on. WUFI Passive incorporates the hygrothermal modeling of WUFI along with the load calculations necessary for Passivhaus design. (Be sure to see Adam Cohen’s quote about PHPP below.)

PHIUS certifies Passivhaus projects using either tool, and you can learn more about the dynamic modeling of WUFI Passive at the passive house conference in California.

5. We have a pirate!

OK, Adam Cohen isn’t really a pirate. Anyway, he denied it when Joe Lstiburek asked him if he was one last year at the conference. But he is one smart and committed Passivhaus designer in Virginia. You can read a bit about him in this article by Martin Holladay, which is also where the following quote comes from:

“There are tons of things in the PHPP that I don’t agree with. I know that a building doesn’t work with the PHPP defaults. Energy modeling is 25% science, 25% experience, 25% art, and 25% voodoo.”

What more do you need! The 9th annual North American Passive House Conference is really where it’s at! And of course the Bay Area is a lovely place to visit, too.

See you there!

Allison Bailes of Decatur, Georgia, is a speaker, writer, energy consultant, RESNET-certified trainer, and the author of the Energy Vanguard Blog. Check out his in-depth course, Mastering Building Science at Heatspring Learning Institute, and follow him on Twitter at @EnergyVanguard.

7 Comments

  1. User avater GBA Editor
    Martin Holladay | | #1

    Two Passivhaus conferences in September
    As Allison points out, there will be two different Passivhaus conferences in the U.S. in September.

    Allison will be attending the September 10-14 conference in California; I hope he will report on the proceedings in a blog for GBA.

    I will be attending the September 22-23 conference in Maine -- the one with the keynote address by Wolfgang Feist -- and will report back to GBA readers on the goings-on there.

  2. Peter L | | #2

    Timing
    At least they didn't schedule both conferences on the same week. This way one can attend both if they choose.

  3. Malcolm Taylor | | #3

    Peter
    Wouldn't it have been more fun if they were scheduled at the same time in the same conference centre?

  4. Jin Kazama | | #4

    all we care about is :
    PHIUS new climate dependent standard and its new rules .

    You shall be judged by your actions :)

  5. User avater GBA Editor
    Allison A. Bailes III, PhD | | #5

    Response to Malcolm Taylor
    Hey, maybe you've hit on something there. It seems that the two groups aren't willing or able to reunite, but maybe we could hold a joint conference for the good of the movement. I know people who go to both, or would like to, so this could be a way to bring everyone together without exhausting their finances. There are a lot of obstacles to overcome to make this happen, but stranger things have happened.

  6. User avater
    Bronwyn Barry | | #6

    Meeting at PHIUS Conference?
    Hi Allison, I've just registered to attend the PHIUS conference as a North American Passive House Network representative. I would be more than happy to meet with you (and any other PHIUS/PHAUS Board member/s) to discuss ways to either cooperate or at least coexist peacefully. This is a huge continent and there is much work to do. Multiple PH organizations and events offering a diverse array of options should really be seen as a good thing.
    I look forward to the PHIUS Conference. A pirate show is always worth the price of entry. I hope he brings a parrot? :)

  7. User avater GBA Editor
    Allison A. Bailes III, PhD | | #7

    See ya there!
    Hi, Bronwyn, I look forward to meeting you next week. I've never seen Adam with a parrot, but that would definitely be cool!

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