One of the most important things to keep in context within the framework of this class is, how does this standard relate to the other systems, standards, and methodologies we’ve seen?  Observe:

• ENERGY STAR:  This government-sponsored system is used widely by building professionals and manufacturers.  But, it is somewhat unwieldy with lots of checklists and tools and has been rejected in multiple jurisdictions for being too complicated.
• State programs and codes: There are too many of these to mention, and they range from prescriptive to performance, regulations to codes.  Standards vary from place to place and can be quite helpful in certain areas – if you know how to take advantage of them.
• Architecture 2030:  This organization sets ambitious goals but provides very little framework for how to get there.
• LEED:  This large and dense standard has achieved what we might call “market transformation” due to its position as THE green building benchmark.  But, to achieve certification you must wade through mounds of paperwork and fork out lots of money.
• Passive House:  This simple and straightforward standard places a premium on high performance, but is perhaps not as comprehensive as some of the other systems.

In contrast, the Living Building Challenge asks the question, “what if every single act of design and construction made the world a better place?”.  With the LBC, the ideal outcome IS the goal, and there are no choices about whether or not you follow the “imperatives”.  If you are trying to reach Living status, you either “go big or go home”.

This brings me to our field trip last week, the last one of the quarter… we are so fortunate in Portland to live in a community that places such value on sustainable living.  We have not just one but THREE Living Buildings in the works in the city of Portland!   The Oregon Sustainability Center, when it is built, will likely be the greenest high-rise ever built and reassert Portland’s status as a global leader in the green design community.  The Key Delta Living Building in North Portland will be a phenomenal resource to its community once it is fully transformed from the gas station it used to be.  But, as great as those buildings will be, they are not built yet.

The Living Building that IS built, or I should say nearly finished, is the commons, a two-family home in SE Portland that is a labor of love for the brothers building it.  Sticking to the integrity of the Living Building Challenge has been a – dare I say – challenge for the owners, but they have come a long way and will have one of the greenest houses in the land when they are done.  We had a good time on this field trip, and even took a class picture!

In discussing the Passive House standard, we learned that there are probably as many as 25,000 Passive House structures all around the world, the majority of which are in Europe, and only a handful of which are in North America.  One of these buildings is the Smith House in Urbana, Illinois, the first Passive House built in the U.S. in 2003 by Katrin Klingenberg, who literally wrote the book on Passive House.  Another Passive House is the University of Illinois at Urbana-Champaign’s Solar Decathlon house from 2009, also known as the Gable Home.  This house came in second in the 2009 Decathlon to Team Germany, who won their second Decathlon in a row.  We took this opportunity to talk about the technology and building science on display at the Solar Decathlon, and how great an event this is for green home designers and enthusiasts alike.  You can see more photos and read about my thoughts from immediately after the last event here.

from the Solar Decathlon 2009

Finally we got to the issue of our field trip this week to the Everhart Passive House in SE Portland.  The Everhart family has put a lot of time and effort into the retrofit of their house into a Passive House, and they are extremely generous for opening their home to our class.  For Assignment #5, we’ll be modeling the Everhart home using the Recurve modeling tool. Students are encouraged to bring a tape measure and their sketchbooks, and to “divide and conquer” spaces in the home to find inputs for all the rooms in the most efficient way possible.  See you at 10:30 on Thursday morning!

One of the most common questions I heard from the students during the midterms was, “What are your expectations for us to come up with the right answer?” To which I say, this project and this class are not so much about getting THE right answer THE first time around,  as it is about getting AN answer.  The purpose of the term project is in fact to come up with multiple answers and then compare them with historical data to see how that building stacks up.  Energy modeling tools are imperfect creations… no single entity has a lock on how to calculate the energy consumption of even the smallest home, let alone a large commercial building.  So often, to paint a more accurate picture of a building’s energy consumption, we use multiple tools and then parse out what worked and what didn’t work.  The good news is, working with multiple tools not only gives us results that we can compare, it also offers the students the opportunity to gain experience on programs they may have never had the chance to use before.

And so it came to pass that we had a mid-term review in an architecture school in which everyone was encouraged to keep experimenting and make mistakes! Which in eQUEST is very easy to do  :)   I am really pleased so far with the class’s investment in this project and happy to see the gears turning in their heads, especially since so many engineers and other building professionals think that architects “don’t care” about the systems and the energy consumption of the buildings that they design.  Architects care, for sure, it’s just that often we aren’t given the means to understand and work with this information.  Hopefully this class is a small but serious step on the road to changing that.

The amount of federal money spent on the DOE and EPA in 2011

We went on to talk about the biggest programs administered by the EPA and DOE, including ENERGY STAR, WaterSense, BetterBuildings, Building America, and most recently, the DOE’s Home Energy Score.  The Home Energy Score is the latest in a long line of attempts at “labeling” buildings or homes.  Labels have been used for years successfully on things like food for nutritional information, and cars for miles per gallon, so labels for homes are often described using these analogies – a Home Energy Score describes the energy “content” (consumption) of a home in the same way that nutritional labels describe the energy content of food.

Nutritional labels describe energy content in food...

...just like Building or Home Energy labels describe energy consumption of buildings.

This Thursday we’ll be going on a field trip to the Water House, 1616 NE 140th, Portland, just north of Halsey.  The Water House is the first WaterSense certified home in Portland, as well as an ENERGY STAR certified home and an Earth Advantage Platinum home.  On this field trip, students will also be gathering information for Assignment #1: use the EnergySavvy online tool to create a basic energy label of the Water House. It is a good idea to go through the EnergySavvy portal once, say with your own house, to get used to the inputs the tool asks for.  Once students have gone through the EnergySavvy online assessment tool, they are to take a screen shot or create a report of the results and put it in their assignment binder.

Our first field trip and our first real assignment!  The EnergySavvy online tool is a great “icebreaker” to become familiar with the idea of gathering inputs for energy audits and energy modeling.  Next week we’ll talk more about labeling within the context of state and local codes and programs.

1. The oil leak that is destroying the Gulf of Mexico. Duh.
2. The likelihood of a major earthquake striking the Pacific Northwest in my lifetime. Let’s be honest:  I love my new adopted city, and I’m not leaving anytime soon.  But I am also probably not going to buy a brick or stucco house in this city, not unless it’s been seismically reinforced, or one story (but what’s the fun in that?).  The last time a major earthquake struck here was in 1700, and obviously the city was mostly settled after that, so many modern buildings were built in the absence of a strong seismic code.  And the chances of a big one hitting are pretty high.  Like, 4 in 10 high.  D’oh!
3. Jevons paradox and Khazzoom-Brookes postulate. Before you get all excited that I’m using strange, big words that you’ve never seen before, check out the Wikipedia articles that I linked to and then come back.  You’ll see that the two concepts are very similar in nature, and that they both allude to one thing: the idea that the more we increase efficiency of technology or energy, the more we consume as a society.   So you can imagine, then, why this might keep me up at night… I work for an energy efficiency company!  Our whole job is to increase the efficiency of buildings and help you save energy, and therefore money.  But I can’t help you save money if – as these concepts state – you end up increasing your consumption because you are saving money.  So, I will beg of you this:  do not become a statistic!  Don’t succumb to these concepts!  Please let me help you save money!
4. And finally, Hovershark.  I mean, seriously.  What the heck is this?!?  Are they evolving that quickly?!  I only live an hour and a half from the ocean, can they hover that far?!?  :)

image courtesy of www.warrenellis.com

• 3,060 unique visitors
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• visitors from 91 countries/territories!

Oh how I love statistics.  But let’s see what our top ten countries sending visitors were:

1. United States (duh)
2. United Kingdom
3. Canada
4. China
5. South Korea
6. Malaysia (that’s a cool surprise!)
7. India
8. Australia
9. Spain
10. Turkey

Welcome to all my international visitors, wherever you live!  And to those of you who actually pay attention on the occasions when I post something of value, I’m going to give you a little bonus tidbit:

Check out this article on Treehugger about the zero-landfill Subaru plant in Indiana.  I know I’ve been threatening to write a post about used cars, and I probably will here soon, but reading this article about the Subaru plant gives me warm fuzzies and actually makes me open to the possibility of getting a new car at some point.  Of course living in Oregon means that if I bought a new Subaru, I’d fit right in.  Now just make it electric and give me a wind turbine to plug it into, and I’ll be all set.

I think that Daphne (my bike, above) and Ruby (Erin’s bike, below) would get along well, should they ever have the opportunity to cruise together in person.

Soooo, I know I said that LILAWAC was retired before… consider this post my official passing of the torch and an un-retirement party 

Please visit Erin’s first post here to wish her luck, and don’t forget to add LILAWAC to your RSS feeds!

Briefly, I wanted to pass on a link that a friend of mine stumbled upon:  it’s a study conducted by Maastricht University, the Netherlands, and the University of California, Berkeley which determined that

“…Buildings with a high Energy Star rating are attracting rental premiums of three percent per square foot compared with non-green buildings of the same size, location and function…”

I mean, how do you like them apples?!  The study, entitled “Doing Well by Doing Good?“, provides the first credible evidence of the economic value of energy efficient buildings in the commercial sector by showing that the “greener” buildings were able to charge a premium on rents over more “standard” buildings, aka energy hogs.

Check out the study!  And if you have time, peruse the RICS Research page, there are some other great studies* about buildings on there, including one that poses the question, “Can building codes deliver energy efficiency?”

*Maybe I’m the only one that thinks these are cool.  Oh well.

Well, that may soon change, at least a little bit.  Enter the HOME STAR Jobs Bill.   HOME STAR provides two paths for consumers to save energy in their homes (from their Web site):

1. The Silver Star prescriptive path provides a near-term incentive for specific energy saving investments that is simple to administer and easily introduced into the existing marketplace. Homeowners receive between $1,000 and $1,500 for each measure installed in the home, or $250 per appliance, with a benefit not exceeding $3,000 or at least 50% of total project costs (whichever is less). Covered measures include air sealing; attic, wall, and crawl space insulation; duct sealing or replacement; and replacement of existing windows and doors, furnaces, air conditioners, heat pumps, water heaters and appliances with high-efficiency models. The legislation will utilize existing standards for qualifying products at a level sufficient to significantly increase consumer demand for highly energy efficient building materials and mechanical systems.  SILVER STAR improvements may be implemented by any appropriately licensed and insured contractor, but all participating contractors will receive information about opportunities for accreditation and training programs.
2. The Gold Star performance path offers an incentive to households that choose to conduct a comprehensive energy audit and then implement a variety of measures that are designed together to provide greater total returns in energy savings. This performance path represents the future of home efficiency: state-of-the-art building science is used to identify problems, present solutions and deliver verifiable energy savings, generating confidence among homeowners and investors alike. This technology-neutral approach is based on performance, not specific products, so market forces will direct funds to solutions that achieve the best results. A certified professional with accreditation from the Building Performance Institute (BPI), the Residential Energy Services Network (RESNET) or an approved equivalent conducts an energy audit before work begins, and a test-out when the performance retrofit is complete. Consumers receive $3,000 for modeled savings of 20%, plus an additional $1,500 incentive for each additional 5% of modeled energy savings, with incentives not to exceed 50% of project costs. Contractors implementing the GOLD STAR performance path must be BPI accredited.

What this means is that, essentially, if this legislation passes, millions of people will very quickly have several options available to them by which they can implement energy-saving measures in their homes by actions as simple as upgrading appliances or by doing an all-out renovation.  The bill primarily hopes to quickly create as many jobs as possible, while providing energy efficiency on a massive scale, which not only will ease the burden on our aging energy infrastructure, it will ultimately reduce carbon emissions.  (Both of which, incidentally, were the goals when I started this Web site.)  Additionally, anyone wishing to implement these measures will have financing options available to them that are guaranteed through the provisions of the bill.

Pretty neat, eh? Now we just need to hope that the legislation gets passed! If you’d like to learn more about HOME STAR, visit their Web site here.  If you’d like to join the coalition supporting it, visit the Efficiency First Web site to sign up and find out how you can contact your legislators to voice your support.  Even if you don’t own your own home or aren’t in a position to change your living situation to make it more efficient, I think we can all agree that adding a couple hundred thousand jobs during a recession to a very depressed construction market is a good idea, and making several million homes more efficient is an even better idea.   So CHECK IT OUT!!!

First of all, you may want to know what a “home energy rating” consists of.  The funny thing is, there’s actually LOTS of home energy ratings.  There’s the HERS, which is given by ResNet, which is the group hosting the conference I’m attending this week; there’s a BPI rating; there’s the ENERGY STAR designation; there’s the LEED for Homes; there’s the NAHB Green Home Standard; and I’m pretty sure there’s a few that I’m forgetting.

An example of a HERS score: image courtesy of ResNet

Each of these rating systems use a set of standards that are either administered during the construction or remodeling of the home, or they are checked after the home is completed.  To adhere to these strict standards, your home needs to have properly installed insulation, tight construction (so that your home doesn’t leak too much air),  an air/moisture barrier (again with the leakage), properly sealed ducts, and it wouldn’t hurt to have good windows, weatherstripping, very efficient HVAC equipment, and … basically your home should be a well-constructed, high-performance house.

I would regale you with the details of the various sessions that I’ve been attending but I can almost guarantee that you would get bored and fall asleep reading.  I’ve been having a hard time staying awake myself, which I attribute to the warmth of the rooms and the fact that I’m operating three hours ahead of my home time zone.  Nevertheless, it’s an incredibly informative conference and I’m getting to meet a lot of very knowledgeable people who are working to help homeowners save energy.

Now, back to watching the Olympics!