Talk:Zero-energy building

NREL Definition

Anyone interested in this topic should consider reading the definitions as viewed by our own National Renewable Energy Laboratory (NREL). http://www.nrel.gov/docs/fy06osti/39833.pdf I found it quite interesting and not entirely intuitive. As an energy engineer working to describe energy consumption in buildings, I don't readily agree with their definitions in quantifying Site and Source ZEBs. It is apparent for there to be an agreed upon definition as we move toward powering down our infrastructure! Hydronics 05:02, 6 August 2007 (UTC)

Solar hot water

Is "Zero energy building" a general term for any building that meets the definition of needing zero net external energy supply, or does it describe a particular design or set of designs?

If it's a general term, then solar hot water deserves a mention. --Singkong2005 04:14, 5 June 2006 (UTC)

Problem with Zero Carbon Building being redirected to this article

There's a problem with Zero carbon building being redirected to Zero energy building. A zero energy building is different from a zero carbon building in important ways. Whereas the U.S. focus is on energy security (and hence zero energy building), much of the rest of the world is focused on climate change and carbon emissions reduction (and hence zero carbon building). So, the intro to this article currently reads:

A ZeroNet Energy building (ZNE) or net zero energy building is a term applied to a building with a net energy consumption of zero over a typical year. In other words, the energy provided by on-site renewable energy sources is equal to the energy used.

Whereas a zero carbon article might be introduced with:

A zero carbon building is a term applied to a building with zero net emissions of Carbon Dioxide (CO2) from all energy used in the building's lifetime. In other words, any carbon-based energy consumed to build and use the building is minimised by energy efficient construction and offset by on-site production of carbon-neutral energy (typically 'renewable energy').

There are in fact about four subtly different definitions to do with construction, embodied energy and energy sources (net zero source energy, net site energy, net zero energy cost, and net zero energy emissions) but the point of the above is to illustrate the important difference between zero carbon and zero energy. So how do we go about formally suggesting a split? -Christiaan 19:54, 28 February 2007 (UTC)

You are right - the various definitions were not made clear, and the introduction had a European bias. I've added a new section on the various definitions, and changed the intro to address this.

If you have more information to include on zero carbon buildings, you could add this under the definition or, if you have enough information for a new article, I suggest to add a link to the words zero carbon building in the definitions section, and go ahead and write the article in place of the redirect page.

Gralo 13:33, 1 March 2007 (UTC)

Reply

See Zero-Net-Energy USA Federal Buildings = Zero Emissions Escientist (talk) 15:43, 13 May 2011 (UTC)

POV

Under "Potential advantages of ZEB" it is listed "increased comfort due to more uniform interior temperatures". Considering this an advantage or comfort seems very POV to me. Not everyone likes a dull uniform climate, so it could be listed under disadvantages as well. For example, bedrooms are often wanted to be cooler than the rest of the building. Also building interior climate reflecting changes in outside climate can be desirable to not completely dissociate oneself from the nature, as seems to be the case in these "machines for living in" of the arrogant modernist ideal. (Often AC is actually used to make buildings colder than normally when it is hot outside, creating a huge temperature gradient causing a "cold sweat".) —Preceding unsigned comment added by 217.112.243.2 (talk) 16:04, 20 October 2007 (UTC)

Overhaul of several sections needed.

The Energy Generation vs Energy Conservation, Energy Generation, and Design and construction sections are disorganized and questionably referenced (or unreferenced) in parts. The ZEB process could be outlined with one section on lowering building energy use and one on energy generation, then with a generation vs conservation section, too, discussing the balance between those two. Or, one section "ZEB Design and Construction" or whatever, would include sections on those two main parts of ZEBs, energy conservation and generation. I'm happy to rework it, but I probably won't provide a full account of ZEBs because I am only familiar with US zero energy homes, especially hot-humid climate energy conservation. Anyway, please provide some thoughts. Muffinon (talk) 05:41, 8 March 2008 (UTC)

Generalized ZEB info

Also, it would be nice to have some info supporting general construction practices for zero-energy buildings. Right now there are some general, unsupported statements in the generation vs conservation section, and many singular references throughout. Info from an organization that has done studies on many ZEBs would be ideal. But maybe I'm asking for the impossible :) Muffinon (talk) 05:41, 8 March 2008 (UTC)

This page needs information on embodied carbon in building

"BedZED zero energy housing in the UK" at the start of the page is misleading. BedZED was a valuable experiment. A great part of this value was the embodied carbon calculations done by one of the project initiators, Bioregional [1]. They say

However, as this report shows, the embodied environmental impacts of BedZED’s construction materials are within the same range as standard UK housing. The total embodied CO2 of BedZED is 675kg/m2, whilst typical volume house builders build to 600-800kg/m2. Despite the increased quantities of construction materials, the procurement of local, low impact materials has reduced the embodied impact of the scheme by 20-30%.

A 100 square metre flat in BedZED has embodied carbon of 67.5 tonnes CO2e. The average UK citizen creates 11 tonnes of Carbon Dioxide (CO2e) a year (according to UK Government figures). New UK targets aim to cut this by 80%. For the sake of argument divide this target equally between categories "consumables", "building", "transport" and "government" and treat them as carbon rations. This gives the ration for building as 500kg per person per year. For two people living in a 100 square metre flat 67.5 tonnes CO2e is 33+ years of their building ration. That's before the flat is heated and all the other necessary buildings (shops, offices schools etc) are considered.

The embodied carbon in buildings is a very big issue and should have a significant place here.

RedParasol (talk) 04:24, 7 September 2009 (UTC)

References

Construction

I am begining the design phase of a zero energy home for construction to begin in 2011. It will be build in a cold climit. Will add to this page as I research this topic area.Doc James (talk · contribs · email) 18:46, 25 April 2010 (UTC)

Transmission losses

The article gives a figure of 7% but http://upload.wikimedia.org/wikipedia/commons/4/4e/USEnFlow02-quads.gif looks more like 2/3 of electrical energy is lost. Rich Farmbrough, 19:57, 26 July 2010 (UTC).

Why was this Michigan Project Removed?

Michigan

• The Vineyard Project is a Zero Energy Home (ZEH) thanks to the Passive Solar Design, 3.3 Kws of Photovoltaics,Solar Hot Water and Geothermal Heating and Cooling. The home is pre-wired for a future wind turbine and only uses 600kwh of energy per month while a minimum of 20 kWh of electricity per day with many days net-metering backwards. The project also used ICF insulation throughout the entire house and is certified as Platinum under the LEED for Homes certification. —Preceding unsigned comment added by Blittled (talk • contribs) 17:50, 3 August 2010 (UTC)

I removed it because it was an external link to the project site without any corresponding independently written reliable sources. - MrOllie (talk) 18:06, 3 August 2010 (UTC)

Removed again. Blogs are not reliable sources, please read the guideline. - MrOllie (talk) 14:04, 4 August 2010 (UTC)

Net vs. Zero Energy

I am having a problem with the intuitive difference between "net zero energy" and "zero energy," but am not an expert nor do I have the time to research who is doing what with the technical terminology.

Intuitively, it seems to me that a zero-energy home would have no outside inputs, rather than offsetting inputs. For example, a home that uses natural gas for heating & cooking should not be called zero-energy — even if there is enough equivalent excess PV-made energy to make up for it. That makes sense for the terminology "net" but not "zero."

"Off-grid" cannot substitute for what I think of as "zero energy," because the traditional usage of the term "off grid" can include energy input such as delivered propane.

Since talk pages are supposed to include a proposal, I propose, then, that there be a differentiation between "zero energy" and "net zero energy" per above.

SolarBozo (talk) 19:13, 23 September 2010 (UTC)

Merger proposal

Not sure the content at Zero Energy Design is unique enough to warrant its own article. -- Avanu (talk) 22:29, 27 March 2011 (UTC)

Merger Proposal Formal Response

I am Wikipedia ID "Escientist" - Larry Hartweg ZEDmaster@ZeroEnergyDesign.com I've made many previous Creative Commons contributions to Wikipedia over the years, including "Zero energy building" and multiple related articles.

Zero Energy Design deserves its own unique Wikipedia entry:

Zero Energy Design is NOT a subset or offshoot of Zero energy building - The opposite is true.

Zero energy building was a Wikipedia generalization that was created to avoid infringement of my existing www.ZeroEnergyDesign.com website, and my "Zero Energy Design®" common law "TM" trademark, (which is now registered with the U.S. Patent and Trademark Office - Serial #77676226, Registration #3727589).

I owned the legal right to define "Zero Energy Design" long before Zero energy building appeared in Wikipedia.

Zero energy building was created by newcomers to the field who respected my proprietary legal trademark rights.

At the President-Carter-era 1980's National Energy Expositions with support from the new U.S. Department of Energy, I became the largest exhibitor, and the most-popular speaker on the topic of eliminating energy bills.

There was no widespread use of Internet available to document the 1980's National Energy Expositions. Internet Worldwide Web evolved at the end of the 20th century, and I created www.ZeroEnergyDesign.com.

My original book on the subject has evolved into 5,000+ pages of materials.

I defined the Zero Energy Design "Holistic Systems-Integration Engineering Process" for use in my own 5,000 sq.ft. passive-solar-heated-and-cooled home in 1979 - Before most of today's "zero energy" newcomer pretenders were born.

Many young people who now use the term "zero energy" incorrectly seem to NOT understand what "ZERO" means. They falsely apply the term "zero energy" to a fractional reduction of energy bills. They design in home appliances that burn things, and terrible fireplaces, all of which violate Zero Energy Design first principles.

They are free to do whatever unsustainable environment-damaging things that they want, but NOT to call it “Zero Energy Design.”

I placed Zero Energy Design on Wikipedia for historical perspective on what the Seven Zero Energy Design® Characteristics really are - beginning with ZERO energy bills, and ZERO emissions. It should be made clear that anything with any net annual energy bills, OR any polluting emissions should not be labeled Zero Energy.

Recently, there have been multiple illegal infringements of "Zero Energy Design" on the Internet. Almost all of them violate at least one of the Seven Zero Energy Design Characteristics. (I'm trying to deal with trademark infringement, but legal matters do take time.)

I alone have the U.S. Federal-Government legal right to uniquely-define the meaning of my "Zero Energy Design" registered trademark.

Zero energy building significantly dilutes the original meaning of my DOE/ORNL-supported "Zero Energy Design®"

Zero Energy Design is clearly NOT part of the newcomer term Zero energy building

Escientist (talk) 19:12, 28 March 2011 (UTC)

I am hopeful that you understand that you cannot both place the content of this into a Creative Commons deed *and* entirely control what people say about it. -- Avanu (talk) 19:56, 28 March 2011 (UTC)

Someone speedily deleted the original article. Escientist recreated it with new capitalization. Likely to be redeleted, so who knows. Interested editors, please comment, thanks. -- Avanu (talk) 15:45, 19 May 2011 (UTC)

Googleplex

I was just passing through and noticed that on the paragraph for the Google headquarters... someone added the words "NOT ZEB. REMOVE THIS PARAGRAPH."

I didn't think that was the appropriate way to get an error corrected so I'm bringing it to the attention of the discussion board here.

Crk112 (talk) 01:53, 24 April 2011 (UTC)

I went ahead and removed the vandalism but left the Googleplex paragraph. Crk112 (talk) 01:40, 21 May 2011 (UTC)

Copyright problem removed

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Canada Section

I've added two new updates to the Canada section of this page, on Canada's Buildings Strategy and the BC Energy Step Code, which serves as a policy pathway to net zero ready new buildings in that province.

Can I recommend deletion of the long, needlessly specific 2013 entry in the Canada section, referencing an obscure announcement by a former prime minister. It is very dated material about an announcement that was never updated with the actual results.

Jamesglave (talk) 00:37, 11 April 2018 (UTC)

Why was the book "The Power of Existing Buildings: Save Money, Improve Health, and Reduce Environmental Impacts" removed?

I added the book "The Power of Existing Buildings: Save Money, Improve Health, and Reduce Environmental Impacts" to the further readings section as it is the most up to date book on this subject matter and is extremely helpful for those trying to learn more about Zero-energy buildings and their impacts.

Can someone please inform me as to why this pertinent information was removed from this page? I am brand new to wikipedia and still trying to get a grasp on how to successfully edit.

Zmlutz15 (talk) —Preceding undated comment added 18:39, 9 July 2020 (UTC)

@Zmlutz15: If you click the "view history" tab there is a comment from @Adolphus79: that they think you have a conflict of interest (see Wikipedia:Plain and simple conflict of interest guide). Adolphus79 - can you explain why the note on Zmlutz15 user page about meeting and taking courses from someone is sufficient conflict of interest? Or is there more? Chidgk1 (talk) 09:13, 6 November 2020 (UTC)

This is a months old statement, already discussed back in July here... - Adolphus79 (talk) 15:20, 6 November 2020 (UTC)

Thanks for quick reply. @Zmlutz15: I assume you have the book. Is there a specific fact in it which can be cited to improve the article? Also should some or all of the existing "further reading" be deleted as out of date? Chidgk1 (talk) 16:55, 6 November 2020 (UTC)

Net Zero High Rise Buildings

Hi we are a group of four college students doing research on net-zero high rise structures and we would like to contribute to this wikipedia page as we do research.

Great. If you have no connection with the author of the book above maybe you would like to comment on whether it should be added to "further reading". Also if any of the "further reading" is out of date it would be good if you could delete them.

@Esther320, Anniekch, Jonasbur, and AndreQu: Also do you think Zero carbon housing should be merged into this article?

Chidgk1 (talk) 09:25, 6 November 2020 (UTC)

Wiki Education assignment: Research Process and Methodology - SP23 - Sect 201 - Thu

This article was the subject of a Wiki Education Foundation-supported course assignment, between 25 January 2023 and 5 May 2023. Further details are available on the course page. Student editor(s): 77xsy (article contribs).

— Assignment last updated by 77xsy (talk) 16:41, 4 April 2023 (UTC)

This Page needs more examples of ZEB

We need the actual building to show what is ZEB. Positiveintae (talk) 09:00, 26 August 2024 (UTC)