[Bldg-sim] General query - impact of location on energy demand

[Jim Dirkes]

Jeetendra,
My opinion regarding your question: No (Impact of location on energy is not specially relevant.)

I wonder about your assumptions: I’ve seen sources which say that the globe has not warmed in over a decade.  This is different than many climate models’ predictions and suggests that we don’t understand very well the impact of humans on the globe’s climate. One of my ardent wishes is that the climate discussion would become more scientific and less political.  At the moment, it seems hard to filter data from polemic.
I think it is very important to use resources wisely for a variety of reasons other than “climate change”, but principal among them is to promote human flourishing.  Energy is a GOOD thing and even has a strong correlation to health and prosperity; limiting it’s availability, as has been part of recent discussion in the US, for many parts of the world might mean that they remain without refrigeration or reasonable heating and cooling  – not so good for those people’s health and well-being.  Wasteful use or polluting are a different matter than thoughtful use.  I haven’t thought this through in great detail, but it seems that wise use of energy in one country makes more available for others at lower cost.  I like that thought.


James V Dirkes II, PE, BEMP, LEED AP
www.buildingperformanceteam.com<http://www.buildingperformanceteam.com/>
Energy Analysis, Commissioning & Training Services
1631 Acacia Drive, Grand Rapids, MI 49504 USA
616 450 8653

From: Bldg-sim [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Javed Iqbal
Sent: Thursday, September 25, 2014 1:12 PM
To: Jeetendra Kumar
Cc: bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] General query - impact of location on energy demand

I would recommend referring following research papers on comfort benchmark worldwide. These are available on Elsevier:

Comfort assessment in the context of sustainable buildings: Comparison of simplified and detailed human thermal sensation methods

Thermal comfort conditions in sustainable buildings e Results of a worldwide survey of users’ perceptions



On Thu, Sep 25, 2014 at 9:58 PM, Jeetendra Kumar <jitendra_kr at hotmail.com<mailto:jitendra_kr at hotmail.com>> wrote:
Hi All,

Thank you for the responses.

Brian: your reply shows a comparison which I was looking for, although the data you shared seems different from what's available from EIA and Eurostat.

Jim: Thanks for pointing out the "comfort expectations" aspect. This adds a dimension that seems difficult to analyze - gap analysis for different locations. Please share if you can suggest any source for comfort benchmarks.

Shanta: for conciseness, I'd skipped what you pointed out, but sure this has to be accounted for. Thanks for pointing this out. Also, for suggesting the ASHRAE tables and the link.

Jeremiah: didn't know about the link. Thanks. Shall try checking that soon.
Well, I would like to ask you the following question(the reason for my earlier questions):

Do you think our understanding of the impact of location on energy and emissions, esp due to natural factors, can be used for planning where should we build cities in future, to fight global warming?

For now, just a no/yes is fine.

Looking forward to your views.

Sincerely,

Jeetendra.
________________________________
From: jcrossett at phasechange.com<mailto:jcrossett at phasechange.com>
Date: Wed, 24 Sep 2014 10:15:57 -0700
To: bldg-sim at lists.onebuilding.org<mailto:bldg-sim at lists.onebuilding.org>

Subject: Re: [Bldg-sim] General query - impact of location on energy demand
If you do not already know about this- there is a weather related comfort tool called climate consultant that you may want to look into. It uses EPW files and shows general passive design strategies effectiveness.  http://www.energy-design-tools.aud.ucla.edu/climate-consultant/request-climate-consultant.php




​​
Jeremiah D. Crossett  | Senior Analyst  | LEED Green Associate
​​
120 E. Pritchard St.  | Asheboro, NC 27203
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On Wed, Sep 24, 2014 at 10:00 AM, Jim Dirkes <jim at buildingperformanceteam.com<mailto:jim at buildingperformanceteam.com>> wrote:

In addition to Shanta’s comments, consider that “comfort” is not the same around the world.  I spoke with a colleague not long ago who indicated that 30C was acceptable for many buildings in Pune, India.  That is not true for most of North America!  Other countries will probably also have differing comfort expectations.



James V Dirkes II, PE, BEMP, LEED AP
www.buildingperformanceteam.com<http://www.buildingperformanceteam.com/>
Energy Analysis, Commissioning & Training Services
1631 Acacia Drive, Grand Rapids, MI 49504 USA
616 450 8653



From: Bldg-sim [mailto:bldg-sim-bounces at lists.onebuilding.org<mailto:bldg-sim-bounces at lists.onebuilding.org>] On Behalf Of Shanta Tucker
Sent: Wednesday, September 24, 2014 12:46 PM
To: Jeetendra Kumar; bldg-sim at lists.onebuilding.org<mailto:bldg-sim at lists.onebuilding.org>
Subject: Re: [Bldg-sim] General query - impact of location on energy demand



Jeetendra,



For item 2, I suggest that you review a table of heating and cooling degree days. These tables are published in the ASHRAE Handbook of Fundamentals and include cities from all over the world. The cities with the lowest of each will form the answer to your question.



For item 1, I recommend that you revise your question as it is not possible to build the same building in every climate. Different countries/cities have building codes that would restrict you from doing so. But if you want to have some fun, you could take the prototypical building models and simulate them for the different cities you are interested in. http://www.energycodes.gov/commercial-prototype-building-models





--

Shanta Tucker, PE, LEED AP BD+C, ASHRAE BEMP

Associate Director



Atelier Ten

Environmental Design Consultants + Lighting Designers



45 East 20th Street, 4th Floor

New York NY 10003

T +1 (212) 254 4500 x 210

F +1 (212) 254 1259

shanta.tucker at atelierten.com<mailto:shanta.tucker at atelierten.com>



www.atelierten.com<http://www.atelierten.com>



From: Bldg-sim [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Jeetendra Kumar
Sent: Wednesday, September 24, 2014 12:11 PM
To: bldg-sim at lists.onebuilding.org<mailto:bldg-sim at lists.onebuilding.org>
Subject: [Bldg-sim] General query - impact of location on energy demand



Hi All,



Please share your answers to/views on the following queries.



1. How significant is the impact of location - different continents/countries - of a building on its energy demand? You may assume these are similar to each other on all aspects except for their location. Please share any examples, if possible, e.g. Sweden versus Texas.



2. Could you cite examples of cities where the natural weather, for maximum possible days, is comfortable for humans. So, cities where least possible heating and cooling is required.



Regards,



Jeetendra.

India.



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--

Javed Iqbal, LEED AP, CEA
Sr. Energy Analyst
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