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IDL - Bozeman eNEWS - April 2013 - Vol. 6 No. 4

Entries in LEDs (6)


USGBC MT Chapter's 2013 Annual Summit

Building Performance for a Changing Environment

May 10th-11th in Billings, MT

The annual summit is an opportunity to participate in an educational workshop and four educational breakout sessions on Friday, May 10th.   Speakers include Jacob Dunn and Lauren Hemley from IDL – Boise and Tom Wood of IDL – Bozeman.  On Saturday, May 11th, there will be a Billings green building walking tour.

IDL – Boise’s Jacob Dunn and Lauren Hemley are teaching a climate design workshop.  This workshop introduces analytical climate design tools to implement passive design strategies and ensure optimum building performance for specific climates.  The following analyses and strategies will be covered during the workshop: peak cooling calculation, heating energy use, balance point calculation, cross and stack ventilation, night flush ventilation, and passive solar analysis.

IDL – Bozeman’s Tom Wood will be giving a presentation on advancements in LED lighting. Tom’s course will provide a history and basic anatomy of this lighting strategy, and overview the performance characteristics of LED’s verses standard light sources.  He will then describe the system components that are necessary for proper operation and control, as well as an overview of the appropriate application and the unique design considerations of LED’s.

These are just two of the many presentations at the summit.  Check out the USGBC Montana Chapter Website for more information about registration and events.


Register Now for AIA Convention and Meeting in the Mountains!

Looking for a networking opportunity to mingle with other architects? Needing to catch up on some of your continuing education credits? Spring is here, and so are the AIA National Convention and Meeting in the Mountains!

2013 AIA National Convention

June 19th – 22nd in Denver, Colorado

The AIA National Convention offers a wide range of guest speakers, sessions, workshops, and events to attend during your stay in Denver. Pre-registration is recommended for sessions as seating will be limited.

Registration is currently open, with the Early Bird Discount deadline on April 10th.

Fees for the convention are categorized based on your registration date, and range from free events to total convention passes ($575 max. for AIA members, $945 max. for nonmembers.) Students, AIAS members, and young professionals under age 40 will be eligible for discounted passes, and new AIA members can attend the convention for free! The complete breakdown of prices and fee deadlines can be found on AIA National Convention website.

For more information about the conventional, as well as housing and travel information, check out the AIA National Convention website.


Looking for something a little closer to home? Meeting in the Mountains is happening in Billings this year!

2013 Meeting in the Mountains

April 25th – 27th in Billings, MT

The three day event includes guest speakers Patrick Tighe, Jonathan Segal, and Craig Hodgetts, workshops, and sessions - all of which count towards continuing education credits and offer the latest information about a wide range of topics.

IDL – Bozeman’s very own Tom Wood will be giving a presentation on advancements in LED lighting, so you don’t want to miss out!

Registration is currently open, with fees listed as $100 for members and $35 for students. Some meals are included within registration fee.

Check out the Billings Architectural Association website for more information about registration and events.


Article Review: “The Light of the Future? Not So Fast”

“One thing that’s clear... LEDs have a long list of unknowns that need to be explored.”

The November 2008 issue of Lighting Design + Application (LD+A, The magazine of the Illuminating Engineering Society of North America) published an article about some of the concerns with LEDs. In the article, four attendees of the March 2008 Lighting Designer Roundtable on Solid-State Lighting shared their thoughts on LEDs. While each person had a slightly different view, everyone highlighted repairs and replacements as a prominent issue. LED manufacturers currently do not design their fixtures for lamp or luminaire swaps. Instead the entire fixture must be replaced. In fact, one designer mentioned that one type of fixture can be specified for a project, and a year later when the project is built, that fixture could be unavailable and another must be used in its place. Manufacturers currently do not continue products for more than a few years. Other concerns included: lack of standardization, inconsistencies with life and color, accurate measures of the sustainability of the fixtures, and space and accessibility needed for repair and replacement.

Based on Article: “The Light of the Future? Not So Fast” by Rebecca Falzano, LD+A, IES, Nov 2008, p. 47-50.

Article Review: "Gateway to Success?"

In the November 2008 LD+A issue, James Brodrick discusses some recent US Department of Energy (DOE) demonstration projects where LEDs are being tested for energy performance and perceived light quality.

  1. The Minneapolis I-35W Bridge that collapsed in August of 2007 is now rebuilt and has LEDs illuminating its spans. High-pressure sodium fixtures still light the entrance and exit ramps.
  2. Two showcase homes in Springfield, Oregon compare BR30 incandescents and PAR38 halogens with comparable LEDs.
  3. Providence Portland Medical Center in Oregon has replaced some of its high-pressure sodium fixtures with LED lights in its garage.

Overall at each site the LEDs are better than the baseline fixtures. However, it will be a few years before we will really know the potential in savings and performance of LEDs.

To learn more about the DOE Gateway demonstrations, go to: www.netl.doe.gov/ssl/techdemos.htm

Based on Article: “Gateway to Success?” by James Brodrick, LD+A, IES, Nov 2008, p. 52-57.

Article Review: “Lighting Up the Holidays: An Energy Cost Comparison”

Mel Kotur, Customer Relations Manager for NorthWestern Energy, covers LED Christmas lights in the November 17 edition of Energy Management Solutions (NorthWestern Energy eNewsletter). At the beginning of the article, he highlights three key points:

  • “Holiday lights come in a range of energy use, from 0.04 watts to 10 watts per bulb.”
  • “LED bulbs are available and consume less than 10% of the energy of minature lights.”
  • “The seasonal cost for operating one yard inflatable is 1/3 to 1/2 the cost of powering 10 sets of miniature lights.”

In the article he gives a simple way to calculate energy usage for Christmas light strings:

  • kWh (per month) = W/bulb * # bulbs * # hours used (5 hours/day * 30 days = 150/month)
  • COST (per month) = kWh * # strings * residential rate

He then highlights the energy cost for several types of lights. Here is a summary of his examples:

Based on Article: “Lighting Up the Holidays: An Energy Cost Comparison” by Mel Kotur, Energy Management Solutions, NorthWestern Energy, Nov 17 2008.