1 Solatube International, Inc., 2005 An Introduction to Solatube International’s Daylighting Solutions For Commercial Buildings Presented By: Neall Digert, Ph.D., MIES Director of Commercial Market Development - Solatube International, Inc. Keith Rowan Northern Illumination Company
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1Solatube International, Inc., 2005
An Introduction to
Solatube International’s Daylighting Solutions
For Commercial BuildingsPresented By:
Neall Digert, Ph.D., MIES Director of Commercial Market Development - Solatube International, Inc.
Keith RowanNorthern Illumination Company
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Solatube®. Daylight for everyday living.
Solatube Commercial:
The Solatube Daylight Fixture
Providing optically-controlled daylight to today’s buildings!
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Daylighting Facts
Why Use Daylighting...
Improved Staff Productivity
Increased Retail Sales
Improved Student Performance
Greater Occupant Well-Being and Satisfaction
Reduced Environmental Impact of the Building
Reduced Energy Costs
(Human Performance, the Environment, & Energy Savings)
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Daylighting Facts
Productivity Productivity gains of 6 - 16%, including decreased absenteeism and
improved quality of work. Companies spend an average of 70 times as much money (per square foot per year) on employee salaries as on energy, therefore an increase of just one percent in productivity can result in savings that exceed the company’s entire energy bill. Rocky Mountain Institute
Most schools in the Netherlands have naturally lit classrooms, less for the students than for an awareness of how important it is to maintain the most productive and healthful workplaces for teachers. An Atlanta-based research firm recently found teachers in the U.S. place similar emphasis on their work environments, with 89 percent of 1,000 public school teachers surveyed reporting that classroom design was important for teacher retention.
Increased Sales Sales in Wal-Mart’s Lawrence, Kansas store were significantly higher in the side of the
store that utilized skylights than the same products displayed at other Wal-Mart stores. As a test, products were swapped from the artificially lit to the daylit sections and those located under the skylights again had significantly higher sales while those shifted to the artificial lights returned to their national sales average. Wall Street Journal
1999 Study of chain with 108 stores where 2/3 of the stores were daylit with skylights and 1/3 were not. The daylit stores had 40% higher sales. 1999 - Heschong Mahone Group for Pacific Gas & Electric Company (www.h-m-g.com)
2003 Study of 73 store Chain in CA from 1999-2003 (24 stores with significant daylight) found daylight had the following effects: [Heschong Mahone Group for Pacific Gas & Electric Company (www.h-m-g.com)] 0-6% Increase in Sales (More Daylit Hours = More Sales), with highest =40%. During 2001 Energy Crisis, Avg. increase = 5.5%. Employees reported higher satisfaction with lighting quality. Profit from increased sales worth 19+ times value of energy savings.
Customer surveys routinely report that daylit stores appear bigger, cleaner, betterorganized and more appealing.
Improved Student Performance A recent study conducted by the Heschong Mahone Group for Pacific Gas &
Electric Company tested 21,000 students in three states and found that those in classrooms with the most daylighting scored 20% higher on math tests and 26%higher on reading tests in one year than those with the least. Heschong Mahone Group for Pacific Gas & Electric Company (www.h-m-g.com)
A one-year Swedish study of 90 school children showed that the lack of daylight can disrupt internal body clocks, resulting in significant psychological and physiological impairment. Conclusion: work in classrooms without daylight negatively influenced children’s ability to concentrate and cooperate and may eventually impact annual body growth and sick leave. National Renewable Energy Laboratory Report, “Daylighting in Schools: Improving Student Performance and Health at a Price Schools Can Afford,” 2000
Photobiologist John Nash, Ph.D., reported that hyperactive children with confirmed learning disabilities calmed down completely and rapidly overcame their learning and reading problems while in a full-spectrum lighting environment. This is the type of lighting that most closely mimics and produces the effects of natural light.
The use of natural light in classrooms reduced reported incidents of aggressive, disruptive and destructive behavior among students. International Journal of Biosocial Research
The Daylight Fixture The Solatube Daylight Fixture uses optics to more effectively collect,
redirect, & diffuse daylight.
The Optical System Captures light through UV filtering dome
with the patented Light Intercepting Transfer Device (LITD).
Brighten Up Series also has Raybender Technology, a Fresnel lens built into the dome to redirect low angle light.
Transfers light through Spectralight® Infinity tubing with ultimate specular reflectivity.
Solatube Daylight Dimmer allows the user to control light output.
Spreads light into the interior with OptiView® diffuser, reducing glare and hot spots.
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The Daylight Fixture
Engineered for Hassle-free PerformanceUV and Impact Resistant Dome for extended service life. Seamless Flashings are fabricated as a single, seamless piece to
ensure leak-proof performance available in both self flashing and curb mount.
Small 23” Diameter Roof-top Penetration fits between normal structural framing.
Compact and Adjustable Tubing fits around plenum obstructions. Installation is Quick and Easy without structural reframing, mess,
or hassle.Easily Reconfigured to accommodate future interior layout
changes.
Patented 2’x2’ transition box and diffuser panel fits a standard suspended ceiling tile grid or hard ceiling and blends with traditional lighting fixtures.
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Open Ceiling system provides fast and cost-effective daylighting solution for open ceiling applications.
Compact Size allows layout control so light can be placed and focused between racking aisles.
The Daylight Fixture
Engineered for Hassle-free Performance (Cont.)
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Choice of OptiView®, Prismatic, or Frosted diffuser technologies provides cost-effective options for providing comfortable, diffuse light into the workspace.
The Daylight Fixture
System design & installation is simple, similar to that of a standard 2x2 lensed fluorescent troffer.
Engineered for Hassle-free Performance (Cont.)
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The Daylight Fixture
Full Daylight Modulation with “Daylight Dimmer”Solatube Daylight Dimmer available in all product sizes – for 10”,
14” and 21” Solatubes.
Universal Line Voltage system with integrated transformer and low voltage control wiring provides simple wiring solution.
Variable Light Control right at your fingertips – modulate daylight levels between 100 -2% light output in 8 seconds or less.
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A Daylighting Revolution
Solatube International is committed to high-quality, cost-effective manufacturing to mainstream product.
Solatube’s full range of products allow effective daylight harvesting for nearly any space type and lighting requirement.
Solatube products are a top-lighting solution that addresses virtually any space directly under a roof.
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Solatube offers unparalleled control of daylight for residential and commercial applications.
Solatube optics minimize lighting variations due to location, time, & season.
Solatube eliminates the need for special & costly building articulation.
SolaMaster® product line is the first tubular skylight specifically designed to integrate with 2’x2’ and 2’x4’ suspended ceiling systems, hard ceilings, & open ceiling applications.
A Daylighting Revolution
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Light output of one 21” Solatube can displace 6 to 8 FO32T8 fluorescent lamps (2 to 4 fluorescent troffers).
Use Solatube to enhance existing lighting system.
Or, use Solatube to displaceambient light system.
A Daylighting Revolution
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Solatube Design Tools
Design Solatube Solution Just Like Any Other Lighting Fixture Use Simple Design Aids
Simple Design Criteria Sized by Lumen Output Spacing Criteria
• Top lighting product to daylight top 1 or 2 floors.• Tube runs of up to 40’ possible, 6-10’ typical.• Used for 9’+ ceilings.• Design & installation similar to standard
2x2 lensed fluorescent troffer.– Spacing should not exceed 1.5 x MH
(1.0 to 1.3 x MH preferred).• Spaces should be occupied during peak
daylight hours (~8:00AM to 4:00 PM).
Use caution for spaces with high computer use.
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Sempra Energy Regional Office - Murrieta
Office, Training, Locker, Warehouse, & Vehicle Maintenance Areas LEED Rated Building Product Installed:
41 – 21” Suspended Ceiling Units (10 w/ Daylight Dimmer)
32 - 21” Open-Ceiling Units 8 – 14” Units
Project Review
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White Bear Swim & Racquet (MN)
Lobby, Restaurant, Circulation, & Fitness Areas
Product Installed: 12 – 21” Suspended Ceiling Units 20 - 21” Open-Ceiling Units
Project Review
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Ontario Christian Schools
Classrooms and Corridors Product Installed:
82 – 21” Suspended Ceiling w/ OptiView 14 – 14” Units Daylight Dimmers in New Classrooms Typical 32’x 32’ Classroom (10’ Ceiling):
Automatic Lighting Controls Required for Daylight Harvesting
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United States Green Building Council’s Leadership in Energy & Environmental Design (LEED) Green Building Rating System is a common measurement of how environmentally sustainable a building is.
Buildings are rated by four levels of achievement:– Certified (26-32 points)– Silver (33-38 points)– Gold (39-51 points)– Platinum (52-69 points)
City of San Diego has adopted the Silver level as the design standard for new municipal buildings and significant remodels larger than 5,000sf.
LEEDTM
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LEED Standards
There are currently four types of LEED Standards available:
1) LEED-NC (New Construction and Major Renovation)2) LEED-EB (Existing Building Operations – pilot)3) LEED-CI (Commercial Interiors Projects– pilot)4) LEED-CS (Core and Shell Projects – pilot)
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Solatube and LEED
Solatube has been used in many LEED projects, including the EPA Laboratory in Chelmsford, MA which achieved LEED Gold.
Solatube can earn or contribute to the following credits in LEED-NC (v.2.1):– Daylight & Views (1 point)– Optimize Energy Performance (1-10 points)– Recycled Content (1-2 points)– Local/Regional Materials (1 point)– Controllability of Systems (1-2 points)– Innovation in Design (1-4 points)