Toshiba LED Lighting Cuts Energy Costs at the Museum of Fine Arts, Houston
The Museum of Fine Arts, Houston once turned to Toshiba LED lighting to cut energy use without sacrificing the quality of its exhibits. It was an early example of something that now seems obvious: museums can reduce electricity costs while still giving artwork the carefully controlled illumination it deserves.
In 2011, Toshiba International Corporation announced that its LED Lighting Systems Division would supply LED lamps to the Museum of Fine Arts, Houston. The project focused on combining energy efficiency, long lamp life and strong color quality inside gallery spaces. (The Green Living Guy)
At the time, that represented a significant change. Incandescent and halogen lighting still dominated many commercial and cultural spaces. LEDs were improving quickly, but institutions needed proof that the technology could deliver more than lower electricity bills.
Museums offered one of the tougher tests.
Museum Lighting Requires More Than Energy Efficiency
A museum cannot simply install the lowest-wattage bulb available.
Lighting affects how visitors see color, texture, detail and depth. Furthermore, designers must control glare, shadows and light intensity. Artwork can also require carefully managed exposure.
That made the Museum of Fine Arts, Houston an interesting proving ground for LED technology.
According to the original announcement, Toshiba lighting consultant Michiru Tanaka highlighted the ability of the LED fixtures to reveal subtle surfaces in the museum’s pre-Columbian art collection. The lighting system also gave designers greater flexibility when illuminating different spaces. (The Green Living Guy)
Therefore, the project wasn’t simply about replacing one bulb with another. It showed how efficiency and visual performance could work together.
Toshiba LEDs Dramatically Reduced Power Consumption
The numbers were impressive for 2011.
Toshiba’s A19 LED lamps consumed between 5.6 and 7.8 watts. According to the company, that represented power reductions of as much as 85% compared with conventional lighting.
In addition, Toshiba rated the lamps for approximately 40,000 hours of operation. (The Green Living Guy)
That longer lifespan mattered almost as much as the electricity savings.
Museums contain hundreds or thousands of lamps. Consequently, replacing failed bulbs requires staff time, equipment and maintenance spending. Longer-lasting LEDs can reduce those costs while also limiting disruptions inside galleries.
LEDs Also Reduce Heat
Another advantage comes from heat.
Traditional incandescent bulbs convert a large share of their electricity into heat rather than visible light. LEDs operate much more efficiently.
ENERGY STAR reports that LED lighting products can produce light up to 90% more efficiently than incandescent bulbs. LEDs also release far less waste heat into occupied spaces. (ENERGY STAR)
That can create an additional benefit for museums.
Less heat from lighting means the building’s air-conditioning system has less heat to remove. Therefore, an LED retrofit can potentially reduce both lighting electricity and cooling demand.
For a large institution operating many hours every week, those savings can add up.
Commercial LED Lighting Has Become Mainstream
What looked cutting-edge at the Museum of Fine Arts in 2011 has since become standard energy-efficiency strategy.
Lighting still represents a meaningful share of commercial-building electricity consumption. ENERGY STAR estimates that lighting accounts for roughly 17% of electricity used in U.S. commercial buildings. (ENERGY STAR)
That makes lighting one of the most straightforward places to attack energy waste.
Modern LEDs also provide more than reduced wattage. Facilities can combine them with occupancy sensors, daylight controls, dimming systems and building-management technology.
As a result, lighting can respond dynamically instead of operating at full output regardless of whether a space needs it.
Toshiba Made an Early Bet on LED Technology
Toshiba had already made a major commitment to LED technology before the Houston museum project.
The company stopped producing incandescent lamps in March 2010 as it shifted its lighting strategy toward more efficient technologies. (The Green Living Guy)
At the time, that represented a bold move.
However, the direction of the lighting industry quickly became clear. LEDs continued to improve in brightness, efficiency, color rendering and affordability. Meanwhile, traditional incandescent lighting steadily lost ground.
Today, the argument for LEDs goes far beyond environmental responsibility.
They can lower electricity consumption, maintenance costs and also produce less waste heat. Moreover, sophisticated LED systems can provide precise lighting control that older technologies could never match.
Museums Can Become Energy-Efficiency Showcases
Museums may not be the first buildings people associate with energy conservation. Yet they operate large facilities with extensive lighting, climate-control systems and long operating schedules.
That makes them excellent candidates for efficiency improvements.
The Museum of Fine Arts, Houston project demonstrated that sustainability did not require compromising the visitor experience. Instead, better technology could potentially improve that experience while lowering operating costs.
That lesson applies well beyond museums.
Schools, hotels, offices, restaurants, retail stores and government buildings can take the same approach. Start with energy consumption that delivers little additional value. Then replace outdated equipment with technology that performs the same job using significantly less electricity.
The Green Living Guy Take
The biggest takeaway from this project remains relevant more than a decade later.
Energy efficiency doesn’t always require massive infrastructure.
Sometimes you change the light.
Yet multiply that change across hundreds of fixtures, thousands of operating hours and thousands of commercial buildings, and the impact becomes enormous.
The Museum of Fine Arts, Houston showed early on that LED lighting could preserve the beauty of an exhibit while cutting electricity and maintenance requirements.
That’s green technology doing exactly what it should do: use less energy, reduce operating costs and still perform better.
Sources
1. ENERGY STAR — Upgrade Your Lighting
2. ENERGY STAR — Learn About LED Lighting
3. ENERGY STAR — Save Energy in Commercial Buildings
