CLC Energy Efficiency & Sustainability

Question 1

What is the main benefit of energy-efficient lighting?

Accepted Answer

Lowers electricity consumption and cost

Answer

The main benefit of energy-efficient lighting, such as LEDs and CFLs, is a significant reduction in electricity consumption compared to traditional incandescent bulbs. This directly translates to lower utility bills for homes and businesses. Beyond cost savings, it also reduces the demand on power grids and decreases carbon emissions, contributing to environmental sustainability.

Question 2

How does sustainable lighting impact the environment?

Accepted Answer

Minimizes carbon footprint and waste

Answer

Sustainable lighting practices, including the use of energy-efficient technologies like LEDs and smart controls, drastically reduce electricity consumption. This, in turn, lowers carbon emissions from power generation and minimizes waste due to the longer lifespan of these products. By choosing sustainable options, we lessen the overall environmental impact of lighting.

Question 3

Which certification indicates a lighting product is energy efficient?

Accepted Answer

ENERGY STAR®

Answer

ENERGY STAR® is a widely recognized government-backed symbol for energy efficiency, indicating that a product meets strict energy-saving guidelines set by the EPA and U.S. Department of Energy. For lighting products, this certification assures consumers and businesses that they are purchasing fixtures and bulbs that consume less energy and save money, promoting environmental responsibility.

Question 4

What role do daylight harvesting systems play in sustainability?

Accepted Answer

Adjust lighting to save energy using natural light

Answer

Daylight harvesting systems integrate artificial lighting with natural daylight to optimize energy use. These systems use sensors to detect the amount of natural light available and then automatically dim or turn off artificial lights accordingly. This ensures adequate illumination while significantly reducing electricity consumption and energy costs, contributing to building sustainability.

Question 5

How do LEDs contribute to sustainability?

Accepted Answer

They are energy-efficient and longer-lasting

Answer

LEDs contribute significantly to sustainability because they are highly energy-efficient, consuming much less electricity than traditional lighting sources, which reduces energy demand and associated carbon emissions. Their exceptionally long lifespan also means fewer bulbs need to be manufactured and disposed of, minimizing waste and resource consumption over time.

(CLC) Certified Lighting Consultant Practice Test

(CLC) Certified Lighting Consultant Practice Test

CLC Energy Efficiency & Sustainability