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The ability to choose a light color range allows one to customize the lighting of any space
The DOE Efficient Window Coverings website identifies twelve categories of interior window shading attachments.
The Efficient Window Coverings website allows direct comparison of various window attachment types based on thermal, visual, functional, and installation and durability criteria.
The Lighting Facts label helps consumers select light bulbs based on brightness, energy cost, lifetime, color, and energy use.
The potential motion detection range for one model of wall-mounted passive-infrared sensors used for lighting controls
This house was designed with half of the basement above grade, allowing 36-inch-tall windows for egress and daylight on both sides of the house.
This manual dimmer switch controls the lighting output of multiple fixtures to save energy.
This sun tunnel (or solar tube) has a night light feature that is powered by a small solar panel on the roof.
Wrong - IR image shows a lack of air-sealing and insulation around a ceiling light fixture.
Wrong – Insulation is in direct contact with this non-insulation contact (IC)-rated recessed light fixture