The 5-inch-aperture Eco-Downlight delivers 2,200 lumens of light from just 30 system watts of power, according to the manufacturer. It’s available in new construction and remodeling configurations, with square or round trim packages. The Eco-Downlight is compatible with incandescent, electronic low-voltage, and 0­–10v dimmers. It can produce a variety of beam patterns from 12 degrees to 85 degrees. Pricing starts at $780 for the downlight; trims start at $60.

Troy-CSL Lighting, 626/336-4511, csllighting.com.