Building Products Top 100Part 4: 25-1

Continued from page 2

Evergreen Solar

ES-Series poly-crystalline solar panels feature String Ribbon wafer technology. The panel's design consists of 108 polycrystalline silicon solar cells, anti-reflective tempered solar glass, EVA encapsulant, polymer backskin, and a double-walled anodized aluminum frame. Each panel measures 37.5 by 61.8 inches and weighs 40.1 pounds. Three panel options achieve an STC maximum power rating of 180 to 195 W. 508-357-2221. www.evergreensolar.com.

14 Woodfold Mfg.

Woodfold Mfg

Made of solid wood, foldable bookcase doors come in two sizes and three wood veneers, and are available with a clear lacquer finish or with custom stain or paint finishes. They ship fully assembled and have a custom hinge. The units support up to 500 pounds; a heavy-duty roller system ensures easy and smooth opening, the company says. 503-357-7181. www.woodfold.com.

13 Solatube.

Solatube

The Solar Star Conversion Kit boosts performance and lowers noise of existing attic fans. The Solar Star ventilator is powered by a 10-watt photovoltaic solar panel and features a high-performance brushless motor and five-wing injection-molded fan. The unit works continually to maintain low humidity and temperature levels, eliminate wintertime condensation, and keep attic heat from building up in the summer. It requires no electrical hookup. 888-765-2882. www.solatube.com.

12 Akeena Solar.

Akeena Solar

Andalay solar panels are all-black and feature built-in racking and built-in wiring for a smooth, flush appearance that resembles skylights. With 70 percent fewer parts and 25 percent fewer attachment points, the panels for a small house can be installed in less than an hour, the company says. These features also mean fewer penetrations in the roof and less opportunity for leaks and failure. 408-395-7774. www.andalay.net.

11 SunPower.

SunPower

SunTile roof tiles and solar panels provide a built-in look. The tile product suits S-shape and flat tile profiles; each panel measures 17 by 59 inches and achieves an STC power rating of 63 W. Panel-designed products integrate with various roof finishes, measuring 61.39 by 31.42 inches and achieving an STC maximum power rating of 210 W and a conversion efficiency of 16.9 percent per panel. The company's solar cell technology delivers up to 50 percent more power than conventional cells and converts up to 22 percent of available sunlight into electricity. 877-787-6527. www.sunpowercorp.com.