Kingspan. SRCC-certified “Solar in a Box” packages of Thermomax solar thermal systems are available direct to contractors or through area distributors. Each package is designed for a typical household size and contains all parts, materials, and equipment needed for installation and operation in all U.S. geographical locations. The kits offer a choice of high-performance vacuum-tube or flat-panel solar collectors. 410.799.6600. www.kingspansolar.com.