TY - RPRT AU - Suntek Research Associates AB - The purpose of this program was development of commercial production plans for a practical and cost effective energy conserving retrofit system for windows based on Sunteks prototype Superpane retrofit window. The original Superpane configuration consisted of a transparent insulation know as Heat Mirror to reduce radiative heat loss, a thermally sensitive optical shutter known as Cloud-gel to reduce summer heat gain, and a contained air space to reduce convection, all related to the prime window by an appropriate edge detail. C1 - Windows and Daylighting Group C2 - LBL-9307 CN - LBL-9307 LA - eng N2 - The purpose of this program was development of commercial production plans for a practical and cost effective energy conserving retrofit system for windows based on Sunteks prototype Superpane retrofit window. The original Superpane configuration consisted of a transparent insulation know as Heat Mirror to reduce radiative heat loss, a thermally sensitive optical shutter known as Cloud-gel to reduce summer heat gain, and a contained air space to reduce convection, all related to the prime window by an appropriate edge detail. PY - 1977 TI - An Energy Efficient Window System, Final Report ER -