Gallery By Project Type Watseka High School Watseka High School Representative:Efco-Chicago 1000 County Rd Monett, Missouri 65708 Project Category:Schools and Colleges Contractor:Ameresco Location:Watseka, Illinois Finish:Class 1 Clear Glass:1" OA SB60 #3 with Argon, 3ply Panel by EFCO Erector:Koolmaster Company Comments:The Watseka High School contained the original windows which were 63 years old. The EFCO 2700 series was used to replace the old windows resulting in a substantial savings in utility costs over the years to come. Products Used: Series 2600 (Non-Thermal) Series 2700 (Thermal) Series 2700 (Thermal)