ALPEN HIGH PERFORMANCE PRODUCTS INC. has announced that the Attachments Energy Rating Council (AERC) has certified and listed the company’s newly patented line of high-performance window inserts,…
The importance of energy efficiency in a building can’t be overstated for the building’s occupants. The window industry has made impressive progress in manufacturing increasingly…
The Attachments Energy Rating Council (AERC) announces the certification of six new commercial secondary window systems—four interior storm window products from LARSON Manufacturing, two interior…
The Attachments Energy Rating Council (AERC), an independent, public interest, non-profit organization whose mission is to rate, label and certify the energy performance of window…