Labels:crt screen | monitor | reckoner | sky OCR: Thermal Performance Resistance to condensation In 1988 the American Architectural Manufacturers Association (AAMA) updated the industry standard for determining Condensation Resistance Factor AAMA 1503 1-88 The purpose of the standard IS to help aluminum manufacturers compare thermal performance and predict when condensation might occur AAMA 1503 defines thermalized window as one having CRF of 12 35 Most thermally-broken aluminum windows with polyurethane thermal breaks have CRFs betwe en 35 and 55 Americar Manufacturer standaro standarc oredict wher opuM broker aidminum therma
