In the DOE-2 glass library I am looking at the double low-e (e3=.4) clear product, glass type code 2600.
Does anyone know what the e3=.4 means?? There are other products, such as type 2630 with e2=.1 with a much different assembly u-value.
Thank you,?Paul Diglio
87 Fairmont Avenue
New Haven, CT 06513
Glass Library Question
Sep 8, 2017
