The best new windows and the best replacement windows are ones that have been certified by the american architectural manufacturers association aama and the national fenestration rating council nfrc.
Aama window ratings.
Cr or condensation rating is based on the nfrc 500 testing and modeling.
The performance based material neutral north american fenestration standard nafs governing windows doors and skylights aama wdma csa 101 i s 2 a440 is no exception.
Over the years the aama certification program has gone on to set and promote the highest quality standards for residential and commercial windows.
This is a unitless number between 1 and 100 with the higher the number the better the resistance to condensation formation.
Crf or condensation rating factor is based on the aama 1503 test method.
The industry standard aama wdma csa 101 i s 2 a440 nafs north american fenestration standard specification for windows doors and skylights defines the minimum performance and testing requirements for four classes of fenestration.
Examine the evolution of window standards and code references identify the north american fenestration standard.
The latest change from the 2005 to the 2008.
Aama is the golden standard as they test the actual quality of the materials used to make the window and how those materials.
To get the gold label certification a window must withstand at least 94 mph of wind pressure.
Aama and igma two industry leaders have unified to form an exponentially stronger alliance.
Fenestration standards are always evolving due to changes in technology building codes and rating system performance requirements.
The american architectural manufacturers association aama sets all of the performance standards for the window industry to follow.
Nafs 08 aama wdma csa 101 i s 2 a440 08 and compare it to previous versions aama nwwda 101 i s 2 97 101 i s 2 a440 05 recognize and apply nafs 08 to specify product type performance level and key.
By placing an aama certification label on a product the manufacturer certifies that the labeled product meets the requirements for certification.
There are three different condensation rating systems used in north america.
Products must bear the aama certification label to be certified in this program.
Aama and nfrc certifications are a sign of commitment to quality and performance standards by the window manufacturers whose products bear the marks of certification.
The aama began offering third party window performance ratings in 1962 and its certification program has been accredited by the american national standards institute ansi since 1972.
The aama certified products directory cpd search lists products that have been authorized by aama for certification by the manufacturer.