Useful performance figures such as u value and shgc as well as air infiltration condensation fading and visible transmittance are provided.
Window energy ratings scheme.
To participate in wers window makers must obtain energy ratings for their products from a rating organisation accredited by the australian fenestration rating council afrc.
Window energy ratings the window energy rating wer tells you how energy efficient your windows are.
Wers rates the energy impact of residential and commercial windows throughout australia.
Window energy rating scheme wers in australia wers enables windows to be rated and labelled for their annual energy impact on a whole house.
The national fenestration rating council nfrc operates a voluntary program that tests certifies and labels windows doors and skylights based on their energy performance ratings.
The nfrc label provides a reliable way to determine a window s energy properties and to compare products.
Wers is accredited by the australian fenestration rating council afrc and adheres to afrc protocols and procedures for the rating of windows and glazed doors.
The window energy ratings scheme provides a method for manufacturers to demonstrate the energy performance of their doors taking into account heat losses through thermal transmittance u value air leakage and for certain types of door heat gained from the sun g value or solar gain and gives an a to g rating in a similar way to door.
The simplest way to do this is using the window energy rating scheme wers.