Energy Ratings + passive house thermal data

Low conductivity fiberglass frames with low-e glass provide superior energy performance.

Below you will find comprehensive thermal performance data for NFRC ratings of all Cascadia classic window products. 

There is also useful ISO modelling data for our most popular series.

Coming soon: Universal Series Passive House certification from the Passive House Institute.

All of our standard products have earned the Canadian ENERGY STAR label. 

Passive House clients and consultants often require thermal performance data for windows and doors that is produced according to the EN ISO 10077-2 and EN673 standards (European thermal modelling methods).