Proficiency Level 1: Remember
Define key terms including u-factor, NFRC label, SHGC, VT, air leakage, and LSG.
Describe different window operation methods and be prepared to comment on air leakage implications.
Proficiency Level 2: Understand
Describe types of window frames and glazing including low-e, tinting, and reflective coatings
Describe ways that sunlight transmittance is measured and rated.