Ask even if home windows are licensed for efficiency scores

https://eggplant-shoe-e28.notion.site/The-Solar-Heat-Gain-Coefficient-helps-estimate-how-much-solar-energy-enters-through-the-glazing-3afc0d147e4f8042a422fc694df35370

Ask whether home windows are licensed for overall performance scores. Third occasion trying out supports claims approximately U ingredient and air leakage.