1. Intsimi enkulu yokujonga: iglasi enkulu embindini, indawo ebanzi yokubukela, umbono obanzi wembonakalo yangaphandle yewindow.
2. Ukugquma okukhethekileyo kwesandi: iiwindows ze-casement zemicu yerabha zitywinelwe ukwenza eyona nto ifanelekileyo yokugquma isandi, efanelekileyo kakhulu kwimigangatho ephantsi nakwiindawo ezinengxolo.
3. Indawo yokungenisa umoya elungileyo: engathintelwanga yindawo yefestile, yonwabela umoya wendalo.
4. Ukhuseleko oluphezulu: uthotho lweefestile ezakhelweyo zilungele ukulwa ubusela, kwaye zinokuxhotyiswa ngezibambo ezityhalekayo okanye izibambo ngezitshixo ukunqanda iingozi zokuwa phantsi.
5. Izinto zicociwe: izinto ezilungileyo zikhethwe ngononophelo, i-alloy silicon-magnesium ithembeke ngakumbi, yomelele kwaye izinzile.
6. Izakhono ezinzima: Ukudibanisa iikhonsepthi zoyilo zaseYurophu eziphambili kunye netekhnoloji yokuqala yaseJamani kunye nezixhobo ezifanelekileyo ukubonelela abathengi ngenkxaso yobuchwephesha.