Qhov kev txhim kho qhov tsis muaj nyuj yaj yog qhov kev lag luam uas tau tsim los tiv thaiv kev sib hloov ntawm ntu nyuj yaj sab nraud, tshwj tsis yog hauv qhov khaub ncaws thiab kev siv hauv tsev lag luam. Cov kev lag luam no yog qhov tseem ceeb rau kev tsim kho tshiab uas ruaj khov hluas tshuaj, txheeb xyuas cov teeb meem tseem ceeb ntawm kev sib txig sib nyuj yaj thaum nyuj yaj tshuav siab sai sai ntawm cov ntu siv nyuj yaj zoo li aluminum lossis steel frames, uas pab tso kom tsis txhob muaj kev txhob nyuj yaj, kev tsis ua kom chaw tsha tsha, kev nyuaj siab hauv chaw nyob, thiab kev tshwm sim ntawm kab mob. Qhov ceev tseg ntawm qhov kev lag luam no yog qhov tseem ceeb tshaj plaws, tshwj tsis yog ib qhov polymer zoo li PA66 GF25 lossis PA66 GF30, uas tau xaiv tswj nrog thiab txuas nrog rau hauv ib qho profile hluav taws xob. Qhov no tsim ib qhov sib txuas ntawm kev ruaj ntseg uas muaj kev sib txig nyuj yaj tsawg, uas pab suab ntxov kev sib txig nyuj yaj ntawm qhov kev lag luam. Kev tsim kho koom nrog kev xav txog kev ruaj ntseg, vim tias qhov kev lag luam no yuav tsum tiv thaiv kev puag ncig, kev nqaj thiab tshem tawm ntawm tsev, thiab hauv qhov kev siv nyuj yaj tshaj tshwv, kev nqaij nqus thiab kev nqaij sov. Tus nqi tau raug tso pov tseg los ntawm kev test standard, xws li simulation nyuj yaj thiab kev test phoo ntawv raws standards xws li EN 14024, uas sau npe tus nqi. Tom qab kev ruaj hluas tshuaj, cov kev lag luam no pab ntxiv kev nyuaj siab rau neeg nyob los ntawm kev tshem tawm kev sib txig nyuj yaj hauv hav zoov thiab kev tsha tsha hauv hav rooj. Lawv yog tsim nyog rau kev pom zoo ntawm cov luj lawm kev lag luam thiab cov leejhnub tshuaj xiam xws li Passive House, LEED, thiab BREEAM. Qhov kev siv tshuaj extend beyond windows thiab doors mus rau balcony connections, parapets, thiab curtain walling, uas pab them nyiaj rau kev lag luam nyuj yaj ntawm tsev, lwm qhov carbon footprint, thiab tso tseg kev ruaj ntseg thiab kev nyuaj siab rau neeg nyob.