Akatswiri a khungu amavomereza kuti zipangizozi nthawi zambiri zimakhala zotetezeka kugwiritsidwa ntchito muofesi komanso kunyumba. Chabwino kwambiri, "kawirikawiri, chithandizo cha kuwala kwa LED ndi chotetezeka pa mitundu yonse ya khungu," akutero Dr. Shah. "Zotsatira zake sizachilendo koma zitha kuphatikizapo kufiira, kutupa, kuyabwa, ndi kuuma."
Ngati mukumwa mankhwala aliwonse kapena mukugwiritsa ntchito mafuta aliwonse opaka khungu omwe amapangitsa khungu lanu kukhala losavuta kukhudzidwa ndi kuwala, izi "zikhoza kuwonjezera chiopsezo chanu cha zotsatirapo zoyipa," akufotokoza Dr. Shah, "kotero ndibwino kukambirana ndi dokotala wanu za chithandizo cha LED ngati mukumwa mankhwala otere."
Komabe, ndikofunikira kudziwa kuti mu 2019, chigoba chimodzi cha nkhope cha LED kunyumba chinachotsedwa m'mashelefu mu zomwe kampaniyo idatcha "chenjezo lalikulu" pankhani ya kuvulala kwa maso. "Kwa anthu ochepa omwe ali ndi matenda enaake a maso, komanso ogwiritsa ntchito mankhwala omwe angapangitse kuti maso azitha kujambulidwa, pali chiopsezo chovulala maso," idatero chikalata cha kampaniyo panthawiyo.
Komabe, madokotala athu a khungu amapereka chivomerezo kwa aliyense amene akufuna kuwonjezera chipangizo ku njira yawo yosamalira khungu. "Zitha kukhala njira yabwino kwa anthu omwe ali ndi pakati kapena omwe angakhale ndi pakati, kapena kwa wodwala ziphuphu yemwe sakumva bwino kugwiritsa ntchito mankhwala operekedwa ndi dokotala," akutero Dr. Brod.