Kodi U mtengo wanji wazinthu zotsekera matenthedwe?

Mtengo wa U, womwe umadziwikanso kuti U-factor, ndiye muyeso wofunikira pakupanga zinthu zotchinjiriza kutentha. Zimayimira kuchuluka komwe kutentha kumasamutsidwa kudzera muzinthu. Kutsika kwa U-value, kumapangitsa kuti zinthu ziziwayendera bwino. Kumvetsetsa kufunikira kwa U-mtengo wa chinthu chosungunulira ndikofunikira kuti tipange zisankho zomveka bwino pakugwiritsa ntchito mphamvu ndi chitonthozo cha nyumbayo.

Poganizira za chinthu chotchinjiriza, ndikofunikira kumvetsetsa mtengo wake wa U kuti muwone momwe zimagwirira ntchito popewa kutayika kwa kutentha kapena kupindula. Izi ndizofunikira makamaka pantchito yomanga, pomwe mphamvu zamagetsi ndi kukhazikika ndizofunikira kwambiri. Posankha zinthu zotsika mtengo wa U, omanga ndi eni nyumba amatha kuchepetsa kugwiritsa ntchito mphamvu komanso kuchepetsa ndalama zotenthetsera ndi kuziziziritsa.

Mtengo wa U wazinthu zotchinjiriza umakhudzidwa ndi zinthu monga mtundu wazinthu, makulidwe, ndi kachulukidwe. Mwachitsanzo, zida monga magalasi a fiberglass, cellulose, ndi kutchinjiriza kwa thovu zimakhala ndi ma U-maudindo osiyanasiyana chifukwa cha matenthedwe osiyanasiyana. Kuonjezera apo, kumanga ndi kuyika kwa insulation kudzakhudza mtengo wake wonse wa U.

Kuti mudziwe kuchuluka kwa U-mtengo wa chinthu china chotchinjiriza, munthu ayenera kunena zaukadaulo woperekedwa ndi wopanga. Izi nthawi zambiri zimakhala ndi mtengo wa U, wowonetsedwa mu W/m²K (Watts pa lalikulu mita pa Kelvin). Poyerekeza ma U-maudindo osiyanasiyana, ogula amatha kusankha mwanzeru zomwe zimakwaniritsa zosowa zawo.

Mwachidule, mtengo wa U wa chinthu chosungunula umakhala ndi gawo lofunikira pakuwunika momwe kutentha kumagwirira ntchito. Pomvetsetsa ndikuganizira za U-maudindo posankha zida zotchinjiriza, anthu ndi mabizinesi amatha kuthandizira kupulumutsa mphamvu ndikupanga malo okhala ndi malo ogwirira ntchito omasuka komanso okhazikika. Ndikofunika kuika patsogolo zinthu zomwe zili ndi ma U-values ​​otsika kuti mugwiritse ntchito mphamvu zowonjezera komanso kutentha kwabwino.