Kodi NFRC ya mawindo ndi chiyani?
Zolemba za NFRC zimakuthandizani kuti mufananize pakati pa mazenera, zitseko, ndi ma skylights osagwiritsa ntchito mphamvu zamagetsi pokupatsirani mphamvu zamagetsi m'magulu angapo. U-Factor imayesa momwe chinthu chingatetezere kutentha kuchokera mkati mwa chipinda. Kutsika kwa chiwerengerocho, kumapangitsa kuti chinthucho chizisunga kutentha mkati.
Chitsimikizo cha NFRC chimapatsa ogula chitsimikizo kuti malonda a Vinco adavoteledwa ndi katswiri wotsogola padziko lonse lapansi pawindo, zitseko, ndi mawonekedwe a skylight, kuphatikiza pakuwonetsetsa kuti akutsatira.
Kodi AAMA imayimira chiyani pawindo?
Chimodzi mwazofunikira kwambiri pazenera chimaperekedwa ndi American Architectural Manufacturers Association. Palinso chizindikiro chachitatu chakuchita bwino kwazenera: satifiketi yochokera ku American Architectural Manufacturers Association (AAMA). Makampani ena a zenera okha ndi omwe amatenga AAMA Certification, ndipo Vinco ndi m'modzi mwa iwo.
Windows yokhala ndi certification ya AAMA imakwaniritsa miyezo yapamwamba komanso magwiridwe antchito. Opanga mawindo amasamala kwambiri pakupanga mazenera awo kuti akwaniritse miyezo yokhazikitsidwa ndi American Architectural Manufacturers Association (AAMA). AAMA imakhazikitsa miyezo yonse yogwira ntchito pamakampani opanga mawindo.
