Ipayipi lomoya elivalekayo elivaleleke lidizayinelwe isistimu yomoya entsha noma isistimu ye-HVAC, esetshenziswa ekugcineni kwegumbi. Nge-glass wool insulation, i-duct ingabamba izinga lokushisa lomoya kuwo; lokhu kuthuthukisa ukusebenza kahle kohlelo lwe-air conditioning; yonga amandla nezindleko ze-HVAC. Ngaphezu kwalokho, ungqimba lwengilazi lokuvikela uvolo lungavala umsindo wokugeleza komoya. Ukusebenzisa i-insulated air flexible system ohlelweni lwe-HVAC kuyisinqumo esihlakaniphile.