Insulated flexible air duct yakagadzirirwa new air system kana HVAC system, inoshandiswa pamagumo ekamuri. Negirazi rekudzivirira mvere, duct inogona kubata tembiricha yemhepo mairi; izvi zvinovandudza kushanda kwe air conditioning system; inochengetedza simba uye mutengo weHVAC. Zvakare, iyo girazi mvere dzemakushe insulation layer inogona kuvharidzira ruzha rwemhepo. Kuisa insulated flexible air duct muHVAC system isarudzo yehungwaru.