Tace gidan iska wani muhimmin sashi ne a tsarin na'urar sanyaya iska na motoci. Yana taimakawa kawar da gurɓataccen gurɓataccen abu, gami da pollen da ƙura, daga iskar da kuke shaka a cikin mota. Wannan matattar galibi tana bayan akwatin safar hannu kuma tana tsaftace iska yayin da take tafiya cikin tsarin HVAC na abin hawa.