Ndi luso lamakono la zomangamanga, malo amkati amakhala ndi mpweya wambiri kuposa kale lonse, kusunga mkati ndi kunja kunja. Koma kusindikiza mpweya wabwino kumatha kusokoneza mpweya wabwino komanso kutonthozedwa. The Airwoods Single Room ERV imaonetsetsa kuti mpweya wabwino, wosefedwa mosalekeza, osawononga mphamvu, kukuthandizani kukhala ndi malo athanzi komanso omasuka m'nyumba moyenera.

