Sahayda hawada-wax ku oolnimada sare waa qalabka sifaynta terminal ugu fiican ee heerarka kala duwan ee hababka hawo-conditioning la safeeyey, taas oo si weyn loogu isticmaali karaa in hababka qaboojinta sifaysan ee dawooyinka, caafimaadka, electronics, warshadaha kiimikada, iwm sahayda hawada ka kooban yahay 4 qaybood. (sanduuqa, diffuser, filtarrada waxtarka sare leh, waalka hawada).
Qalabka hawada ee waxtarka sare leh wuxuu ka kooban yahay 4 qaybood (sanduuqa, diffuser, filter tayo sare leh, valve hawo).
Xidhiidhku wuxuu noqon karaa marinka hawada sare iyo dhinaca.