Le yintshayelelo emfutshane yegumbi lokubonisa elitsha.Iimveliso eziphambili eziboniswayo ziquka i-air to air heat exchangers, i-dehumidifiers, i-ventilators yokubuyisela ubushushu i-HRV, i-ventilators yokubuyisela amandla i-ERV, iiyunithi zokubulala iintsholongwane emoyeni, iiyunithi zokuphatha umoya, njl. Sinoluhlu olubanzi lweemveliso zesisombululo somoya ukuhlangabezana neemfuno ezahlukeneyo zesicelo.