"recirculating air heating" in German recirculating air heating Umluftheizung Luftumlaufheizung Detailed translations for "recirculating air heating" recirculating air heating recirculating air heating(also: recirculating heating, heating by circulating air) die Umluftheizung{feminine} recirculating air heating(also: recirculating heating, heating by circulating air) die Luftumlaufheizung{feminine}