Time to celebrate! Happy Plugs is now available in 112 hone House stores in Sweden. Phone House is owned by Best Buy Europe, which is owned by Best Buy and The Carphone Warehouse. Best Buy is the world leader in consumer electronics retail chain with over 1300 stores in the U.S., Canada and China. The Carphone Warehouse is Europe’s largest independent retailer of mobile phones. In Europe, the more than 2400 stores under the name “Phone House”.