Abstract: An electric appliance includes a housing part, and first, second, and third cooling fins are premolded or provided on the housing part. The housing part has a wall, e.g., a topside, and two side walls, and of the cooling fins extends along the wall and at least one of the side walls.
Abstract: A heat exchanger includes a plurality of heat transfer tubes extending in a first direction and aligned in a second direction intersecting with the first direction, and a plurality of fins disposed in the first direction. The fins each include a plurality of fin main bodies aligned in the second direction, and a bridging portion connecting two adjacent ones of the fin main bodies. At least one of the fin main bodies is provided with a through hole next to the bridging portion in the second direction.