| 摘要 |
<p>A device for heating a flowing medium (e.g., water), wherein the device comprises a heating module and a heat exchanger enclosed by an insulating material comprising a vacuum-packed core material. The heating module and the heat exchanger may further be received in a housing having a number of walls, wherein the vacuum-packed core material is arranged between one of the walls and the heating module and/or the heat exchanger.</p> |
