"Zeichen setzen - Wärme pumpen!" - Clip
This film clip in praise of heat pumps "Zeichen setzen - Wärme pumpen!" roughly translated as "Heat pumps make their mark", explains heat pump technology concisely and clearly - you won't need to understand German to enjoy it.
© Bundesverband Wärmepumpe e.V., done by WE DO, Filmproduktion: playmedia