Pro:
The low energy consumption. Compared with the previous condenser (which is broken after 10 years), the consumption of just under 40%.
This results in an annual savings of about 80 euros (3 to 4 machine wash per week). After 3 years, then you have to save the extra cost for a simple condenser (without heat pump technology) again.
As this was also the main argument for the purchase, there are 4 stars.
Cons:
The somewhat cumbersome cleaning of the fluff! In the old unit, there was a square lint filter in the door. This could take out with his left hand and with his right hand free in a circular motion from the fluff. This lasted more than 10 seconds. In the present device the lint filter is 2-piece, both parts must be opened even to clean it. Less than 1 minute passes since now nothing more (one wants anything ruin). This of course is not really tragic, but a step in the wrong direction.
In general:
Otherwise I can not see any differences between new and old equipment. You put just pure damp laundry and gets you dry out again ;-)
More I did not expect also.