Stainless steel isolating better than expected

After all the good reviews I bought the machine, although I was skeptical about the insulation performance of the stainless steel jug. The meißte has been written to the machine, so here are some data that I have made in comparison to the now discarded glass jug of Rowenta.

In each case 1085 g of water were brewed without coffee powder with the respective machine and then measured the water temperature (= 0h brewing)

_________ 0h_____2h_____3h_____11h
Rowenta ___ ____ 85 ° 73 ° 69 ° ____ ____ 47 °
Philips _____ ____ 89 ° 82 ° 78 ° ____ ____ 60 °

From the initial 4 ° difference (old Rowentamaschine not decalcified) 13 ° temperature difference are after 11h become so one at 9 ° better insulation performance. The good performance of the stainless steel can (metal is a better conductor of heat than glass) I did not expect, because I have both pitchers deliberately not preheated - the test should be realistic; I would like to have coffee in the morning and not have to cook hot water to warm the pot.
I am so excited that I have done the Glasisolierkanne in the garbage (the very good Rowenta machine has after 16 years have done their duty, comes to recycling).
With coffee I get from this Philips a 84 ° hot coffee (the powder must be heated, and the water does not run quite as fast in the insulating jug). The coffee is so hot that I have to drink very slowly, despite additional milk. But so shall it be finally yes.

For 1085 g of water, the machine takes 6:15 min. It fit even more into 115 ml, in the Rowentakanne but not, because I have the Philips made not full.

At the actually something hakelig removable filter holder can get used to. The stainless steel pot sounds a bit tinny when you settle, but it is super good. I wish I would have had a removable water tank - like the Rowenta, but you can not have everything.
If the machine stops now even 15 years, I'm still happy in years ....