2016 KfW Efficiency House 55 according to reference values (U-values)

  • Erstellt am 2015-10-05 21:40:38

Fenix2k

2016-03-03 20:34:05
  • #1


I think I read that this only applies to existing properties, i.e. for energy-efficient renovation. Those who are building new definitely have the money easily...
Please someone contradict me and tell me I am wrong. We are in the same situation.
 

truce

2016-03-03 20:38:19
  • #2

Applies from April also to new buildings
 

blane

2016-03-30 07:28:12
  • #3
Hello everyone,

what exactly is decisive for the awarding of the KFW55?
So...

    [*]the primary energy demand or final energy demand?
    [*]annual primary energy demand, transmission heat loss
    [*]or do really all U-values have to be below the KFW55 requirements? That means windows, exterior wall, ceiling, etc.

Thanks for your help
 

world-e

2016-03-30 07:40:04
  • #4
Decisive are the primary energy demand and the transmission heat loss.

As far as I understand, only in the "Vereinfachtes Nachweisverfahren nach Referenzwerten" the specified U-values must match. However, it can also be calculated "normally," so that the entire building envelope is considered. In this case, some U-values may be worse than the specified ones if others are better. This procedure is probably more complex and expensive. Please correct me if I am completely wrong.
 

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