I think 'Holz Hausen' might be an American word [1], as I've never heard it before. It'd also roughly translate to 'wooden house'.

Over here we call it 'Holzmiete' [2], which translates to 'wood pay/wages'.

Fun fact: haystacks follow the same principle! [3]

[1] https://en.wikipedia.org/wiki/Firewood#Storing [2] https://de.wikipedia.org/wiki/Holzmiete [3] https://en.wikipedia.org/wiki/Hay#Stacks