Curly
2016-12-07 08:57:36
- #1
Hello,
can you tell me if you hear the supply air or the exhaust air louder outside at the ventilation grilles? There must be differences.
Best regards
Sabine
can you tell me if you hear the supply air or the exhaust air louder outside at the ventilation grilles? There must be differences.
Best regards
Sabine