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- Sun Jan 03, 2010 2:05 pm
- Forum: All Other HVAC Questions
- Topic: expansion/contraction noise in ducts
- Replies: 1
- Views: 2175
expansion/contraction noise in ducts
After the blower fan starts and during the heating cycle the heating ducts crack loudly in different locations of my mobile home, Is there some specific cause of this and what can be done to limit or illiminate these sounds.