Cleaning is recommended every 3 to 5 years (I think).
I would ask for a video inspection inside the ducts before and after the cleaning.
And I would expect the contractor to repair any damage done during the cleaning. Ask about repairing damage BEFORE giving the contractor the job.
__________________
All the war-propaganda, all the screaming and lies and hatred, comes invariably from people who are not fighting. --George Orwell
|