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Duct cleaning is IMHO a scam as mentioned in other answers, but sealing the ductwork is absolutely beneficial in terms of efficency. Air leaks are one of the leading causes of lost efficiency.


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It depends (but likely no). IMO, duct cleaning does have it's place in today's world (pet hair/allergen reduction for example). However, it likely only needs done once every 10-15 years in most cases. Duct sealer is basically like the sealant you can put in a bicycle tube to fix a leak except that since ducts aren't a completely closed system like a tube, ...


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no - you are being offered a great big glass of snake oil duct cleaning is already a huge scam. EPA and health canada have already for years been warning people about the risks. this is just a new twist on an already deceptive industry



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