A duct cleaning can t hurt and i also run the fan on my furnace around 340 days a year which keeps air moving through my filter thus catching more of the dust and hair and of course meaning i change my filter a bit more often than most but that is about all you can do.
Furnace duct cleaning diy.
If he finds that it s not very dirty in all likelihood the ducts.
A step by step guide remove screws from air duct covers and return air grill plates.
Remove the hose and turn off your vacuum cleaner.
Lift the unscrewed register slightly up and tuck a towel under it to keep the towel in place.
Attach the flexible hose attachment to your vacuum cleaner.
Temporarily cover your supply air registers with paper towels or cloths.
Clean your ducts every 5 to 7 years or as needed to help improve system efficiency.
The average cost of duct cleaning is 369 or between 268 and 483 larger homes or those with more ducts or contamination might pay as much as 700.
Insert it into the duct and turn on your machine to clean up the debris you ve dislodged.
Again if you have flex ducts be gentle doing this and focus your cleaning on the floor of the vent.
The size of your ductwork number of vents degree of contamination and ease of access all affect the price.
The epa does recommend cleaning ducts on certain occasions.
Bring in an hvac technician to do an annual furnace cleaning.
In the course of work he will clean the furnace heat exchanger.