If he finds that it s not very dirty in all likelihood the ducts.
Furnace duct cleaning diy.
The size of your ductwork number of vents degree of contamination and ease of access all affect the price.
If and when there is substantial visible mold growth inside the components of your heating and cooling system if and when the ducts are infested with rodents or insects and if and when the ducts are so debris filled that an enormous amount of dust is actually making its way into your home through them.
Temporarily cover your supply air registers with paper towels or cloths.
Again if you have flex ducts be gentle doing this and focus your cleaning on the floor of the vent.
In the course of work he will clean the furnace heat exchanger.
Remove the hose and turn off your vacuum cleaner.
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.
Insert it into the duct and turn on your machine to clean up the debris you ve dislodged.
Attach the flexible hose attachment to your vacuum cleaner.
Furnace duct cleaning may strike the casual household handyman as a daunting and time consuming undertaking fortunately with the aid of this helpful set of instructions you ll find that cleaning your furnace ducts can be a relatively simple and painless procedure.
Bring in an hvac technician to do an annual furnace cleaning.
A step by step guide remove screws from air duct covers and return air grill plates.
Lift the unscrewed register slightly up and tuck a towel under it to keep the towel in place.
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.