You did the right thing and had your furnace maintained. But something isn’t quite right. Your home isn’t warming efficiently. Or you sense the air quality isn’t what it should be.

The problem may be dirty ducts. You should consider having your ducts cleaned if:

If any of these problems exist, you should consider having your system cleaned. A good cleaning should cost between $500 and $1,000, with the price dependent on the size of the system, accessibility, and level of contamination. When choosing a duct cleaning service, here are some tips:

Finally, make sure the written estimates include the number of hours or days the job will take, especially if being charged by the hour.