Remember:

Remember: ¾ Duct cleaning should only be undertaken as a last resort, after other measures have been exhausted. ¾ Duct cleaning should only be done after the problem has been thoroughly evaluated and the contaminant source has been identified and controlled. DOHS staff are available to help study the problem and find solutions. ¾ Prevent dirt, water, and other contaminants from entering ducts in the first place, by following good practic