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Is treatment for fungi and bacteria routine and mandatory after 20 years? Or should we test for fungi or bacteria first? This would be in addition to air duct cleaning.

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closed as not a real question by Steven, ChrisF Jun 14 '12 at 7:59

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

A test for bacteria in general seems silly since you're covered in it already. And it's almost certainly not mandatory in your own home. Given the silence to the question, I'd say it's not even routine. Sounds like an excessive up-sell to me. – BMitch Jun 14 '12 at 1:41
I have not been impressed with air duct cleaning companies. Big upsale and the price was high to begin with. – BrianK Jun 14 '12 at 1:57

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