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umbligado t1_j15ug1a wrote

Cigarette smoke can accumulate in the filters and vents. Simply saying that you will want to consider that in your treatment plan as well. If you end up with an ozone machine, consider running the HVAC as well during treatment and changing the filters.

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Direcircumstances1 OP t1_j15zxar wrote

Yeah my HVAC guy came to service and he smelled a little smoke. He took out the HVAC filter and noticed it was yellow. He was like “yeah they’re smoking in the house…”

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