house air filter

My sinus issue & indoor air quality?

I recently cleaned our air ducts and added a UV light filtration system to our house. I think it definitely improved indoor air quality. I even let the fan run for 2 hours during midday. So far, less sinus issues (probably my recent diet changes help this as well) and when I walk in the house, the house doesn't smell any, even after cooking some strong foods. The real test will be during the spring...

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