radon fan installation 5
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Installing a radon fan involves connecting it to the sub-slab piping system and routing the exhaust vent through the roof or sidewall, usually requiring careful sealing and a dedicated GFCI outlet. A correctly sized fan creates consistent negative pressure under the foundation, so choosing the right CFM rating for your home's square footage is critical. Most systems use a U-tube manometer to verify pressure differential regularly; it took my contractor about four hours for the whole setup. The…