Bath-fan Installation Tips

摘要

In spite of good intentions, bath-fan installations can go awry due to faulty planning or bad detailing. A friend once asked me what I thought was causing the black mold on his bathroom ceiling. When we crawled up into the attic and peeled back the fiberglass insulation over the bath fan, we saw that the duct had been poorly secured to the exhaust port and had come loose. A condensation puddle spread across the ceiling, feeding the mold. To help you avoid mistakes like this, we've gathered a list of tips from bath-fan installers.