To check the exact noise level your fan is producing, use a dB meter and place it in front of the air flow once the inline fan is on. If you find the score anything between 70-85 dB, you need to ...

If you have two bathrooms that are close together and one has an exhaust fan and the other doesn't, you might be wondering if you can tie a new exhaust duct into the existing one. Well, you can't!