The Makeup Air Myth About Hood Fans Over 300 CFM and How To Calculate Makeup Air There's a general consensus among those 'in the know' that makeup air is needed any time a kitchen exhaust fan rated ...
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! You ...
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