Q&A – Siding Stains: Why Do Houses Cry?
- This is how moist air gets into the walls. It leaks through outlets, switches, and countless other penetrations. In Allison Bailes’ article above, this would be described as a “Supply Only” ventilation system for the home. It leaks through a million little holes in the walls and ceilings. . Check out my blog post on this topic for more info: Combustion Air Duct Connected to Return Plenum. When the blower fan on the furnace runs, it pulls air into the home via the duct that runs to the exterior of the home. Of course, all of that air coming in needs to leak back out… somewhere… right? Of course it does. This puts the home under positive pressure. This is a bad way to ventilate houses in Minnesota
- Air Quality Inspectors Bartlett, IL
- Commercial Septic Inspection Sayreville, NJ