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A good property inspector is always on the lookout for telltale signs. A door that rubs its frame… Exposed electrical wires… Loose handrails… Missing smoke detectors, etc. High water marks under a house; usually gets people’s attention. In the photo, the bottom of a heating/cooling duct in the cr...
This is an exterior termination exhaust duct for a gas wall heater or decorative gas log fireplace. This is called direct venting.Direct venting uses a 2-layer pipe running through a hole in the wall behind the interior heating unit. The outer pipe draws air in from the outside to create combus...