Upstairs Smells Like Attic

If you do not have any of these your attic gets really hot and that smell travels through electrical outlets switches.

Upstairs smells like attic.

Run a large fan in the window facing out to draw air from the attic. You can easily determine this problem if you stick your head in the attic and sniff. Air is being drawn from attic into house via duct return leakage. When air blows through the system it circulates the smell from the mold source and your entire house gets that musty smell.

Where those wires punch through to the attic are rarely sealed properly or at all and that is just one more path for hot air to travel down into your house bringing that lovely odor with it. If it smells the same that s your problem. What your house duct system. Emily tack from usa on march 15 2015.

Whenever the air is on upstairs the upstairs smells musty and has that attic smell the furnace is in the attic but the smell isn t that bad when the heat is on. There are other holes as well like where the wire from your light switch travels up into the attic. Let alone there should be a plate barrier between me and upstairs and the attic gable area. I thought there might be air flow from the attic into the house through the attic access.

I recently reinsulated and weatherstriped without results. Oh i am very familiar with the smell of rotting fruit rats that died in our attic. There are two things happening. Look for an areas in your ceiling that have changed colour.

Open the windows of the attic if possible to vent the air trapped in the attic out and allow fresh air to come in. Are telling you is that you have a failure somewhere. But i don t know what squirrel urine or feces smells like. See mystery smell below for more on this.

On cool days no smell but when the attic gets hot the one bedroom has the smell. Sniffed the walls the floor outlets ac vents no moldy window sills and it s mostly in the doorway. If yours is a loft or attic bedroom you could be dealing with a leaking roof that is damaging the ceiling which is growing mould in the process of absorbing the water. Ceiling which is now connected to the attic.

Sealing up your building envelope is the only way to go. Eventually the ceiling will collapse in the area of the leak so this issue will need fixing asap. Most is hvac driven. Musty moldy smell this one is usually much easier to find this smell is associated with water moisture in the system leading to mold growth.

Gable vent in end of outside wall high up in peak end.