Another potential source of attic odor is from a combination of rodent droppings and urine when mice or rats take refuge in the attic they are naturally going to do their business here.
Attic smell in house when hot.
I would say eliminate the smell through ventilation.
Such odors may even make the items or clothing you re storing in your attic smell as well.
My attic is ridiculously hot if i install a fan pull out hot air to help cool my attic will my ac work better right now it takes two to three hours to drop the house 4 degrees.
A hot attic is bad for several reasons.
We live in south east texas.
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 you notice this type of odor coming from your attic avoid entering it unless you are wearing a proper respirator.
Excessive heat deteriorates items you store in the attic and can cause moisture.
And infiltrate the airr in the duct even though it s not running.
This is a combination of lumber insulation shingles all getting cooked in this hot attic air.
It might be you have a gap or air leak in the returrn air duct that is allowing this smell to get into ductwork.
Let the bleach sit for 30 to 60 minutes then run the hot water or flush the toilet again.
High temperatures inside your attic shorten the life span of shingles.
Sniffed the walls the floor outlets ac vents no moldy window sills and it s mostly in the doorway.
What causes that old house smell three things that musty old houses have in common.
Rotten egg smell could be two things.
A rotten egg smell might be a potentially dangerous natural gas leak.
Our home is 102 yes old and is very stable.
Musty dirty animal and moldy smells in an attic create an unpleasant surprise when you go up to this easily overlooked space in the house.
Rodent droppings urine.
A little sealing up in the attic will do wonders.
Little ventilation high humidity and darkness says bill carroll jr an adjunct professor of chemistry.
If the odor persists you may need to rent or purchase a plumber s auger or snake to dislodge the clog.