High temperatures inside your attic shorten the life span of shingles.
Attic smell in house when hot.
A hot attic is bad for several reasons.
Rodent droppings urine.
A little sealing up in the attic will do wonders.
I would say eliminate the smell through ventilation.
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.
Sniffed the walls the floor outlets ac vents no moldy window sills and it s mostly in the doorway.
It might be you have a gap or air leak in the returrn air duct that is allowing this smell to get into ductwork.
A rotten egg smell might be a potentially dangerous natural gas leak.
There is a window in front and another in the back.
Sealing up your building envelope is the only way to go.
Such odors may even make the items or clothing you re storing in your attic smell as well.
We live in south east texas.
On cool days no smell but when the attic gets hot the one bedroom has the smell.
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.
This is a combination of lumber insulation shingles all getting cooked in this hot attic air.
What causes that old house smell three things that musty old houses have in common.
And infiltrate the airr in the duct even though it s not running.
Let the bleach sit for 30 to 60 minutes then run the hot water or flush the toilet again.
Rotten egg smell could be two things.
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 the odor persists you may need to rent or purchase a plumber s auger or snake to dislodge the clog.
If you notice this type of odor coming from your attic avoid entering it unless you are wearing a proper respirator.
Little ventilation high humidity and darkness says bill carroll jr an adjunct professor of chemistry.