It might be cooler in very hot climates with adequate vents high up.
Does every house have a attic.
When a house has a sloped roof and horizontal ceilings there is going to be some dead space between the ceiling and the roof otherwise known as the attic.
Not all houses do.
Some inspectors believe that access must be gained even if it means cutting through a paint seal or moving a bureau.
So you should not consider buying a house that has no way to get into the attic.
It is a code requirement to have attic access.
If you live in a cold climate as we do in canada the roof on your house is likely sloped to allow rain and melting snow to run off.
Does your house have an attic.
If the access panel is locked nailed or caulked shut then ask the seller to get it opened for you.
That might still exist hidden in a closet for example or it might have been covered over by a renovation.
The house or room could have no attic but a vaulted ceiling with the underside of the roof and the collar beams visible.
When the house was constructed there was likely an attic access somewhere.
But otherwise get the seller.
If you have looked everywhere and can t find an attic access i d bet it was covered over.
Sometimes a home inspector will open a secured panel if the seller gives permission and holds the inspector harmless for any damage.
Heat would be lost in cold climates.
1 attics that are small less than 30 square feet of area or under a low slope roof that does not have a minimum of 30 inches of clear opening height between the top and bottom structural members are not required to have an attic hatch by the building code.