Without insulation attic ducts will get hot in the summer when they need to carry cool air and cold in the winter when they need to transport heated air.
Portion of house no insulation in attic.
In addition to upgrading the insulation that separates the upper floor of your house from an unconditioned attic space it makes sense to insulate any exposed ductwork in the attic.
We have been in our house 3 months and found our bedroom to be 8 to 10 degrees colder than the rest of the house.
A 3 to 4 inch layer of spf across the attic floor is a good start 1b.
However in that space part of the attic floor willstill be expo sed.
It doesn t matter the climate just start with the safest place that provides the biggest bang for your buck and that is always the attic.
The occupied area of the attic will beinsulated and kept warm while the space in back of the walls will not be insula ted.
There was attic access and it was easy to get to.
Upon our own inspection we determined that the master bedroom has no insulation in the attic space above our bedroom.
Find a diagram of common air leaks here.
Installing an insulation system can drastically reduce energy consumption in your house.
If it is located in a conditioned part of the house also remember to insulate and air seal your attic access.
On top of that depending on your climate zone you can add as much cellulose or fiberglass as you need to achieve anywhere between r 38 and r 60 total 1c.
Warm spaces have less condensation risk than colder space so when you add insulation to the attic floor you re intentionally blocking some of that heat from keeping the attic warm.
Many homes are leaky and have insufficient insulation in the attic.
Before insulating seal any air leaks and make roof and other necessary repairs.
Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless.
This allows a lot of heat up to the attic.
My home inspector did not check the attic above our master bedroom.
Insulate and air seal any knee walls vertical walls with attic space directly behind them in your home as well.