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.
Portion of house no insulation in attic.
This allows a lot of heat up to 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.
Many homes are leaky and have insufficient insulation in the attic.
This is the best way to keep your house cool in the summers while keeping it warm during the winters.
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.
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.
Find a diagram of common air leaks here.
My home inspector did not check the attic above our master bedroom.
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.
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.
A 3 to 4 inch layer of spf across the attic floor is a good start 1b.
Installing an insulation system can drastically reduce energy consumption in your house.
Before insulating seal any air leaks and make roof and other necessary repairs.
The attic should always be the first place you add insulation whether you live in florida or fargo.
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.
If it is located in a conditioned part of the house also remember to insulate and air seal your attic access.
Upon our own inspection we determined that the master bedroom has no insulation in the attic space above our bedroom.
Insulate and air seal any knee walls vertical walls with attic space directly behind them in your home as well.
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.