Attic ventilation fans could be effective if your home has.
Is extra attic insulation worth it.
Some types of insulation are found in older homes and some of them may no longer be used.
An attic floor that is thoroughly air sealed.
This is still an effective insulation material but it must be handled with care during installation because any tear will diminish the quality of the insulation.
A blower door is a large calibrated fan used to measure house tightness before and after air sealing.
Savings from additional insulation will be minor.
There are different types of attic insulation and they each have their pros and cons.
Insulating your home with spray foam insulation saves the average homeowner between 15 and 50 percent on their monthly energy bills.
Attic insulation is one of the best investments you can make in a long term residence.
It may be starting to sound like attic ventilation fans aren t worth the hassle and could cause more problems than they solve.
The number one prep step.
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.
For inexpensive insulation fiberglass batts are recommended.
In either case get an extra bag or roll you really don t want to run out when you re almost done putting it in.
I would also ask for an estimate of the energy savings even if they are not willing to provide a guarantee.
Attic insulation that is less than r 19.