Attic insulation with improper R-value will waste energy and money and cause unwanted heat loss and gain.
Energy.gov lists attics as the #1 priority for replacing or upgrading insulation.
There are ways to determine if you have enough insulation or should add.
The Department of Energy estimates that a properly insulated attic can shave 10 to 50 percent off your heating bill. And it works the opposite way for warm climates; in summer, it helps stabilize your house's indoor temps to keep cooling needs in check.
Evaluate the current condition
Before adding insulation, evaluate the condition of the attic, Heritage can be of assistance and evaluate the condition of your attic. Wet or damp insulation and moldy or rotted rafters may be indicative of moisture problems, potentially stemming from a roof leak, which should be addressed before installing insulation.
Heritage your CT insulation Pros can