Drafty attics can raise Escondido energy bills because air leaks weaken the barrier between attic

https://gregorylneu028.zenbloomer.com/posts/why-pest-control-fails-without-attic-air-sealing

Drafty attics can raise Escondido energy bills because air leaks weaken the barrier between attic and living space; sealing and insulating help reduce heating and cooling costs.