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

https://johnnymvnk630.rivetgarden.com/posts/signs-you-have-mice-in-your-crawl-space-2

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.