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

https://israelkwpc846.lumenforgex.com/posts/why-you-need-to-clean-your-crawl-space-right-now

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.