Maintaining a comfortable and healthy indoor environment is a top priority for many homeowners, and the topic of fireplace ventilation and its impact on attic humidity is often a source of concern.

As we delve into this intriguing subject, it's essential to understand the underlying mechanisms at play and separate fact from fiction.

The primary function of a direct vent fireplace is to safely expel combustion byproducts, such as smoke and carbon monoxide, outside the home.

This is typically achieved through a sealed, two-pipe system that draws in fresh air from the exterior and expels the exhaust. - https://ultimatefireplace.com/blog/does-a-direct-vent-fireplace-increase-moisture/?unique_id_1h5j33ie

"Attic Humidity and Fireplace Venting: Exploring the Relationship"