If you’ve been researching fireplaces, you’ve probably seen the term direct vent.
Direct vent is one of the most common types of modern fireplace venting systems.
A direct vent fireplace is a sealed system that uses an intake and an exhaust in the same vent.
One pulls fresh air from outside for combustion.
The other exhausts combustion gases outside.
Because the fireplace is sealed from the room, it does not rely on indoor air to burn fuel.
Source:
Hearth, Patio & Barbecue Association
Direct vent fireplaces offer several advantages:
Because the system is sealed, it eliminates the use of indoor air being drawn into the fireplace and lost up the
chimney.
Direct vent fireplaces are very flexible.
They can vent:
This flexibility is one reason they are commonly installed in modern homes.
When installed correctly and maintained properly, direct vent fireplaces are designed to safely vent combustion
gases outside the home.
Proper installation and servicing are important.
Always follow manufacturer instructions and local building codes.
Source:
HPBA Safety Information
Confidence Level: High
Definition and operation widely documented by HPBA and manufacturers.
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