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Anatomy

Damper

The valve that opens/closes the flue.

All glossary terms

What is Damper?

A metal plate or valve that opens to release smoke while you burn and closes to seal the flue between fires. It comes in two types, the traditional throat damper above the firebox and the modern top damper at the very top, which seals far better and saves 30%+ on heat loss.

Related terms:FlueTop-Sealing Damper

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Active leak, animal in flue, post-fire damage, or smoke event? Real humans on the line 7 AM to 12 AM every day — replies in under 2 minutes. Tech dispatch within 2 hours during business hours, subject to crew availability after-hours.

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