25 30 000 btu up to 1400 sq.
Chimney gas fireplace insert.
Your heating needs will determine what size fireplace insert you will need.
The sizes listed below are simply guidelines.
10 18 000 btu up to 800 sq.
Gas fireplace insert size.
You also need to consider heat loss construction type and air circulation when selecting your fireplace insert.
Fireplace chimney authority.
Both electric and gas fireplace inserts offer the ease of push button lighting.
A ventless insert doesn t even need a chimney to operate while wood burning models always require a flue to exhaust outside.
The fire remains enclosed in glass to seal off the fireplace chimney opening not allowing the cold air in or the warm air out.
Choose the right insert for you you ll want to consider several factors when shopping for an insert.
The gas insert requires two liners to operate.