Consider something most people never hear about an open masonry fireplace: on balance, it makes your house less warm, not warmer. An open flue pulls conditioned air straight up and gone, and it keeps drawing even when the fire is out. A sealed unit closes that hole for good.As a leading fireplace retailer, we make the process simple and easy. The following covers efficiency.Sealed Changes EverythingThe key difference comes down to: containment. The appliance draw combustion air from the exterior and vents the same way, so not a bit of the conditioned air goes up the chimney. At the same time the unit radiate heat outward. The same opening that used to worked against you now produce heat.If you're after efficiency, atmosphere, or both, a gas insert for existing fireplace deliver. https://pad.funkwhale.audio/s/6_732EwnD Convert Your FireplaceTime to shop an insert? Whether you need gas or propane, a good selection guide you get it right.Reach out to our specialists now for the right unit. fireplace inserts for small fireplaces