How Efficient Are Fireplace Inserts

The closed combustion system of a fireplace insert can be 60-80% efficient. Fireplace inserts can use a variety of fuels: Natural Gas.

Are fireplace inserts better?

Is a fireplace insert worth it? Fireplace inserts are an excellent way to increase the efficiency of an existing fireplace either by encasing the wood burning in a smaller space designed to direct heat into your room, or by replacing the heat production with a more efficient source such as gas or electricity.

How efficient are gas fireplace inserts?

Lots of heat: A good gas insert will carry an efficiency rating of 65 percent to as high as 90 percent. That means much more heat will get into your home during use. (Masonry fireplaces often rate at 10 to 20 percent efficiency.)