Minimal Heat coming out of my Fireplace

hey everyone.

I moved into a house with a Bis 1 wood burning stove. It's ~25 years old but was supposed to be pretty efficient. It doesn't give off a lot of heat :( I was wondering if there was something I could do differently?

there are two vents on the side about 6 feet up where heat is supposed to escape. it does warm a tiny bit but not enough to even nudge the temperature up. and almost no heat comes out the front. dunno where it goes ! :) out the chimney I suppose.

I have tried all kinds of configurations in terms of more wood, allowing more air in, etc.

If I open the doors to the stove, we feel more heat out the front - so I was thinking of getting a screen and just running it with the doors open?

(I got a high level inspection with camera and everything is ok)

thank you for any suggestions with this.

https://preview.redd.it/gkorqf3mtjdg1.jpg?width=1536&format=pjpg&auto=webp&s=4c7e43fb1923d101a2991578b48a719001a6010b

https://preview.redd.it/vizfag3mtjdg1.jpg?width=1536&format=pjpg&auto=webp&s=75de308ab4ad37a14544c0d968a9d78b8e3a3718

Posted Jan 15, 2026, 5:32 PM UTC

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