Coffee in briquettes vs. Real wood

I've been making briquettes for nearly 10 years now. And with the passage of time the costs of heating a home has risen massively.

I'd seen that the Coffee waste was getting used in gardens. But as a fuel..

. In my latest video I'm burning a Coffee/Wood dust mix. 

Just how well does it burn? And compared to a piece of Wood?

watch the video

Let me know what you think in the comments below the video.

All the best

Jamie