Design by Tomasz Tubisz HotBox is a modern bio fireplace insert. It can be easily install into an exisiting fireplace bringing its functionality back to life. Its modern electronics and sensors ensures the safety of the user. This bio fireplace brings the beauty of real dancing flames and is a perfect fit for both modern and traditional designs. Thanks to the HotBox accessories, you can easily create the classic look of a wood-burning fireplace and still enjoy advanced technology.