Wood, coal, peat & briquette Burn boiler, 15K to 95K BTU. Made in Europe 2. The Boiler Stove burns any kind of manual feed biomass such as wood, coal, woodchips, peat briquette and much more. Simple and efficient UNI is our most cost-effective biomass boiler. Large firebox and power modulation from 30% to 100%, optimized […]