BioPack is a compact, High efficiency boiler with large furnace volume, performing extremely well with Biomass / Agro-waste fuels. F E A T U R E S: - Tall furnace increases the residence time of flue gases allowing the fuel to power completely. - Variable frequency speed fuel feeders allows percent control of fuel feeding. - High pressure secondary airjets located at multiple levels in the furnace ensuring turbulence and good mixture of volatile in the fuel with air for complete combustion. - Automatic screw or hydraulic pusher feeder systems.