The HHB gas/propane heater has become synonymous with quality in the world of heating. This direct-fired heater with open combustion enables heating as well as dosing CO2. This heater has proven itself thanks to its continuous development. This high-quality and very efficient air heater combines over 40 years’ expertise and experience. And not unimportant for you as a business, it’s also very good value in terms of its price to performance ratio.