Profile: BMM Heaters Ltd. is a manufacturer of industrial and commercial air heating systems. We stock a wide range of products. Our HM range of heaters are efficient gas fired warm air heaters, and are standard stainless steel heat exchangers. There are various options of control on/off, high/low, and full modulating. This range is specifically designed for air handling units manufacturing sector. This range of products can be also installed directly into supply air duct work. Our BMG range heaters are highly efficient indirect fired gas and oil warm air heaters which can be duct mounted, or built into air handling units. Units are available in a very wide range of heat outputs, and are designed for high efficiency.