HJM Oil filled radiator

HJM is a well-established Spanish brand specializing in domestic heating solutions. Founded in the 1970s, the company has built a reputation for designing and manufacturing efficient heating systems, including oil-filled radiators like the Model 813 shown.

The brand's origin and core operations are centered in Asturias, Spain, where Hermanos Julián M. (HJM) maintains its production facilities. While some components may be sourced globally, the brand is strongly associated with Spanish industrial manufacturing. It remains an independent family-founded company known for its durable home climate control products.