Flexible heaters, having extremely reduced thickness, guarantee a perfect adhesion allowing a high thermal exchange ensuring a homogeneous distribution of heat over the whole contact surface. Are easily applied by an adhesive film, or can be installed using fixing plates. The possible applications are limitless providing solutions for both research and industry. The flexible heaters are available in various sizes and can also be customized in three different types of insulation, kapton, silicone and polyester that give different thermal performance.