Stefan Ahlfeldt

Airsonett AB is a holding company that is engaged in the research and development of a non-pharmaceutical treatment for asthma. Its product Airsonett is based on temperature controlled Laminar Airflow technology that creates a radically reduced allergen exposure in the breathing zone for treatment of asthma, allergic rhinitis, and atopic eczema. The company was founded by Jan Tommy Lennart Hedberg, Jan Kristensson, and Dan Kristensson in 2000 and is headquartered in Ängelholm, Sweden.

Avidicare AB operates as a medical device company. It specializes in the management of airborne bacteria and virus pollution at hospitals. The firm provides Opragon, a ventilation system for reduction of airborne bacterial contamination in various hospital environments primarily for infection sensitive surgery. The company offers Opragon for preparation rooms, operating theaters, and hybrid rooms; and air curtains and external air showers. Avidicare was founded in 2010 and is headquartered in Lund, Sweden.