Infrafones, a Stockholm, Sweden-based maker of soot cleaning technology, has raised an equity funding of undisclosed amount.
Backers include Almi Invest and Coach & Capital.
The company intends to use the capital to expand in Europe.
Led by Mattias Nystrom, Infrafones has developed low frequency infrasound technology designed to help customers increase efficiency, availability and lifetime of industrial and marine boilers through optimization of soot cleaning. It has more than 1000 installations worldwide.