For more than 25 years, Hyfra Industriekühlanlagen GmbH has been a renowned manufacturer in the field of industrial process cooling. We have been affiliated with Lennox International Incorporated since 1997 Lennox is a w......For more than 25 years, Hyfra Industriekühlanlagen GmbH has been a renowned manufacturer in the field of industrial process cooling. We have been affiliated with Lennox International Incorporated since 1997 Lennox is a worldwide leading provider of climate control solutions for heating, air conditioning, commercial and industrial refrigeration with more than 18,000 employees. At our Headquarters in Krunkel, Germany – centrally located between Cologne and Frankfurt – 140 employees develop and produce cooling systems for a broad spectrum of industrial, commercial and medical applications. Fast, reliable, economical.