front page Our services Jobs References Contact information Indoor air services latest news CLEANING OF VENTILATION DUCTS The highest, AAA credit rating for serial metal Recognition for serial metal in occupational safety matters! RALA qualification for serial metal For better climate change “Decades of experience in ventilation contracting” Sarjametalli Oy is an air conditioning company founded in 1972. We operate in the western Uusimaa and Helsinki metropolitan area. We do all ventilation work with iron professionalism. Every year, we contract the ventilation of several hundred apartments in the Helsinki Metropolitan Area, in addition to which we are constantly carrying out renovation, expansion and new projects for schools and other public buildings. Our professional installers and work management have decades of experience in ventilation contracting and we know exactly how to implement a modern, energy efficient and high quality air conditioning system that guarantees a comfortable and healthy indoor air. Serial metal building technology © 2017. All rights reserved.