The core activity of Birs Haustechnik is the provision of sanitary and building technology services, including: Sanitary repairs and new installations (e.g. toilet cisterns, sinks, toilet systems, water taps); Maintenance and cleaning of sanitary installations (e.g. water pipes, bathtub drains, toilet cisterns); Boiler and filter service (e.g. decalcification, thorough boiler cleaning, replacement of outdated systems); Water damage emergency service; Drain cleaning; Heat pump service. The company thus offers a wide range of services in the field of sanitary and building technology.