The core activity of Chr. Balmer is the provision of services and works in the field of building technology, particularly in the areas of: heating (planning, installation, repair and maintenance), plumbing (planning, installation, repair and maintenance), sheet metal work (metal work, lightning protection), chimney construction (planning, installation, repair and maintenance), and water supply (planning, installation, repair and maintenance). The company also offers consulting and planning services for renovation and new construction projects as well as refurbishments.