The core activity of Buchmüller GmbH encompasses the planning, installation, maintenance, and repair of heating, plumbing, and household technology systems, including the delivery and installation of household appliances. The specific activities include: Heating: planning, installation, and service for gas heating systems, oil heating systems, wood-fired heating systems, and alternative heat generation; Plumbing: planning, installation, and repair of plumbing installations and devices, including faucets, boilers, and water softening systems; Household technology: delivery, installation, and maintenance of household appliances such as kitchen electrical appliances, washing machines, and dryers. Additionally, the company offers emergency services for water damage and bathroom renovations.