technicians handle scheduled maintenance, emergency call-outs, and warranty and non-warranty repairs, including Bosch-branded heating devices. Ahjuservice also offers system setup and optimization to adjust boiler parameters and heating regimes. In addition, it provides consultation on the design and selection of heating systems and fuel types, helping customers choose appropriate boilers and configurations. The company supports clients with guidance on heating system operation, safety practices, and ongoing upkeep so that installed systems remain functional over their service life.