Germany: Energy efficiency and heating maintenance tips

Homeowners in Germany are advised to adopt specific strategies to manage heating costs and maintain building safety. In older buildings, common energy-wasting mistakes include maintaining excessively high temperatures, constantly adjusting thermostats rather than keeping a steady temperature, and leaving doors open between rooms. To combat heat loss in high-ceilinged rooms, using a ceiling fan can help distribute warmth more effectively.

Regarding ventilation, experts and the Umweltbundesamt recommend short, intensive periods of shock or cross-ventilation—opening windows fully for 5 to 10 minutes—rather than leaving windows tilted (on 'kipp'), which leads to continuous heat loss and potential moisture issues. For new or renovated buildings, adherence to DIN 1946-6 ventilation concepts is emphasized.

Additionally, owners of oil heating systems must monitor for signs of tank degradation to prevent environmental damage and personal liability. Warning signs include discoloration of tank walls, material brittleness, geometric deformations such as 'elephant feet' at the base, or sagging tank roofs. Regular self-monitoring of the tank and its containment tray is required to ensure safety and compliance with environmental regulations.