Overview

• ZDFheute updated its consumer guide on September 27 with step‑by‑step instructions for bleeding radiators and checking system pressure to restore efficiency.
• The guide urges optimizing the heating curve because factory settings often run too hot, with initial setup best done at low outdoor temperatures and, if needed, with a professional.
• It explains thermostat ranges and recommends night setback for oil and gas systems but not for heat pumps, where lowering temperatures can reduce efficiency.
• For unevenly warming rooms or persistent flow noises, the article advises a professional hydraulic balance to distribute heat correctly across radiators.
• Complementary tips reported by local outlets include regular shock ventilation, better sealing and use of curtains or shutters, with an expert addressing the long‑circulating claim about leaving heating on all day.