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2025 Heating Guidelines: Heat Smart, Ventilate Right, Save Energy

Heat smartly to save energy. Ventilate properly to keep your home healthy. Maintain your heating system for optimal performance.

In this picture I can a house, trees, plants, grille, vehicle and sky.
In this picture I can a house, trees, plants, grille, vehicle and sky.

2025 Heating Guidelines: Heat Smart, Ventilate Right, Save Energy

Co2online and Heizspiegel 2025 have released guidelines for energy-efficient heating in apartments by 2025. The key is to heat smartly, ventilate properly, and maintain your HVAC system.

Start heating early in poorly insulated homes to prevent cooling and humidity issues. In modern buildings, delay heating to save energy. Set your heating curve correctly for even heat distribution and avoid overheating.

Ventilate windows wide for 3-4 times a day, 5-10 minutes each time, to expel stale air quickly. Constantly switching the heating on and off, or 'cycling', leads to inefficiency and increased energy consumption. Keep radiators clear and ventilated for optimal heat flow.

For hot water-only heating during summer or long absences, use vacation or summer mode to save energy. Regularly bleed radiators to remove trapped air and improve efficiency. Warm air absorbs more moisture, so heating protects against mold and reduces costs, keeping your home warm and comfortable.

By 2025, follow these energy-efficient heating practices: heat smartly, ventilate properly, maintain your HVAC system, and use vacation or summer mode when needed. There's no fixed legal heating period, but living spaces should ideally reach around 20-22°C.

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