Do you know the exact age of your heating system? This would be very useful after the new Building Energy Act comes into force, because many house and flat owners are already obliged to replace their heating boiler. 

According to a recent survey, 69 percent of house and flat owners in Germany know the age of their heating system to the year. A quarter or 24 percent of those surveyed only know the approximate age and five percent do not know it at all. Anyone who is now alarmed can make sure: The age is written on the type plate on the boiler.

It usually makes sense to change the heating system when it is twenty years old, sometimes even earlier. A new system not only reduces future energy costs, but is currently also heavily subsidised by the state. By switching to a climate-friendly, low-emission heating system, owners can save up to 45 percent of the costs - for example, with a gas hybrid heating system that integrates at least 25 percent renewable energy. But beware: the subsidies are only granted as long as the heating system replacement is not yet required by law. 

Anyone who has a heating system that is more than 15 years old should be prepared for a breakdown. In an emergency, it is possible that only the boiler would be replaced, and the chance of a new, low-emission system adapted to the demand and the building would then be lost for years. Energy advice and further information on the Building Energy Act is available from the Consumer Advice Centre. 

Which type of heat generation comes into question depends largely on the building, but also on the owner's attitude to climate protection. Modern, widespread types of heating today are pellet heating, heat pumps, solar thermal and district heating if the grid is in the street.

Photo: © Moses, Pixabay

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