Window renovation: How to properly save heating costs

Window renovation: How to properly save heating costs


When it comes to heating costs, many consumers literally throw their money out the window. Window renovation avoids the loss of valuable heat energy and thus saves money.

Heating costs are rising steadily. A less obvious reason for high energy costs are often obsolete windows. They let precious heat energy escape to the outside, while cold air gets inside. The resulting energy loss can be up to 30 percent of their total energy consumption for homeowners. To prevent this loss, you should think about replacing the windows every 20 years.

Low heat loss through multiple glazing

Basically, the thicker the window is glazed, the less energy can escape. Switching from single to triple glazed windows reduces heat loss by up to 75 percent. But not only the glazing, but also the other areas of modern window technology reduce the energy loss considerably. Stronger frames and more effective seals, as well as a high number of air chambers in plastic windows in combination with multiple glazing are a real brake on heating costs.

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The so-called U-value indicates the heat loss. This should be as low as possible. The energy balance of a window with a U-value below 1.0 is reasonable according to recent assumptions. Simple window glazing, especially in old buildings, sometimes have a U-value of up to 5.0 or higher. According to a recent study by TÜV Rheinland, modern triple-glazing achieves particularly good U-values ​​of up to 0.5.

Financing possibilities: use cleverly and reduce investment costs

Depending on the glass density, the costs for window replacement amount to approx 6,300 euros to about 8,700 euros. The window exchange is tax deductible: up to 1,200 € you can assert in the context of craft services in living rooms. In addition, the heating cost savings: With a double glazing saves the household so up to about 1,100 euros, with a triple glazing even up to 1,500 euros a year. With this trick, the investment costs can already be paid back within three or four years.

It is absolutely necessary to consult a specialist.

The window replacement itself should be carried out by a specialist. This is the only way to play it safe when sealing the new window. The replacement with the most modern windows is of no use if the gaskets are not properly sealed and heat energy escapes past the window frame.

The text was created with the kind assistance of Buyer Portal . If you do not want to directly hire a glazier, you will find up to three suitable window suppliers who create offers free of charge. This allows you to compare providers and prices. In the Buying Portal Ratgeber News you regularly receive tips and tricks on the topics of windows and renovation.

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Video: How to Increase Furnace Efficiency and Save Money on Heating/Cooling|

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