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Lower heating costs, greater comfort

Old windows are one of the biggest weak points in a house when it comes to energy loss. If you switch to modern Salamander windows as part of a renovation, you will noticeably reduce heat loss and permanently lower your heating costs. At the same time, your living comfort will increase thanks to better insulation values and a more balanced indoor climate.



With our energy saving calculator, you can quickly and easily find out what potential your home has.

That's why it's worth replacing your windows

A simple, minimalist clock icon with a circular outline and two hands indicating 3 o'clock, set against a plain white background.Time for a change


Windows have a lifespan of 20 to 40 years. If you still have single glazing or old double glazing, you are losing heat to the outside every day — this is noticeable in the form of cold drafts and fogged-up windows.


A grayscale grid with four square sections, divided by thick dark lines on a light background.Noticeably lower heating costs


Outdated windows can be responsible for up to 25 percent of heat loss in a house. Modern windows with a low U-value significantly reduce heating requirements and thus pay for themselves over the years.


Icon of two hands shaking, symbolizing agreement or partnership, depicted in a simple, bold line art style.Take advantage of subsidies

The government supports window replacement with subsidies and low-interest loans through KfW and BAFA.
Important: You must apply for the subsidy before starting the project.


Recycling symbol with three intertwined arrows forming a triangle, representing sustainability and environmental conservation.

Good for the climate


Less heating energy means lower CO₂ emissions. With new windows, you can make a tangible contribution to climate protection while also protecting yourself from rising CO₂ prices.

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Subsidies through choosing the right windows

Choosing the right windows can make you eligible for government subsidy programs, providing additional financial security for your investment.



  • Eligible if technical requirements are met

  • Government support for energy-efficient renovations

  • Lower operating costs in the long term



High-quality window systems even meet the demanding requirements of the passiveHouse standard, making a significant contribution to maximum energy efficiency.
Our bluEvolution82 window combines modern technology with maximum energy efficiency and is therefore passiveHouse certified. Our greenEvolution window is also passive house compatible.

LEARN MORE ABOUT PASSIVEHOUSE_WINDOWS