Replace Windows and Secure Funding: How Companies Can Make Optimal Use of the BEG

Old, leaky windows cost companies real money – day after day. The federal government supports replacement through the Federal Funding for Efficient Buildings (BEG). Those who act now not only permanently reduce energy costs but also benefit from attractive grants. This guide shows how B2B customers can cleverly plan window replacement and successfully apply for funding.

Table of Contents

• Why Window Replacement is Worthwhile for Companies
• What Requirements Apply for BEG Funding?
• How Window Renovation with Funding Works
• Suitable Products and Systems for Replacement
• Frequently Asked Questions About Funding and Implementation

Why Window Replacement is Worthwhile for Companies

In many commercial properties, the windows date back to the 80s or 90s. They neither meet today's energy requirements nor modern safety standards. Replacement can reduce heating costs by up to 20 percent – an investment that pays off quickly.

Thanks to BEG funding, up to 20 percent of renovation costs can be reimbursed if certain technical requirements are met. For companies, this means: increasing energy efficiency while preserving liquidity.

What Requirements Apply for BEG Funding?

For window replacement to be eligible for funding, the new elements must meet certain criteria. The most important are:

• Heat transfer coefficient (Uw value) of max. 0.95 W/(m²K)
• Installation by a professional company
• Integration into an individual renovation concept (iSFP optional, but advantageous)

Only applications submitted before the start of the measure are eligible for funding. The application is submitted via BAFA or for complete renovations via KfW.

How Window Renovation with Funding Works

1. Obtain energy consultation and determine renovation needs
2. Apply for funding via BAFA
3. Select offer and professional company
4. Have window replacement carried out
5. Receive funding after completion

Important: The application must be submitted before the conclusion of the supply or service contract. Without formal confirmation, no funding is possible.

Suitable Products and Systems for Replacement

When selecting suitable windows, energy efficiency, burglary protection, and durability play a central role. Proven are plastic windows with multi-chamber profiles, multi-point locking, and thermal insulation glazing.

Appropriate security and fitting technology – such as multi-point locks – enhance protection and improve the locking behavior of large window areas. Those who also opt for lockable window handles simultaneously meet higher requirements for burglary resistance.

Recommended brand products such as those from Hoppe or Maco are available through tooler.eu/en and provide the necessary quality for funded modernization projects.

Frequently Asked Questions About Funding and Implementation

How much funding is possible for window replacement?
Depending on the measure and the presence of an individual renovation roadmap (iSFP), up to 20 percent subsidy can be applied for through the BEG individual measures program.

Must the window replacement be carried out by a professional company?
Yes. Only through professional execution by a company according to EnEV guidelines is funding granted.

How long does window replacement take in commercial properties?
This depends on the scope and size of the property. Generally, the work can be completed per building section within 1 to 3 days without completely interrupting operations.

Can only part of the windows be replaced?
Yes, however, maximum funding is only granted if the measure is energetically sensible. Partial measures should be planned in the context of comprehensive energy consultation.

What documents are required for the funding application?
An offer from the professional company, technical product data, proof of the heat transfer coefficient, optionally an iSFP, and the completed forms from BAFA.

Conclusion

Replacing outdated windows is a worthwhile investment – especially for commercial properties with high energy demand. Through BEG funding, companies save twice: on the investment and long-term on operating costs. Those who know the technical requirements, plan carefully, and apply for funding early benefit from financial relief and modern building technology.

The suitable building fittings and window solutions for your renovation project can be found directly in the online shop of tooler.eu/en.