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Financing Energy Renovation in HOAs: Challenges and Solutions

Nearly 90 percent of property management companies consider their HOAs' reserve funds insufficient. How can homeowners' associations still finance necessary renovations?

Maximilian Schaper
December 10, 2025
7 min read

Introduction


The energy renovation of the existing building stock is one of the central challenges of our time. For homeowners' associations (WEGs/HOAs), a crucial question arises: How can the necessary measures be financed? Current surveys show that the reserve funds of many associations are insufficient. This article examines the situation and outlines possible solutions. Our HOA management guides you through the entire process.


The Current Situation: Insufficient Reserve Funds


A recent industry survey by VDIV Deutschland (the German Association of Real Estate Managers) paints a sobering picture: Nearly 90 percent of the property management companies surveyed consider their HOAs' reserve funds insufficient to finance energy renovations from their own resources. At the same time, only about 16 percent of management companies have adequate staffing capacity for planning and overseeing such projects.


These figures make clear: The challenge is not purely financial in nature. There is a shortage of resources at every level -- from liquidity to professional support.


Why Financing Is So Difficult


Heterogeneous Ownership Structures


In an HOA, different financial capabilities and interests converge. While some owners can easily bear investments, they represent a significant burden for others. Achieving the necessary majority for costly renovation measures becomes correspondingly more difficult.


Rising Construction Costs


Construction costs have risen significantly in recent years. What could have been accomplished with a moderate special assessment five years ago now frequently requires much higher amounts. Many associations have not adjusted their reserve funds accordingly.


Complex Subsidy Landscape


While subsidy programs for energy renovations do exist, applying for them is complex. Requirements change regularly, and available funds are limited. Without professional guidance, subsidy opportunities often go unused.


Financing Options at a Glance


Increasing the Maintenance Reserve


The classic approach: A forward-looking increase of the monthly reserve contribution creates long-term financial flexibility. However, this requires early resolutions and patience.


Special Assessments


For urgent measures, special assessments (Sonderumlagen) can be resolved. They place an immediate burden on owners and require appropriate majorities. For larger amounts, installment payments should be offered.


Loan Financing by the HOA


Since the WEG reform of 2020, homeowners' associations can in principle take out loans. The hurdles, however, are high: A majority of at least two-thirds of votes cast is required, and all owners are jointly and severally liable. Moreover, many banks do not offer suitable products for HOAs.


KfW Subsidy Programs


The KfW development bank (Kreditanstalt fuer Wiederaufbau) offers low-interest loans and grants for energy renovations. However, the programs are only partly practical for HOAs. VDIV Deutschland has called on KfW to further develop its financing offerings.


Contracting Models


In contracting arrangements, an external service provider assumes the investment and refinances itself through energy savings. This model can be attractive for certain measures such as heating modernizations but requires careful contractual design.


Practical Recommendations


Long-Term Maintenance Planning


Develop a multi-year maintenance plan that captures foreseeable renovation needs. This serves as the basis for calculating the reserve fund according to actual requirements.


Early Owner Communication


Inform owners early about upcoming measures and their estimated costs. Those who are prepared can plan their finances accordingly.


Professional Energy Consulting


A qualified energy consultant can identify which measures deliver the greatest benefit and which subsidies may apply. The cost of the consultation is often subsidized.


Phased Approach


Not all measures need to be implemented simultaneously. Sensible prioritization can spread the financial burden across several years.


Conclusion


Financing energy renovations poses significant challenges for HOAs. Insufficient reserve funds, heterogeneous ownership structures, and a complex subsidy landscape complicate implementation. Nevertheless, solutions exist: Through forward-looking planning, professional guidance, and the use of available instruments, even larger renovation projects can be realized.


As a property management company, we support our clients in developing viable financing concepts and guide them through the entire process.


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*This article is for general informational purposes and does not constitute individual financial advice.*

HOARenovationFinancingEnergy EfficiencyReserve Fund
Maximilian Schaper

Maximilian Schaper

Geschäftsführer at Verto GmbH

Maximilian Schaper ist Geschäftsführer der Verto GmbH und verfügt über mehrjährige Erfahrung in der digitalen Transformation der Immobilienverwaltung. Er setzt sich für transparente, effiziente und rechtssichere Verwaltungsprozesse ein.

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