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Heating Replacement Checklist 2026.
The 5 most common mistakes that cost money and funding – and how to avoid them in practice.
Understand what matters in 15 minutes.
For many owners, replacing the heating system is the biggest investment of the coming years. At the same time, substantial public funding goes unused – because requirements are not met or mistakes are made in the application process.
What you will take away from the checklist
No view of the whole system
Why do heating systems fail when the building is not taken into account?
Rule of thumb instead of calculation
What problems arise when a system is sized incorrectly?
Balancing on paper only
Why does hydraulic balancing often not work in practice?
Technology by gut feeling
What is lost when no comparison of options is carried out?
Hot water forgotten
Which mistakes happen when actual demand is overlooked?
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- Focused on relevant technical content
- Created by BLuEngineering – engineering consultancy for building services and energy efficiency