Knowledge hub
Insulation advice & knowledge hub
Everything you want to know about insulation, saving energy and subsidies — clearly explained by our specialists, so you can make the right choice with confidence.
- Practical guidance on each measure
- Up-to-date information on subsidies
- Tips to avoid mistakes and energy loss
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Theme 1
Subsidies and financing
Discover which schemes are available and how you can make insulation affordable.
Subsidies and financing
Insulation subsidy 2026: all the options at a glance
An overview of national and local insulation subsidies.
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Money back on insulation: how the ISDE subsidy works
What the ISDE subsidy covers and how to apply.
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Municipal insulation subsidy: extra savings
How municipal schemes increase your savings.
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Insulation with monthly payments
Make energy-efficiency improvements without a large upfront investment.
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Insulation payback period: a smart investment
How quickly does insulation pay for itself?
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Theme 2
Insulation measures
Practical guidance on each measure: the benefits and what to look out for.
Insulation measures
Roof insulation: a smart start at the top
Why roof insulation often delivers the greatest savings.
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Save energy with HR++ glazing: how it works
How insulating glass reduces heat loss.
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Floor insulation: save energy and make your home more comfortable
Less cold from below and a lower energy bill.
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Floor insulation: warmer feet, lower bills
Floor insulation and the associated subsidy.
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Bio-based insulation material: sustainable insulation
Insulating with natural materials.
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Theme 3
Understand your home better
Identify energy loss and avoid mistakes before you insulate.
Understand your home better
What is heat loss in a home?
Where your home loses heat and what you can do about it.
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How can you tell if your home is poorly insulated?
Signs of inadequate insulation.
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Avoiding common insulation mistakes
This helps you avoid damp, gaps and disappointment.
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Crawl space insulation: how it works
Floor insulation with EPS-parels against cold and moisture from below.
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Glass wool insulation in the cavity wall
Why we insulate cavity walls with glass wool.
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UF foam in the cavity wall: what you need to know
Disadvantages of UF foam and the comparison with glass wool.
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How long does insulation last?
The lifespan of different insulation materials.
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Saving energy and reducing CO₂: lower emissions and costs
The link between energy savings and emissions.
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How insulation helps the environment
The environmental benefits of a well-insulated home.
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Categories
Articles by category
Greener living and sustainability
Home insulation
- Improving your energy label explained
- Choosing a good insulation company: what should you look for?
- How to apply for the ISDE insulation subsidy
- Insulating your home yourself: what can you do now?
- Roof insulation: a smart start at the top
- How long does insulation last?
- Save energy with HR++ glazing: how it works
- Avoiding common insulation mistakes
- Floor insulation: save energy and improve comfort
- Floor insulation: warmer feet, lower bills
- What is heat loss in a home?
- How can you tell if your home is poorly insulated?
- Crawl space insulation: how it works
- Glass wool insulation in the cavity wall
- UF foam in the cavity wall: what you need to know
Subsidies and saving money
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